Power Electronics, Electronic Devices, Semiconductor, Diamond, Widegap Semiconductor
Education
1985/03, Graduated
1990/03, Doctor Course, Accomplished credits for doctoral program
Employment Experience
1990/04 - 2000/09
2000/10 - 2011/09
2001/01 - 2001/12 Part-time Lecturer
2002/07 - 2003/07
2003/01 - 2003/12 Part-time Lecturer
2003/01 - 2003/12 Part-time Lecturer
2005/04 - 2007/03
2007/02 - 2007/03
2007/07 - 2011/01
2010/04 - 2012/03 Part-time Lecturer
2011/03 - 2011/03 Part-time researcher for university or other academic organization
2011/10 - * Professor, Electrical and Electronic Engineering, Graduate School of Science and Engineering, Saga University
2013/04 - 2014/03 Saga University
2013/04 - 2014/03 Saga University
2015/04 - 2017/03
2016/05 - 2020/03
2019/04 - * Professor, Institute of Ocean Energy, Saga University
2019/04 - * Course Head of Electronic Devices, Saga University
Field of Specialization
Electron device/Electronic equipment, Electronic materials/Electric materials, Crystal engineering, Thin film/Surface and interfacial physical properties
Membership in Academic Societies
The Japan Society of Vacuum Surface Science
Awards
NTT物性研所長表彰業績賞 (2001/02)
電子材料シンポジウム(EMS)アワード (2001/07)
NTT先端総研所長表彰業績賞 (2003/02)
NTT物性研所長表彰業績賞 (2004/02)
NTT先端総研所長表彰報道特別賞 (2004/02)
NTT先端総研所長報道特別賞 (2005/02)
NTT物性研所長表彰業績賞 (2005/02)
NTT技術誌Technical Review論文賞 (2007/02)
日本結晶成長学会 論文賞 (2010/07)
表面科学会フェロー (2016/05)
応用物理学会フェロー (2016/09)
APEX JJAP 編集貢献賞 (2020/03)
Research Topics and Results
AC Stable (100 h) Operation of NO2 p-Type Doped Diamond MOSFETs 2023/10
1651-V All-ion-implanted Schottky Barrier Diode on Heteroepitaxial Diamond with 3.6×105 On/off Ratio 2023/09
Characterization of dislocation of halide vapor phase epitaxial (001) β-Ga2O3 by ultrahigh sensitive emission microscopy and synchrotron X-ray topography and its influence on Schottky barrier diodes 2023/09
Long Stress (190 h) Operation of NO2 p-Type Doped Diamond MOSFETs 2023/06
The improvement of Schottky barrier diodes fabricated only by B ion implantation doping accomplished by refinement of the electrode structure 2023/03
Fast Switching NO2-doped p-Channel Diamond MOSFETs 2023/03
Line-shaped defects: Origin of leakage current in halide vapor-phase epitaxial (001) β-Ga2O3 Schottky barrier diodes 2022/12
High Crystal Quality of Vertical Bridgman and Edge-defined Film-fed Growth-Grown β-Ga2O3 Bulk Crystal Investigated Using High-Resolution X-ray Diffraction and Synchrotron X-ray Topography 2022/12
Structural characterization of defects in EFG- and HVPE-grown -Ga2O3 crystals 2022/12
Growth of high-quality inch-diameter heteroepitaxial diamond layers on sapphire substrates in comparison to MgO substrates 2022/12
3326-V Modulation-Doped Diamond MOSFETs 2022/12
Initial growth mechanism of high-quality CVD diamond on Ir/sapphire substrate compared with Ir/MgO substrate 2022/12
Identification of dislocation responsible for leakage current in halide vapor phase epitaxial (001) β-Ga2O3 Schottky barrier diodes investigated via ultrahigh-sensitive emission microscopy and synchrotron X-ray topography 2022/12
3659 V 0.37 A/mm NO2-doped p-channel Diamond MOSFETs fabricated on diamond grown on misoriented sapphire substrates 2022/11
Growth process of high-quality 2-in-diameter CVD diamond on Ir/sapphire substrate compared with Ir/MgO substrate 2022/11
Recent progress of NO2 p-type doped diamond MOSFET and heteroepitaxial diamond wafer technologies 2022/11
Defects responsible for leakage current in β-Ga2O3 Schottky barrier diodes observed by ultrahigh sensitive emission microscopy and synchrotron X-ray topography 2022/11
Dislocation Responsible for Leakage Current in HVPE (001) β-Ga2O3 SBD Observed by Emission Microscopy and Synchrotron X-ray Topography 2022/10
High Quality Vertical Bridgman and Edge-Defined Film-Fed Growth β-Ga2O3 Bulk Crystal Investigated Using High-Resolution X-Ray Diffraction and Synchrotron X-Ray Topography 2022/10
Crystal Defects and Lattice Constants of High-Quality β-Ga2O3 Edge-Defined Film-Fed Grown Single Crystals Studied by Synchrotron X-ray Topography and High-Resolution X-Ray Diffractions 2022/10
Diamond Semiconductor; Inch‐Wafer Growth and Power FET Technologies 2022/09
145-MW/cm2 Heteroepitaxial Diamond MOSFETs With NO2 p-Type Doping and an Al2O3 Passivation Layer 2020/08
Origin of reverse leakage current path in edge-defined film-fed growth (001) β-Ga2O3 Schottky barrier diodes observed by high sensitive emission microscopy 2020/08
Temperature coefficient of the characteristic values of the charge-accumulation-type potential-induced-degraded n-type mono-crystalline silicon photovoltaic cell 2020/04
Diamond Semiconductor Technologies towards RF Power Applications 2019/11
高出力パワーデバイス応用に向けたGaN/Diamond直接接合の作製 2019/09
GaAs/Diamond直接接合の界面評価 2019/09
RF measurements and analysis for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds, 2019/09
RF characteristics for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds 2019/09
Relation between Emission Spots and Reverse Leakage Current in HVPE (001) β-Ga2O3 Schottky Barrier Diodes 2019/08
Synchrotron X-ray Topography Observation of Defects in Vertical-Bridgman-Grown β-Ga2O3 Single Crystal 2019/08
Heterointerfacial electronic properties and energy band alignment of Al2O3/Air/H-diamond heterointerface using XPS/XANES measurements 2019/05
RF characteristics for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds 2019/05
β-Ga2O3単結晶中の欠陥と電気的特性の相関 2019/05
β-Ga2O3結晶中の欠陥と電気的特性との関係 2019/05
Investigation of the power generation of organic photovoltaic modules connected to the power grid for more than three years 2019/04
Characterization of crystalline defects in β -Ga2O3 single crystals grown by edge-defined film-fed growth and halide vapor-phase epitaxy using synchrotron X-ray topography 2019/04
β-Ga2O3結晶中の欠陥とデバイス特性との関係 2019/04
Temperature dependence of potential-induced degraded p-type mono-crystalline silicon photovoltaic cell characteristics 2019/04
Output power behavior of passivated emitter and rear cell photovoltaic modules during early installation stage: influence of light-induced degradation 2019/04
NO2ドープダイヤモンドMOSFETの大電流(0.78 A / mm)、高電圧(618 V)動作 2019/03
Epitaxial lateral overgrowth alpha-GaO3 by Halide Vapor Epiaxy 2019/02
Stability of diamond Si bonding interface during device fabrication process 2019/01
Heterointerface properties of diamond MOS structures studied using capacitance–voltage and conductance–frequency measurements 2019/01
Improvement of the Al2O3NO2H-diamond MOS FET by using Au gate 2019/01
エレクトロニクス材料としてのダイヤモンド:エネルギー問題の解決を目指して 2018/11
Recent progress of diamond field-effect transistor technologies 2018/11
Crystal defects which relate with leakage current of HVPE (001) b-Ga2O3 Schottky barrier diodes 2018/11
The Interface properties of Al2O3/NO2/H-diamond in MOSFET structure studied by capacitance and conductance and synchrotron XPS/XANES measurements 2018/11
Diamond field-effect transistors for RF power applications 2018/10
Diamond field-effect transistors fabricated on high-quality heteroepitaxial diamond wafers treated by chemical mechanical polishing technology 2018/09
Energy band alignment of Al2O3/NO/H-diamond and Al2O3/SO2/H-diamond heterointerfaces determined by synchrotron XPS/UPS/XANES measurements 2018/09
Improvement of performance of NO2-doped H-diamond FET by using Au gate metal 2018/09
Temperature dependence measurements and performance analyses of high-efficiency interdigitated back-contact, passivated emitter and rear cell, and silicon heterojunction photovoltaic modules 2018/08
Dislocations in chemical vapor deposition (111) single crystal diamond observed by synchrotron X-ray topography and their relation with etch pits 2018/04
Band Alignment of Al2O3 Layer Deposited NO and SO2 2018/04
Reduction of dislocation densities in single crystal CVD diamond by confinement in the lateral sector 2018/03
Diamond field-effect transistors for RF power electronics: Novel NO2 hole doping and low-temperature deposited Al2O3 passivation 2017/01
Diamond Schottky Barrier Diodes With NO2 Exposed Surface and RF-DC Conversion Toward High Power Rectenna 2017/01
Relationship between crystal defects and leakage current in β-Ga2O3 Schottky barrier diodes 2016/12
Structural evaluation of defects in β-Ga2O3 single crystals grown by edge-defined film-fed growth process 2016/12
Origins of etch-pits in (010) β-Ga2O3 single crystals 2016/12
Recent Progress of Diamond Devices for RF Applications 2016/10
高温アニールによるダイヤモンド単結晶の積層欠陥の消滅 2016/09
イヤモンドデバイスを用いた無線電力伝送用レクテナの理論的検討 2016/09
酸化ガリウムダイオードを用いたレクテナ回路動作 2016/09
β-Ga2O3ショットキーバリアダイオードのリーク電流と結晶欠陥との関係 2016/09
β-Ga2O3 (010)単結晶のエッチピットの構造 2016/09
abrication of Diamond Rectenna Devices for RF Power Transmission 2016/09
Disappearance of stacking faults in single crystal diamond by thermal annealing 2016/09
Real –Time Measurement of Hole Doping by NO2 and SO2 Molecular Adsorption
on H-Terminated Diamond Surfaces 2016/09
Fabrication of diamond field-effect transistors with double NO2 hole doping and low-temperature-deposited Al2O3 gate insulator layer 2016/09
Determination of stacking faults in an (111) high pressure/high temperature (HP/HT) diamond single crystals with extremely low defect density via synchrotron X-ray topography 2016/09
Diamond epitaxy: basics and applications 2016/08
“Estimation method of solar cell temperature using meteorological data in mega solar power plant 2016/08
Formation of indium–tin oxide ohmic contacts for β-Ga2O3 2016/08
Diamond Devices for RF Applications 2016/08
Observation of nanometer-sized crystalline grooves in as-grown β-Ga2O3 single crystals 2016/04
Study on conduction mechanism in highly doped -Ga2O3 (-201) single crystals grown by edge-defined film-fed growth method and their Schottky barrier diodes 2016/04
“Study on capacitance–voltage characteristics of diamond field-effect transistors with NO2 hole doping and Al2O3 gate insulator layer 2016/04
Diamond FETs for RF Power Electronics; Novel Hole Doping 2016/03
Synchrotron X-ray topography observation of stacking faults in HPHT diamond single crystal 2016/03
Fabrication of Diamond Field-Effect Transistors with Various NO2 Hole-Doping Conditions and Al2O3 Gate Insulator Layers 2016/03
Study on Dislocations and Stacking faults and in High-Pressure High-Temperature Synthesized Type-IIa Diamond Single Crystals by Synchrotron X-ray Topography Observations 2016/03
Observation of Crystalline Pits in β-Ga2O3 As-Grown Single Crystals 2016/03
Study on capacitance–voltage characteristics of diamond field-effect transistors with NO2 hole doping and Al2O3 gate insulator layer 2016/02
Determination of the type of stacking faults in single-crystal high-purity diamond with a low dislocation density of < 50 cm−2 by synchrotron X-ray topography 2016/02
Observation of nanometer-sized crystalline grooves in as-grown β-Ga2O3 single crystals 2016/01
Study on conduction mechanism in highly doped -Ga2O3 (2̅ 0 1) single crystals grown by edge-defined film-fed growth method and their Schottky barrier diodes 2016/01
ダイヤモンド単結晶とSi単結晶基板の常温接合 2016
ダイヤモンドMOSFET界面研究の最近の進展 2015/12
NO2 分子吸着中における水素終端ダイヤモンド表面のホール濃度の測定 2015/12
b-Ga2O3ワイドギャップ半導体単結晶のエッチピットの構造 2015/12
Etch-Pit Observation of EFG-grown -Ga2O3 Single Crystals 2015/11
Fabrication of Schottky Barrier Diodes of EFG-grown Sn-doped b-Ga2O3 (-201) Single-Crystals 2015/11
Estimation Method of Solar Cell Temperature Using Meteorological Data in Mega Solar Power Plant, 2015/11
Estimation Method of Characteristic Parameters of Strings in Mega Solar Power Plant 2015/11
Diamond RF Power Transistors: Present Status and Challenges 2014/08
ダイヤモンドパワーデバイス研究の現状 2014/05
ダイヤモンドパワー素子技術 2014/05
Electronic states of NO2-exposed H-terminated diamond/Al2O3 heterointerface studied by synchrotron radiation photoemission and X-ray absorption spectroscop 2014/04
Maximum hole concentration for Hydrogen-terminated diamond surfaces with various surface orientations obtained by exposure to highly concentrated NO 2 2013/10
Carrier Gas Dependent Evaporation Energy of GaN Estimated from Spiral Growth Rates in Selective-Area Metalorganic Vapor Phase Epitaxy 2013/09
パワー半導体ダイヤモンド単結晶の放射光X線トポグラフィ観察 2013/07
ダイヤモンドデバイスのスマートフォン・タッチパネル向けデバイスへの応用の可能性 2013/04
高温高圧合成ダイヤモンド単結晶のシンクロトロン光を用いたX線トポグラフィー観察 2013/03
極限遠紫外線LED研究開発 2013/02
Mechanism of hole doping into hydrogen terminated diamond by the adsorption of inorganic molecule 2013
ダイヤモンド結晶成長:パワーデバイス応用への現状と課題 2012/12
ワイドギャップ半導体の創製と光電子デバイスへの応用 2012/12
β-Ga2O3単結晶のシンクロトロン光を用いたX線トポグラフィー評価 2012/11
Epitaxial growth of AlGaN/GaN high-electron mobility transistor structure on diamond (111) surface 2012/10
AlN/GaN超格子を使ったAlGaN遠紫外発光ダイオードの高輝度化の検討 2012/10
Thermal stabilization of hole channel on H-terminated diamond surface by using atomic-layer-deposited AL 2O 3 overlayer and its electric properties 2012/10
Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices 2012/10
NO2及びO3吸着による水素終端ダイヤモンド表面での正孔生成 2012/10
究極のパワー半導体ダイヤモンド 2012/10
半導体気相成長での過飽和度とステップフロー・核形成 2012/09
Thermal Stabilization of H-Terminated Diamond Surface by Using Al2O3 Overlayer and its Stable and Improved Field-Effect Transistors 2012/09
Critical hole concentration for H-terminated diamond surfaces with various surface orientations obtained by high-concentrated NO2 exposure 2012/09
Single-crystalline nitride growth on diamond 2012/05
「ダイヤモンドパワーデバイスの開発・技術動向と応用及び今後の展開」 2012/05
Inorganic Molecular Hole Doping on H-terminated Diamond Surface; Critical Hole Concentration for Various Orientations and the First-Principle Calculations 2012/05
CVD 単結晶ダイヤモンドの異常成長粒子、転位、不純物ドーピングの機構 2012/04
窒化物半導体/ダイヤモンド ヘテロ構造: 結晶成長とデバイス応用」 2012/03
Al2O3パッシベーションにより熱的安定化した水素終端ダイヤモンドFET 2012/03
NO2吸着水素終端ダイヤモンド表面の熱的安定化と高温域の電気的特性 2012/03
気相成長表面における結晶成長機構 2012/01
“Thermal Stabilization of Hole Channel on H-Terminated Diamond Surface by Using Atomic-Layer-Deposited Al2O3 Overlayer and its Electric Properties” 2012
Growth and Device Properties of AlGaN/GaN High-Electron Mobility Transistors on a Diamond Substrate 2012
RF High-Power Operation of AlGaN/GaN HEMTs Epitaxially Grown on Diamond 2012
Electronic properties of H-terminated diamond during NO2 and O3 adsorption and desorption 2012
Thermally Stable Operation of H-Terminated Diamond FETs by NO2 Adsorption and Al2O3 Passivation 2012
Diamond Field-Effect Transistors with 1.3A/mm Drain Current Density by Al2O3 Passivation Layer 2012
AlN light-emitting diodes; 2006 ANNOUNCEMENT INFO.; Modern Wide Bandgap Semiconductors and Related Optoelectronic Devices
Springer-Verlag, Berlin AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
微傾斜面とエピタキシー; 2002 ANNOUNCEMENT INFO.; , 135-153 AUTHOR; Makoto Kasu
Original Articles
AC Stable (100 h) Operation of NO2 p-Type Doped Diamond MOSFETs; 2023/10 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 44, 1704 AUTHOR; Niloy Chandra Saha, Tomoki Shiratsuchi, Toshiyuki Oishi, M. Kas
1651-V All-ion-implanted Schottky Barrier Diode on Heteroepitaxial Diamond with 3.6×105 On/off Ratio; 2023/09 ANNOUNCEMENT INFO.; IEEE Electron Dev. Lett., 44, 293 AUTHOR; Niloy Chandra Saha , Yuya Irie, Yuhei Seki, Yasushi Hoshino, Jyoji Nakata, Seong-Woo Kim , Toshiyuki Oishi,
Characterization of dislocation of halide vapor phase epitaxial (001) β-Ga2O3 by ultrahigh sensitive emission microscopy and synchrotron X-ray topography and its influence on Schottky barrier diodes; 2023/09 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys, 62, SF1001 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata and Makoto Kasu
Long Stress (190 h) Operation of NO2 p-Type Doped Diamond MOSFETs; 2023/06 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 44, 975 AUTHOR; Niloy Chandra Saha, Tomoki Shiratsuchi, Seong-Woo Kim, Koji Koyama, Toshiyuki Oishi, M. Kasu
The improvement of Schottky barrier diodes fabricated only by B ion implantation doping accomplished by refinement of the electrode structure; 2023/03 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 62, 040902 AUTHOR; Yuhei Seki, Niloy Chandra Saha, Seiya Shigematsu, Yasushi HOSHINO, Jyoji Nakata, Toshiyuki Oishi and Makoto Kasu
Fast Switching NO2-doped p-Channel Diamond MOSFETs; 2023/03 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 44, 793 AUTHOR; Niloy Chandra Saha, Tomoki Shiratsuchi, Seong-Woo Kim, Koji Koyama, Toshiyuki Oishi, and Makoto Kasu
3659-V NO₂ p-Type Doped Diamond MOSFETs on Misoriented Heteroepitaxial Diamond Substrates; 2023/01 ANNOUNCEMENT INFO.; IEEE Electron Dev. Lett., 44, 112 AUTHOR; Niloy Chandra Saha; Seong-Woo Kim; Koji Koyama; Toshiyuki Oishi; Makoto Kasu
Line-shaped defects: Origin of leakage current in halide vapor-phase epitaxial (001) β-Ga2O3 Schottky barrier diodes; 2022/12 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 120, 122107 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, Toshiyuki Oishi, and Makoto Kasu
High Crystal Quality of Vertical Bridgman and Edge-defined Film-fed Growth-Grown β-Ga2O3 Bulk Crystal Investigated Using High-Resolution X-ray Diffraction and Synchrotron X-ray Topography; 2022/12 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 61, 055501 AUTHOR; Muhidul Islam Chaman, Keigo Hoshikawa, Sayleap Sdoeung, and Makoto Kasu
Structural characterization of defects in EFG- and HVPE-grown -Ga2O3 crystals; 2022/12 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 61, 050101 AUTHOR; Osamu Ueda, Makoto Kasu, Hirotaka Yamaguchi
875-MW/cm2 Low-Resistance NO2 p-type Doped Chemical Mechanical Planarized Diamond MOSFET; 2022/12 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 43, 5, 777 AUTHOR; N. C. Saha, S. -W. Kim, T. Oishi, and M. Kasu
Growth of high-quality inch-diameter heteroepitaxial diamond layers on sapphire substrates in comparison to MgO substrates; 2022/12 ANNOUNCEMENT INFO.; Diamond and Related Materials, 126, 109086 AUTHOR; M. Kasu, R. Takaya, S. –W. Kim
3326-V Modulation-Doped Diamond MOSFETs; 2022/12 ANNOUNCEMENT INFO.; IEEE Electron Dev. Lett., 43, 1303 AUTHOR; Niloy Chandra Saha , Seong-Woo Kim , Toshiyuki Oishi , and Makoto Kasu
Initial growth mechanism of high-quality CVD diamond on Ir/sapphire substrate compared with Ir/MgO substrate; 2022/12 ANNOUNCEMENT INFO.; Diamond and Related Materials, 128, 109287 AUTHOR; Makoto Kasu, Ryota Takaya, Ryo Masaki, and Seong-Woo Kim
Identification of dislocation responsible for leakage current in halide vapor phase epitaxial (001) β-Ga2O3 Schottky barrier diodes investigated via ultrahigh-sensitive emission microscopy and synchrotron X-ray topography; 2022/12 ANNOUNCEMENT INFO.; Appl. Phys. Express, 15, 111001 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Akito Kuramata, and Makoto Kasu
Probe-induced surface defects: Origin of leakage current in halide vapor-phase epitaxial (001) β-Ga2O3 Schottky barrier diodes; 2022/01 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 120, 092101 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, and Makoto Kasu
Fabrication of GaN/Diamond Heterointerface and Interfacial Chemical Bonding State for Highly Efficient Device Design; 2021/12 ANNOUNCEMENT INFO.; Adavanced Materials, 2104564 AUTHOR; Jianbo Liang, Ayaka Kobayashi, Yasuo Shimizu, Yutaka Ohno, Seong-Woo Kim, Koji Koyama, Makoto Kasu, Yasuyoshi Nagai, and Naoteru Shigekawa
Two-inch high-quality (001) diamond heteroepitaxial growth on sapphire (112 ̅0) misoriented substrate by step-flow mode; 2021/12 ANNOUNCEMENT INFO.; Applied Physics Express, 14, 115501 AUTHOR; Seong-Woo Kim, Ryota Takaya, Shintaro Hirano, and Makoto Kasu
Probe-induced surface defects: Origin of leakage current in halide vapor-phase epitaxial (001) β-Ga2O3 Schottky barrier diodes; 2021/12 ANNOUNCEMENT INFO.; Applied Physics Express, 14, 115501 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, and Makoto Kasu
Schottky barrier diodes fabricated on high-purity type-IIa CVD diamond substrates using an all-ion-implantation process; 2021/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics 60, 050903 (2021), 60, 050903 AUTHOR; Seiya Shigematsu, Toshiyuki Oishi, Yuhei Seki, Yasushi Hoshino, Jyoji Nakata, and Makoto Kasu
Stacking faults: Origin of leakage current in halide vapor phase epitaxial (001) β-Ga2O3 Schottky barrier diodes; 2021/04 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 118, 172106 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Satoshi Masuya, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, and Makoto Kasu
345-MW/cm2 2608-V NO2 p-type Doped Diamond MOSFETs with an Al2O3 Passivation Overlayer on Heteroepitaxial Diamond; 2021/04 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 42, 903-906 AUTHOR; Niloy Chandra Saha, Seong-Woo Kim, Toshiyuki Oishi, Yuki Kawamata, Koji Koyama, and Makoto Kasu
Fabrication of diamond modulation-doped FETs by NO2 delta doping in an Al2 O3 gate layer; 2021/04 ANNOUNCEMENT INFO.; Appl. Phys. Express 14, 051004 (2021)., 14, 051004 AUTHOR; Makoto Kasu, Niloy Chandra Saha, Toshiyuki Oishi, and Seong-Woo Kim
Polycrystalline defects—origin of leakage current—in halide vapor phase epitaxial (001) β-Ga2O3 Schottky barrier diodes identified via ultrahigh sensitive emission microscopy and synchrotron X-ray topography; 2021/01 ANNOUNCEMENT INFO.; Polycrystalline defects—origin of leakage current—in halide vapor phase epitaxial (001) β-Ga2O3 Schottky barrier diodes identified via ultrahigh sensitive emission microscopy and synchrotron X-ray topography, 14, 036502 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, and Makoto Kasu
Observation of nitrogen species at Al2O3/NO2/H-diamond interfaces by synchrotron radiation x-ray photoemission spectroscopy; 2020/10 ANNOUNCEMENT INFO.; , 128, 135702 AUTHOR; Niloy Chandra Saha, Kazutoshi Takahashi, Masaki Imamura, and Makoto Kasu
Growth of high-quality one-inch freestanding heteroepitaxial (001) diamond on (110) sapphire substrate; 2020/10 ANNOUNCEMENT INFO.; , 117, 202102 AUTHOR; Seong-Woo Kim, Yuki Kawamata, Ryota Takaya, Koji. Koyama, and Makoto Kasu
145-MW/cm2 Heteroepitaxial Diamond MOSFETs With NO2 p-Type Doping and an Al2O3 Passivation Layer; 2020/08 ANNOUNCEMENT INFO.; IEEE ELECTRON DEVICE LETTERS, 41, 1066 (2020)., 41, 1066 AUTHOR; Niloy Chandra Saha, Toshiyuki Oishi, Seongwoo Kim, Yuki Kawamata, Koji Koyama, and Makoto Kasu
Origin of reverse leakage current path in edge-defined film-fed growth (001) β-Ga2O3 Schottky barrier diodes observed by high sensitive emission microscopy; 2020/08 ANNOUNCEMENT INFO.; Appl. Phys. Lett. 117, 022106 (2020);, 117, 022106 AUTHOR; Sayleap Sdoeung , Kohei Sasaki , Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata , Toshiyuki Oishi , and Makoto Kasu
Temperature coefficient of the characteristic values of the charge-accumulation-type potential-induced-degraded n-type mono-crystalline silicon photovoltaic cell; 2020/04 ANNOUNCEMENT INFO.; Jpn. J. Applied Phys, 59, 051001 (2020)., 59, 051001 AUTHOR; Makoto Kasu, Jaffar Abdu, Shigeomi Hara, Sung-Woo Choi, Kinichi Ogawa, Yasuo Chiba, and Atsushi Masuda
Fabrication of diamond/Cu direct bonding interface for power device applications; 2020/01 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics 59, SBBB03 (2020), 59, SBBB03 AUTHOR; S. Kanda, Y. Shimizu, Y. Ohno, K. Shirasaki, Y. Nagai, M. Kasu, N. Shigekawa, and J. Liang
Characteristics change in organic photovoltaics by thermal recovery and photodegradation; 2020/01 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics 59, SCCD04 (2020), 59, SCCD04 AUTHOR; R. Sato, Y. Chiba, M. Chikamatsu, Y. Yoshida, T. Taima, M. Kasu, and A. Masuda
Characterization of Nanoscopic Cu/Diamond Interfaces Prepared by Surface-Activated Bonding: Implications for Thermal Management; 2020/01 ANNOUNCEMENT INFO.; Appl. Nano Materials 2020, 3, 3, 2455-2462, 3, 3, 2455 AUTHOR; J. Liang, Y. Ohno, Y. Yamashita, Y. Shimizu, S. Kanda, N. Kamiuchi, S-W Kim, K. Koyama, Y. Nagai, M. Kasu, and N. Shigekawa
Investigation of the power generation of organic photovoltaic modules connected to the power grid for more than three years; 2019/04 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 58, 05, 052001 AUTHOR; R. Sato, Y. Chiba, M. Chikamatsu, Y. Yoshida, T. Taima, M. Kasu, and A. Masuda,
Characterization of crystalline defects in β -Ga2O3 single crystals grown by edge-defined film-fed growth and halide vapor-phase epitaxy using synchrotron X-ray topography; 2019/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 58, 05, 055501 AUTHOR; S. Masuya, K. Sasaki, A. Kuramata, S. Yamakoshi, O. Ueda, and M. Kasu,
Temperature dependence of potential-induced degraded p-type mono-crystalline silicon photovoltaic cell characteristics; 2019/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics vol.58, pp.101005 (2019)., 58, 101005 AUTHOR; M. Kasu, J. Abdu, S. Hara, S. Choi, K. Ogawa, Y. Chiba, A. Masuda
Output power behavior of passivated emitter and rear cell photovoltaic modules during early installation stage: influence of light-induced degradation; 2019/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics vol.58, pp. 106510 (2019)., 58, 106510 AUTHOR; R. Sato, T. Ishii, S. Choi, Y. Chiba, M. Kasu, and A. Masuda
Epitaxial lateral overgrowth alpha-GaO3 by Halide Vapor Epiaxy; 2019/02 ANNOUNCEMENT INFO.; APL. Mater, 7, 022503 AUTHOR; Y. Oshima, K. Kawara, T. Shinohe, T. Hitora, M. Kasu, and S. Fujita
Stability of diamond Si bonding interface during device fabrication process; 2019/01 ANNOUNCEMENT INFO.; Applied Physics Express, 12, 01, 016501) AUTHOR; J. Liang, S. Masuya, S. –W. Kim, T. Oishi, M. Kasu, N. Shigekawa,
Heterointerface properties of diamond MOS structures studied using capacitance–voltage and conductance–frequency measurements; 2019/01 ANNOUNCEMENT INFO.; Diamond and Related Materials, 91, 219–224 AUTHOR; Niloy Chandra Saha, M. Kasu
Improvement of the Al2O3NO2H-diamond MOS FET by using Au gate; 2019/01 ANNOUNCEMENT INFO.; Diamond and Related Materials, 92, 81–85 AUTHOR; Niloy Chandra Saha, Makoto Kasu,
Temperature dependence measurements and performance analyses of high-efficiency interdigitated back-contact, passivated emitter and rear cell, and silicon heterojunction photovoltaic modules; 2018/08 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics 57,08RG18 (2018)., 57, 08., 08RG18 AUTHOR; M. Kasu, J. Abdu, S. Hara, Y. Chiba, A. Masuda,
Dislocations in chemical vapor deposition (111) single crystal diamond observed by synchrotron X-ray topography and their relation with etch pits; 2018/04 ANNOUNCEMENT INFO.; Diamond and Related Materials, 90, 40-46 AUTHOR; S. Masuya, M. Kasu,
Band Alignment of Al2O3 Layer Deposited NO and SO2; 2018/04 ANNOUNCEMENT INFO.; Phys. Status Solidi, A 2018, 18, 1800237 AUTHOR; Saha Niloy Chandra, M. Kasu
Reduction of dislocation densities in single crystal CVD diamond by confinement in the lateral sector; 2018/03 ANNOUNCEMENT INFO.; Diamond and Related Materials, 83, 162-169 AUTHOR; A. Boussadi, A. Tallaire, M. Kasu, J. Barjon, J. Achard,
Crystal defects observed by the etch-pit method and their effects on Schottky-barrier-diode characteristics on β-Ga2O3; 2017/09 ANNOUNCEMENT INFO.; apanese Journal of Applied Physics, 56, 091101 AUTHOR; M. Kasu, T. Oshima, K. Hanada, T. Moribayashi, A. Hashiguchi, T. Oishi, K. Koshi, K. Sasaki, A. Kuramata, and O. Ueda,
Carrier confinement observed at modulation-doped β-(AlxGa1-x)2O3/Ga2O3 heterojunction interface; 2017/05 ANNOUNCEMENT INFO.; , 10, 03, 035701. AUTHOR; T. Oshima, Y. Kato, N. Kawano, T. Oishi, M. Kasu
Epitaxial growth of γ-(Alx Ga1-x )O3 alloy films for band-gap engineering; 2017/05 ANNOUNCEMENT INFO.; Applied Physics Express 10, 051104 (2017)., 10, 05, 051104 AUTHOR; T. Oshima, Y. Kato, M. Oda, T. Hitora, M. Kasu
Formation of stacking fault and dislocation behavior during the high temperature annealing of single-crystal HPHT diamond”; 2017/04 ANNOUNCEMENT INFO.; Dia. Rel. Mater., 75, 155–160 AUTHOR; S. Masuya, K. Hanada, T. Oshima, H. Sumiya, M. Kasu,
Electrical properties of Schottky barrier diodes fabricated on (001) β-Ga2O3 substrates with crystal defects; 2017/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 56, 086501 AUTHOR; T. Oshima, A. Hashiguchi, T. Moribayashi, K. Koshi, K. Sasaki, A. Kuramata, O. Ueda, T. Oishi, and M. Kasu
Crystal defects observed by the etch-pit method and their effects on Schottky-barrier-diode characteristics on β-Ga2O3; 2017/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 56, 091101 AUTHOR; M. Kasu, T. Oshima, K. Hanada, T. Moribayashi, A. Hashiguchi, T. Oishi, K. Koshi, K. Sasaki, A. Kuramata, and O. Ueda
Diamond field-effect transistors for RF power electronics: Novel NO2 hole doping and low-temperature deposited Al2O3 passivation; 2017/01 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 56, 1, 01AA01 AUTHOR; Makoto Kasu
Diamond Schottky Barrier Diodes With NO2 Exposed Surface and RF-DC Conversion Toward High Power Rectenna; 2017/01 ANNOUNCEMENT INFO.; IEEE ELECTRON DEVICE LETTERS, 38, 1, 87 AUTHOR; Toshiyuki Oishi, Naoto Kawano, Satoshi Masuya, and Makoto Kasu
Relationship between crystal defects and leakage current in β-Ga2O3 Schottky barrier diodes; 2016/12 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 1202BB AUTHOR; M. Kasu, K. Hanada, T. Moribayashi, A. Hashiguchi, T. Oshima, T. Oishi, K. Koshi, K. Sasaki, A. Kuramata, and O. Ueda
Structural evaluation of defects in β-Ga2O3 single crystals grown by edge-defined film-fed growth process; 2016/12 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 1202BD AUTHOR; O. Ueda N. Ikenaga, K. Koshi, K. Iizuka, A. Kuramata, K. Hanada, T. Moribayashi, S. Yamakoshi, and M. Kasu
Origins of etch-pits in (010) β-Ga2O3 single crystals; 2016/12 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 1202BG AUTHOR; K Hanada, T. Moribayashi, K. Koshi, K. Sasaki, A. Kuramata, O. Ueda, and M. Kasu,
Diamond epitaxy: basics and applications; 2016/08 ANNOUNCEMENT INFO.; Progress in Crystal Growth and Characterization of Materials, 62, 317–328 AUTHOR; Makoto Kasu
“Estimation method of solar cell temperature using meteorological data in mega solar power plant; 2016/08 ANNOUNCEMENT INFO.; IEEE Journal of Photovoltaics, 6, 1255 AUTHOR; S. Hara, M. Kasu, and N. Matsui,
Formation of indium–tin oxide ohmic contacts for β-Ga2O3; 2016/08 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 1202B7 AUTHOR; Takayoshi Oshima, Ryo Wakabayashi, Mai Hattori, Akihiro Hashiguchi, Naoto Kawano, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Kohei Yoshimatsu, Akira Ohtomo, Toshiyuki Oishi and Makoto Kasu
Observation of nanometer-sized crystalline grooves in as-grown β-Ga2O3 single crystals; 2016/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 030303 AUTHOR; K. Hanada, T. Moribayashi, T. Uematsu, S. Masuya, K. Koshi, K. Sasaki, A. Kuramata, O. Ueda, and M. Kasu
Study on conduction mechanism in highly doped -Ga2O3 (-201) single crystals grown by edge-defined film-fed growth method and their Schottky barrier diodes; 2016/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 3, 030305 AUTHOR; T. Oishi, K. Harada, Y. Koga, and M. Kasu
“Study on capacitance–voltage characteristics of diamond field-effect transistors with NO2 hole doping and Al2O3 gate insulator layer; 2016/04 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 041301 AUTHOR; M. Kasu, K. Hirama, K. Harada, and T. Oishi,
Study on capacitance–voltage characteristics of diamond field-effect transistors with NO2 hole doping and Al2O3 gate insulator layer; 2016/02 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 4, 041301 AUTHOR; M. Kasu, K. Hirama, K. Harada, and T. Oishi
Determination of the type of stacking faults in single-crystal high-purity diamond with a low dislocation density of < 50 cm−2 by synchrotron X-ray topography; 2016/02 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 4, 040303 AUTHOR; S. Masuya, K. Hanada, T. Uematsu, T. Moribayashi, H. Sumiya, and M. Kasu,
Observation of nanometer-sized crystalline grooves in as-grown β-Ga2O3 single crystals; 2016/01 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 3, 030303 AUTHOR; Kenji Hanada, Tomoya Moribayashi, Takumi Uematsu, Satoshi Masuya, Kimiyoshi Koshi, Kohei Sasaki, Akito Kuramata, Osamu Ueda, and Makoto Kasu
Study on conduction mechanism in highly doped -Ga2O3 (2̅ 0 1) single crystals grown by edge-defined film-fed growth method and their Schottky barrier diodes; 2016/01 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 55, 3, 030305 AUTHOR; Toshiyuki Oishi, Kazuya Harada, Yuta Koga, and Makoto Kasu
High-mobility β-Ga2O3(-201) single crystals grown by edge-defined film-fed growth method and their Schottky barrier diodes with Ni contact; 2015/01 ANNOUNCEMENT INFO.; Applied Physics Express, 8, 3, 031101 AUTHOR; T. Oishi, Y. Koga, K. Harada, M. Kasu
Synchrotron X-ray topography of dislocations in high-pressure high-temperature-grown
single-crystal diamond with low dislocation density; 2014/11 ANNOUNCEMENT INFO.; Applied Physics Express, 7, 12, 125501-125501 AUTHOR; M. Kasu, R. Murakami, S. Masuya, K. Harada, and H. Sumiya
Electronic states of NO2-exposed H-terminated diamond/Al2O3 heterointerface studied by synchrotron radiation photoemission and X-ray absorption spectroscop; 2014/04 ANNOUNCEMENT INFO.; APPLIED PHYSICS LETTERS, 104, 7, 072101-072101 AUTHOR; K. Takahashi, M. Imamura, K. Hirama, and M. Kasu
Maximum hole concentration for Hydrogen-terminated diamond surfaces with various surface orientations obtained by exposure to highly concentrated NO 2; 2013/10 ANNOUNCEMENT INFO.; Diamond and Related Materials, 31, 47-49 AUTHOR; 佐藤、嘉数
Carrier Gas Dependent Evaporation Energy of GaN Estimated from Spiral Growth Rates in Selective-Area Metalorganic Vapor Phase Epitaxy; 2013/09 ANNOUNCEMENT INFO.; Appl. Phys. Express, 6, 105501 AUTHOR; T. Akasaka, Y. Kobayashi, M. Kasu, H. Yamamoto,
Mechanism of hole doping into hydrogen terminated diamond by the adsorption of inorganic molecule; 2013 ANNOUNCEMENT INFO.; Surface Science, 609, 203-206 AUTHOR; Y. Takagi, K. Shiraishi, Makoto Kasu, and H. Sato,
Epitaxial growth of AlGaN/GaN high-electron mobility transistor structure on diamond (111) surface; 2012/10 ANNOUNCEMENT INFO.; , 51, 090114 AUTHOR; 平間、谷保、嘉数
AlN/GaN超格子を使ったAlGaN遠紫外発光ダイオードの高輝度化の検討; 2012/10 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 51, 02BJ11 AUTHOR; K. Kamiya, Y. Ebihara, M. Kasu, K. Shiraishi
Thermal stabilization of hole channel on H-terminated diamond surface by using atomic-layer-deposited AL 2O 3 overlayer and its electric properties; 2012/10 ANNOUNCEMENT INFO.; Applied Physics Express, 5, 2, 025701 AUTHOR; 嘉数、佐藤、平間
Polarization property of deep-ultraviolet light emission from C-plane AlN/GaN short-period superlattices; 2012/10 ANNOUNCEMENT INFO.; Applied Physics Letters,, 99, 25, 251112 AUTHOR; Y. Taniyasu, M. Kasu
“Thermal Stabilization of Hole Channel on H-Terminated Diamond Surface by Using Atomic-Layer-Deposited Al2O3 Overlayer and its Electric Properties”; 2012 ANNOUNCEMENT INFO.; Appl. Phys. Express, 5, 025701-025701. AUTHOR; M. Kasu, H. Sato, and K. Hirama
Growth and Device Properties of AlGaN/GaN High-Electron Mobility Transistors on a Diamond Substrate; 2012 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 51, 01AG09- 01AG09 AUTHOR; K. Hirama, M. Kasu, and Y. Taniyasu,
RF High-Power Operation of AlGaN/GaN HEMTs Epitaxially Grown on Diamond; 2012 ANNOUNCEMENT INFO.; IEEE Electron Device Lett., 33, 513-515 AUTHOR; K. Hirama, M. Kasu, and Yoshitaka Taniyasu
Electronic properties of H-terminated diamond during NO2 and O3 adsorption and desorption; 2012 ANNOUNCEMENT INFO.; Diamond and Related Materials, 24, 99-103 AUTHOR; H. Sato and M. Kasu
Thermally Stable Operation of H-Terminated Diamond FETs by NO2 Adsorption and Al2O3 Passivation; 2012 ANNOUNCEMENT INFO.; IEEE Electron Device Lett., 33, 1111-1113 AUTHOR; K. Hirama, H. Sato, Y. Harada, and H. Yamamoto, and M. Kasu
Diamond Field-Effect Transistors with 1.3A/mm Drain Current Density by Al2O3 Passivation Layer; 2012 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 51, 090112-090112 AUTHOR; K. Hirama, H. Sato, Y. Harada, H. Yamamoto, and M. Kasu,
Electroluminescence and capacitance-voltage characteristics of singlecrystal n-type AlN (0001) /p-type diamond (111) heterojunction diodes; 2011 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 98, 011908 AUTHOR; K. Hirama, Y. Taniyasu, M. Kasu
“Structural design of AlN/GaN superlattices for deep-ultraviolet light-emitting diodes with high emission efficiency”,; 2011 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 2011, 151108-151108 AUTHOR; K. Kamiya, Y. Ebihara, K. Shiraishi, and M. Kasu,
Coherent coupling of a superconducting flux qubit to an electron spin ensemble in diamond; 2011 ANNOUNCEMENT INFO.; Nature, 478, 221-224 AUTHOR; Xiaobo Zhu, Shiro Saito, Alexander Kemp, Kosuke Kakuyanagi, Shin-ichi Karimoto, Hayato Nakano, William J. Munro, Yasuhiro Tokura, Mark S. Everitt Kae Nemoto, Makoto Kasu, Norikazu Mizuochi and Kouichi Semba,
Hexagonal AlN(0001) heteroepitaxial growth on cubic diamond (001); 2010 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 49, 04DH01 AUTHOR; K. Hirama, Y. Taniyasu, M. Kasu
High temperature operation of boron-implanted diamond field-effect transistors; 2010 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 49, 04DF16 AUTHOR; K. Ueda and M. Kasu
Electronic and surface properties of H-terminated diamond surface affected by NO2 gas; 2010 ANNOUNCEMENT INFO.; Diamond and Related Materials, 19, 889-893 AUTHOR; M. Kubovic, M. Kasu, H. Kageshima, F. Maeda,
Supersaturation in nucleus and spiral growth in metal organic vapor phase epitaxy; 2010 ANNOUNCEMENT INFO.; Appl. Phys. Lett, 94, 141902 AUTHOR; T. Akasaka, Y. Kobayashi, and M. Kasu
Sorption properties of NO2 gas and its strong influence on hole concentration of H-terminated diamond surfaces; 2010 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 96, 052101 AUTHOR; M. Kubovic, M. Kasu, H. Kageshima
Heterostructure growth of a single-crystal hexagonal AlN (0001) layer on cubic diamond (111) surface; 2010 ANNOUNCEMENT INFO.; J. Appl. Phys., 108, 013528 AUTHOR; K. Hirama, Y. Taniyasu, M. Kasu
Surface 210-nm light emission from AlN p-n junction light-emitting diode by A-plane growth orientation; 2010 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 96, 221110 AUTHOR; Y. Taniyasu and M. Kasu
Nucleus and spriral growth mechanisms of GaN studied by using selective-area metalorganic vapor phase epitaxy; 2010 ANNOUNCEMENT INFO.; Appl. Phys. Express, 3, 075602 AUTHOR; T. Akasaka, Y. Kobayashi, M. Kasu
Enhancement and stabilization of hole concentration of hydrogen-terminated diamond surface using ozone adsorbates; 2010 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 49, 110208 AUTHOR; M. Kubovic and M. Kasu
Arsenic-doped n-type diamond grown by microwave-assisted plasma chemical vapor deposition; 2010 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 49, 110209 AUTHOR; M. Kasu and M. Kubovic
Beryllium-doped single-crystal diamond grown by microwave plasma CVD; 2009 ANNOUNCEMENT INFO.; Diamond and Related Materials, 18, 121-123 AUTHOR; K. Ueda and M. Kasu
MOVPE growth of hexagonal aluminium nitride on cubic diamond; 2009 ANNOUNCEMENT INFO.; J. Crystal Growth, 311, 2825-2830 AUTHOR; Y. Taniyasu and M. Kasu
Low-temperature characteristics of the current gain of GaN/InGaN double heterojunction bipolar transistors; 2009 ANNOUNCEMENT INFO.; J. Crystal Growth, 311, 3000-3002 AUTHOR; A. Nishikawa, K. Kumakura, M. Kasu, and T. Makimoto
Molecular beam epitaxial growth of hexagonal boron nitride on Ni (111) substrate; 2009 ANNOUNCEMENT INFO.; J. Crystal Growth, 311, 3054-3057 AUTHOR; C. L. Tsai, Y. Kobayashi, T. Akasaka, and M. Kasu
Structural and electrical properties of hydrogen-terminated diamond field-effect transistor; 2009 ANNOUNCEMENT INFO.; Diamond and Related Materials, 18, 796-799 AUTHOR; M. Kubovic, M. Kasu, Y. Yamauchi, K. Ueda, and H. Kageshima
Identification of etch-pit crystallographic faces induced on diamond surface by H2/O2 etching plasma treatment; 2009 ANNOUNCEMENT INFO.; Phys. Status Solidi A, 206, 1949-1954 AUTHOR; J. Achard, F. Silva, O. Brinza, X. Bonnin, V. Lille., R. Issaoui, M. Kasu, A. Gicquel,
Improvement of hydrogen-terminated diamond FETs in nitrogen dioxide atmosphere; 2009 ANNOUNCEMENT INFO.; Appl. Phys. Express, 2, 086502 AUTHOR; M. Kubovic and M. Kasu
Origin of Schottky barrier modification by hydrogen on diamond; 2009 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 48, 111602 AUTHOR; H. Kageshima and M. Kasu
Photoluminescence of highly excited AlN: biexcitons and exciton-exciton scattering; 2009 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 95, 031903 AUTHOR; R. A. R. Leute, M. Feneberg, R. Sauer, K. Thonke, S. B. Thapa, F. Scholz, Y. Taniyasu, and M. Kasu
Step-free GaN hexagons grown by selective-area metalorganic vapor phase epitaxy; 2009 ANNOUNCEMENT INFO.; Appl. Phys. Express, 2, 091002 AUTHOR; T. Akasaka, Y. Kobayashi, M. Kasu
High-temperature (300 �C) operation of npn -type GaN/InGaN double heterojunction bipolar transistors; 2008/07 ANNOUNCEMENT INFO.; Physica Status Solidi (c), 5, 9, 2957-2959 AUTHOR; A. Nishikawa, K. Kumakura, M. Kasu and T. Makimoto
Diamond RF FETs and other approaches to electronics; 2008/07 ANNOUNCEMENT INFO.; Physica Status Solidi (c), 5, 9, 3165-3168 AUTHOR; M. Kasu, K. Ueda, H. Kageshima and Y. Taniyasu
Diamond FETs on boron-implanted and high-pressure and high-temperature annealed homoepitaxial diamond; 2008/07 ANNOUNCEMENT INFO.; Physica Status Solidi (c), 5, 9, 3175-3177 AUTHOR; Kenji Ueda, Yoshiharu Yamauchi and Makoto Kasu
Anisotropic in-plane strains in nonpolar AlN and AlGaN (11-20) films grown on SiC (11-20) substrates; 2008 ANNOUNCEMENT INFO.; Applied Physics Letters, 93, 161908 AUTHOR; T. Akasaka, Y. Kobayashi, and M. Kasu
RF equivalent-circuit analysis of p-type diamond field-effect transistors with hydrogen surface termination; 2008 ANNOUNCEMENT INFO.; IEICE Transactions on Electronics, E91C, 1042-1049 AUTHOR; M. Kasu, K. Ueda, H. Kageshima, and Y. Yamauchi
Origin of growth defects in CVD diamond epitaxial films; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 60-65 AUTHOR; A. Tallaire, M. Kasu, K. Ueda, and T. Makimoto
High-pressure and high-temperature annealing effects of boron-implanted diamond; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 502-505 AUTHOR; K. Ueda and M. Kasu
Thick diamond layers angled by polishing to reveal defect and impurity depth profiles; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 506-510 AUTHOR; A. Tallaire, M. Kasu, and K. Ueda
Gate interfacial layer in hydrogen-terminated diamond field-effect transistors; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 741-744 AUTHOR; M. Kasu, K. Ueda, and Y. Yamauchi
High-pressure and high-temperature annealing of diamond ion-implanted with various elements; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 1269-1272 AUTHOR; K. Ueda and M. Kasu
Aluminum nitride deep-ultraviolet light-emitting p-n junction diodes; 2008 ANNOUNCEMENT INFO.; Diamond and Related Materials, 17, 1273-1277 AUTHOR; Y. Taniyasu and M. Kasu
High-temperature characteristics of AlxGa1-xN-based vertical conducting diodes; 2008 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 47, 2838-2840 AUTHOR; A. Nishikawa, K. Kumakura, M. Kasu, and T. Makimoto
Gate capacitance-voltage characteristics of submicron-long-gate diamond field-effect transistors with hydrogen surface termination; 2007 ANNOUNCEMENT INFO.; Applied Physics Letters, 90, 043509 AUTHOR; M. Kasu, K. Ueda, Y. Yamauchi, and T. Makimoto
High-pressure and high-temperature annealing as an activation method for ion-implanted dopants in diamond; 2007 ANNOUNCEMENT INFO.; Applied Physics Letters, 90, 122102 AUTHOR; K. Ueda, M. Kasu, and T. Makimoto
Radiation and polarization properties of free-exciton emission from AlN (0001) surface; 2007 ANNOUNCEMENT INFO.; Applied Physics Letters, 90, 261911 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
Threading dislocations in heteroepitaxial AlN layer grown by MOVPE on SiC (0001) substrate; 2007 ANNOUNCEMENT INFO.; J. Crystal Growth, 298, 310-315 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
Cathodoluminescence, photoluminescence, and reflectance study of an aluminum nitride layer grown on silicon carbide substrate; 2007 ANNOUNCEMENT INFO.; J. Applied Physics, 101, 023511 AUTHOR; G. M. Prinz, A. Ladenburger, M. Schirra, M. Feneberg, K. Thonke, R. Sauer, Y. Taniyasu, M. Kasu, and T. Makimoto
Diamond-based RF power transistors: Fundamentals and applications; 2007 ANNOUNCEMENT INFO.; Diamond and Related Materials, 16, 1010-1015 AUTHOR; M. Kasu, K. Ueda, Y. Yamauchi, A. Tallaire, and T. Makimoto
High RF output power for H-terminated diamond FETs; 2006 ANNOUNCEMENT INFO.; Diamond and Related Materials, 15, 783-786 AUTHOR; M. Kasu, K. Ueda, H. Ye, Y. Yamauchi, S. Sasaki, and T. Makimoto
Temperature dependent DC and RF performance of diamond MESFET; 2006 ANNOUNCEMENT INFO.; Diamond and Related Materials, 15, 787-791 AUTHOR; H. Ye, M. Kasu, K. Ueda, Y. Yamauchi, N. Maeda, S. Sasaki, and T. Makimoto
High-pressure and high-temperature annealing effect of CVD homoepitaxial diamond films; 2006 ANNOUNCEMENT INFO.; Diamond and Related Materials, 15, 1789-1791 AUTHOR; K. Ueda, M. Kasu, A. Tallaire, Y. Yamauchi, and T. Makimoto
Characterization of high-quality poly-crystalline diamond and its high FET performance; 2006 ANNOUNCEMENT INFO.; Diamond and Related Materials, 15, 1954-1957 AUTHOR; K. Ueda, M. Kasu, Y. Yamauchi, T. Makimoto, M. Schwitters, D. J. Twitchen, G. A. Scarsbrook, and S. E. Coe
Diamond FET using high-quality polycrystalline diamond with fT of 45 GHz and fmax of 120 GHz; 2006 ANNOUNCEMENT INFO.; IEEE Electron Device Letters, 27, 570-572 AUTHOR; K. Ueda, M. Kasu, Y. Yamauchi, T. Makimoto, M. Schwitters, D. J. Twitchen, G. A. Scarsbrook, and S. E. Coe
Increased electron mobility in n-type Si-doped AlN by reducing dislocation density; 2006 ANNOUNCEMENT INFO.; Applied Physics Letters, 89, 182112 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
An aluminium nitride light-emitting diode with a wavelength of 210 nanometres; 2006 ANNOUNCEMENT INFO.; Nature, 441, 325-328 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
Influence of lattice constants of GaN and InGaN on Npn-type GaN/InGaN heterojunction bipolar transistors; 2006 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 45, 3395-3397 AUTHOR; T. Makimoto, T. Kido, K. Kumakura, Y. Taniyasu, M. Kasu, and N. Matsumoto
Strained thick p-InGaN layers for GaN/InGaN heterojunction bipolar transistors on sapphire substrates; 2005 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 44, 2722-2725 AUTHOR; T. Makimoto, Y. Yamauchi, T. Kido, K. Kumakura, Y. Taniyasu, M. Kasu, and N. Matsumoto,
2 W/mm output power density at 1 GHz for diamond FETs; 2005 ANNOUNCEMENT INFO.; Electronics Letters, 41, 1249-1250 AUTHOR; M. Kasu, K. Ueda, H. Ye, Y. Yamauchi, S. Sasaki, and T. Makimoto,
Field emission properties of heavily Si-doped AlN in triode-type display structure; 2004 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 84, 2115-2117 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
Electrical conduction properties of n-type Si-doped AlN with high electron mobility ( > 100 cm2 V-1 s-1); 2004 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 85, 4672-4674 AUTHOR; Y. Taniyasu, M. Kasu, and T. Makimoto
Influence of epitaxy on the surface conduction of diamond film; 2004 ANNOUNCEMENT INFO.; Diamond and Related Materials, 13, 226-232 AUTHOR; M. Kasu, M. Kubovic, A. Aleksov, N. Teofilov, Y. Taniyasu, R. Sauer, E. Kohn, T. Makimoto, and N. Kobayashi
Microwave performance evaluation of diamond surface channel FETs; 2004 ANNOUNCEMENT INFO.; Microwave performance evaluation of diamond surface channel FETs, 13, 802-807 AUTHOR; M. Kubovic, M. Kasu, I. Kallfass, M. Neuburger, A. Aleksov, G. Koley, M. G. Spencer, and E. Kohn
Properties of (111) diamond homoepitaxial layer and its application to field-effect transistor; 2004 ANNOUNCEMENT INFO.; Japanese Journal of Applied Physics, 43, L975-L977 AUTHOR; M. Kasu, M. Kubovic, A. Aleksov, N. Teofilov, R. Sauer, E. Kohn, and T. Makimoto
High electron concentrations in Si-doped AlN/AlGaN superlattices with high average Al content of 80%; 2003 ANNOUNCEMENT INFO.; Phys. Stat. Sol. (a), 200, 40-43 AUTHOR; Y. Taniyasu, M. Kasu, K. Kumakura, T. Makimoto, and N. Kobayashi
Triode-type basic display structure using Si-doped AlN field emitters; 2003 ANNOUNCEMENT INFO.; Phys. Stat. Sol. (a), 200, 199-201 AUTHOR; Y. Taniyasu, M. Kasu, T. Makimoto, and N. Kobayashi
Formation of stacking faults containing microtwins in (111) chemical-vapor-deposited diamond homoepitaxial layers; 2003 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 83, 3465-3467 AUTHOR; M. Kasu, T. Makimoto, W. Ebert, and E. Kohn
High mobility and high crystalline-quality chemical-vapor-deposition grown homoepitaxial diamond; 2003 ANNOUNCEMENT INFO.; Diamond and Related Materials, 12, 413-417 AUTHOR; M. Kasu and N. Kobayashi
Reduction of threading dislocations in crack-free AlGaN by using multiple thin SixAl1-xN interlayers; 2003 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 83, 4140-4142 AUTHOR; T. Akasaka, T. Nishida, Y. Taniyasu, M. Kasu, and T. Makimoto
Intentional control of n-type conduction for Si-deoped AlN and AlxGa1-xN (0.42ANNOUNCEMENT INFO.; Appl. Phys. Lett., 81, 1255-1257 AUTHOR; Y. Taniyasu, M. Kasu, and N. Kobayashi
Intentional control of n-type conduction for Si-doped AlN and AlxGa1-xN with high Al content; 2002 ANNOUNCEMENT INFO.; Physica Status Solidi (B), 234, 845-849 AUTHOR; Y. Taniyasu, M. Kasu, and N. Kobayashi
High hole mobility (1300cm2/Vs) at room temperature in hydrogen-terminated (001) diamond; 2002 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 80, 3961-3963 AUTHOR; M. Kasu and N. Kobayashi
Spontaneous ridge-structure formation and large field emission of heavily Si-doped AlN; 2001 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 78, 1835-1837 AUTHOR; M. Kasu and N. Kobayashi
Field emission characteristics and large current density of heavily Si-doped AlN and AlxGa1-xN (0.38ANNOUNCEMENT INFO.; Appl. Phys. Lett., 79, 3642-3644 AUTHOR; M. Kasu and N. Kobayashi
Lattice parameters of wurtzite Al1-xSixN ternary alloy; 2001 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 79, 4351-4353 AUTHOR; Y. Taniyasu, M. Kasu, and N. Kobayashi
Formation of solid solution of Al1-xSixN (0ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys. Lett., 40, L1048-L1050 AUTHOR; M. Kasu, Y. Taniyasu, and N. Kobayashi
Spontaneous ridge formation and its effect on field emission of heavily Si-doped AlN; 2001 ANNOUNCEMENT INFO.; Physica Status Solidi (a), 188, 779-782 AUTHOR; M. Kasu and N. Kobayashi
Large and stable field emission current from heavily Si-doped AlN grown by metalorganic vapor phase epitaxy; 2000 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 76, 2910-2912 AUTHOR; M. Kasu and N. Kobayashi
Large electron field emission from high-quality heavily Si-doped AlN grown by MOVPE; 2000 ANNOUNCEMENT INFO.; J. Crystal Growth, 221, 739-742 AUTHOR; M. Kasu and N. Kobayashi
Nitrogen radical adsorption on InAs (001) surface studied by scanning tunneling microscopy and x-ray photoelectronic spectroscopy; 1998 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 73, 3754-3756 AUTHOR; M. Kasu, N. Kobayashi, H. Tanaka, and O. Mikami
Selectivity mechanism of all-UHV STM-based selective area growth; 1998 ANNOUNCEMENT INFO.; Appl. Surf. Sci., 130, 452-456 AUTHOR; M. Kasu, T. Makimoto, and N. Kobayashi
In-situ STM observation of GaAs surfaces after nitridation; 1997 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 36, 1733-1735 AUTHOR; T. Makimoto, M. Kasu, J. L. Benchmol, and N. Kobayashi
Nanoscale patterning and selective growth of GaAs surfaces by ultra-high vacuum scanning tunneling microscopy; 1997 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 36, 3821-3826 AUTHOR; M. Kasu, T. Makimoto, and N. Kobayashi
Selective-area GaAs growth using nitrogen passivation and scanning tunneling microscopy modification in a nanometer scale; 1997 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 70, 1161-1163 AUTHOR; M. Kasu, T. Makimoto, and N. Kobayashi
Surface diffusion kinetics of GaAs and AlAs metalorganic chemical vapor epitaxy; 1997 ANNOUNCEMENT INFO.; J. Crystal Growth, 170, 246-250 AUTHOR; M. Kasu and N. Kobayashi
Nanometer-scale selective area growth on nitrogen-passivated surface using STM and MOMBE; 1997 ANNOUNCEMENT INFO.; J. Crystal Growth, 173, 589-591 AUTHOR; M. Kasu, T. Makimoto, and N. Kobayashi
Surface kinetics of metalorganic chemical vapor epitaxy -surface diffusion, nucleus formation, sticking at steps-; 1997 ANNOUNCEMENT INFO.; J. Crystal Growth, 174, 513-521 AUTHOR; M. Kasu and N. Kobayashi
Anisotropic surface morphology of GaAs (001) surfaces passivated with nitrogen radicals; 1996 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 68, 955-957 AUTHOR; M. Kasu and N. Kobayashi
Scanning tunneling microscopy modification of nitrogen-passivated GaAs (001) surfaces on a nanometer scale; 1996 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 68, 1811-1813 AUTHOR; M. Kasu, T. Makimoto, and N. Kobayashi
Surface diffusion of AlAs on GaAs in metalorganic chemical vapor-phase epitaxy studied by high-vacuum scanning tunneling microscopy; 1995 ANNOUNCEMENT INFO.; J. Appl. Phys., 78, 3026-3035 AUTHOR; M. Kasu and N. Kobayashi
Surface diffusion of AlAs on GaAs in metalorganic chemical vapor-phase epitaxy studied by high-vacuum scanning tunneling microscopy; 1995 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 67, 2842-2844 AUTHOR; M. Kasu and N. Kobayashi
Scanning tunneling microscopy study of GaAs step structures on vicinal substrate grown by metalorganic chemical vapor deposition; 1994 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 33, 712-715 AUTHOR; M. Kasu and N. Kobayashi
Observation of GaAs (001) surface at high temperatures by scanning tunneling microscopy; 1993 ANNOUNCEMENT INFO.; J. Crystal Growth, 127, 1064-1067 AUTHOR; H. Yamaguchi, M. Kasu, T. Sueyoshi, T. Sato, and M. Iwatsuki
Equilibrium multiatomic step structure of GaAs (001) vicinal surfaces grown by metalorganic chemical vapor deposition; 1993 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 62, 1262-1264 AUTHOR; M. Kasu and N. Kobayashi
Multi-atomic steps on metalorganic chemical vapor deposition-grown GaAs vicinal surfaces studied by atomic force microscopy; 1992 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 31, L864-L866 AUTHOR; M. Kasu and T. Fukui
Polarized photoluminescence of fractional layer superlattices; 1992 ANNOUNCEMENT INFO.; Surface Science, 267, 300-303 AUTHOR; M. Kasu, H. Ando, H. Saito, and T. Fukui
Fractional layer superlattices grown by MOCVD and their device application; 1992 ANNOUNCEMENT INFO.; J. Crystal Growth, 124, 493-496 AUTHOR; T. Fukui, K. Tsubaki, H. Saito, M. Kasu, and T. Honda
Anisotropy in photoluminescence and absorption spectra of fractional layer superlattices; 1991 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 59, 301-303 AUTHOR; M. Kasu, H. Ando, H. Saito, and T. Fukui
Photoluminescence lifetime of AlAs/GaAs disordered superlattices; 1991 ANNOUNCEMENT INFO.; Appl. Phys. Lett., 59, 800-802 AUTHOR; M. Kasu, T. Yamamoto, S. Noda, and A. Sasaki
DX centers in AlxGal-xAs bulk alloy, AlAs/GaAs ordered and disordered superlattices; 1991 ANNOUNCEMENT INFO.; J. Electron. Materials, 20, 691-693 AUTHOR; M. Kasu, R. Rao, S. Noda, and A. Sasaski
Step-density dependence of growth rate on vicinal surface of MOCVD; 1991 ANNOUNCEMENT INFO.; J. Crystal Growth, 115, 406-410 AUTHOR; M. Kasu, H. Saito, and T. Fukui
Photoluminescent properties and optical absorption of AlAs/GaAs disordered superlattices; 1990 ANNOUNCEMENT INFO.; J. Appl. Phys., 68, 5318-5323 AUTHOR; T. Yamamoto, M. Kasu, S. Noda, and A. Sasaki
Optical properties of disordered superlattices; 1990 ANNOUNCEMENT INFO.; J. Electron. Materials, 19, 11-12 AUTHOR; A. Sasaki, M. Kasu, and S. Noda
Photoluminescent properties of AlAs/AlxGa1-xAs (x=0.5) disordered superlattices; 1990 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 29, L1055-L1058 AUTHOR; M. Kasu, T. Yamamoto, S. Noda, and A. Sasaki
Electroluminescence of AlAs/GaAs disordered superlattices; 1990 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 29, L1588-L1590 AUTHOR; M. Kasu, T. Yamamoto, S. Noda, and A. Sasaki
Absorption spectra and photoluminescent processes of AlAs/GaAs disordered superlattices; 1990 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 29, 828-834 AUTHOR; M. Kasu, T. Yamamoto, S. Noda, and A. Sasaki
Proposal and experimental results of disordered crystalline semiconductors; 1989 ANNOUNCEMENT INFO.; Jpn. J. Appl. Phys., 28, L1249-L1251 AUTHOR; A. Sasaki, M. Kasu, T. Yamamoto, and S. Noda,
Material, Commentary, Editorials, Research Report, A Comprehensive Journal Articles
3659 V 0.37 A/mm NO2-doped p-channel Diamond MOSFETs fabricated on diamond grown on misoriented sapphire substrates; 2022/11 ANNOUNCEMENT INFO.; The 2022 Materials Research Society (MRS) Fall Meeting, Nov. 27- Dec. 2, 2022, Boston AUTHOR; Niloy Chandra Saha, Seong-Woo Kim, Koji Koyama, Toshiyuki Oishi, and Makoto Kasu
Growth process of high-quality 2-in-diameter CVD diamond on Ir/sapphire substrate compared with Ir/MgO substrate; 2022/11 ANNOUNCEMENT INFO.; The 2022 Materials Research Society (MRS) Fall Meeting, Nov. 27- Dec. 2, 2022, Boston AUTHOR; Makoto Kasu, Ryo Masaki, Koji Koyama, and Seong-Woo Kim
Dislocation Responsible for Leakage Current in HVPE (001) β-Ga2O3 SBD Observed by Emission Microscopy and Synchrotron X-ray Topography; 2022/10 ANNOUNCEMENT INFO.; The 4th International Workshop on Gallium Oxide and Related Materials (IWGO 2022) Nanano, October 23 – 27, 2022 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, and Makoto Kasu
High Quality Vertical Bridgman and Edge-Defined Film-Fed Growth β-Ga2O3 Bulk Crystal Investigated Using High-Resolution X-Ray Diffraction and Synchrotron X-Ray Topography; 2022/10 ANNOUNCEMENT INFO.; The 4th International Workshop on Gallium Oxide and Related Materials (IWGO 2022) Nanano, October 23 – 27, 2022 AUTHOR; Muhidul Islam Chaman, Keigo Hoshikawa, Sayleap Sdoeung, and Makoto Kasu
Crystal Defects and Lattice Constants of High-Quality β-Ga2O3 Edge-Defined Film-Fed Grown Single Crystals Studied by Synchrotron X-ray Topography and High-Resolution X-Ray Diffractions; 2022/10 ANNOUNCEMENT INFO.; The 4th International Workshop on Gallium Oxide and Related Materials (IWGO 2022) Nanano, October 23 – 27, 2022 AUTHOR; Muhidul Islam Chaman, Sayleap Sdoeung, and Makoto Kasu
Microstructural Characterization of β-Ga2O3 Crystals by Photoluminescence Mapping Measurements; 2022/10 ANNOUNCEMENT INFO.; Pos 2-04,
The 4th International Workshop on Gallium Oxide and Related Materials (IWGO 2022) Nanano, October 23 – 27, 2022 AUTHOR; K. Shoji, M. Nakanishi, M. Kasu, T. Yamaguchi, T. Honda, K. Sasaki, A. Kuramata, and T. Onuma
High On/Off Rectification Ratio of Diamond Schottky Barrier Diode Fabricated by All-Ion-Implantation Doping; 2022/09 ANNOUNCEMENT INFO.; 32nd International Conference on Diamond and Carbon Materials (ICDCM2022), Marid, Sep 4-8, 2022 AUTHOR; N. C. Saha, Irie, Seki, Nakata, Hoshino, S. -W. Kim, T. Oishi, and M. Kasu,
875 MW/cm2 NO2-p-Type-Doped Diamond MOSFETs; 2022/09 ANNOUNCEMENT INFO.; 32nd International Conference on Diamond and Carbon Materials (ICDCM2022), Marid, Sep 4-8, 2022 AUTHOR; Makoto Kasu, Niloy Chandra Saha, Seong-Woo Kim, and Toshiyuki Oishi
Growth mechanism of high-quality inch-diameter diamond layers on sapphire substrates in comparison to MgO substrates; 2022/09 ANNOUNCEMENT INFO.; 32nd International Conference on Diamond and Carbon Materials (ICDCM2022), Marid, Sep 4-8, 2022 AUTHOR; Makoto Kasu, Ryota Takaya, Ryo Masaki, and Seong-Woo Kim
3326 V 0.42 A/mm Modulation-Doped Diamond MOSFETs Fabricated via NO2 Delta Doping in Al2O3 Gate Layer; 2022/09 ANNOUNCEMENT INFO.; 32nd International Conference on Diamond and Carbon Materials (ICDCM2022), Marid, Sep 4-8, 2022 AUTHOR; M. Kasu, N.C. Saha, S.-W. Kim, and T. Oishi
820 MW/cm2 0.42 A/mm 3326 V modulation-doped diamond MOSFET; 2022/06 ANNOUNCEMENT INFO.; 15th International Conference on New Diamond and Nano Carbons (NDNC 2022), Kanazawa, June 6-9, 2022 AUTHOR; Niloy Chandra Saha, Seong Woo Kim, Toshiyuki Oishi, Makoto Kasu
875 MW/cm2 2568 V 0.68 A/mm NO2 P-type Doped Diamond MOSFETs; 2022/06 ANNOUNCEMENT INFO.; 15th International Conference on New Diamond and Nano Carbons (NDNC 2022), Kanazawa, June 6-9, 2022 AUTHOR; N. C. Saha, S.–W. Kim, T. Oishi, and M. Kasu,
Growth Mechanism of 2-Inch High-Quality Heteroepitaxial Diamond Free-Standing Wafers on Sapphire for High-Power Diamond FETs; 2022/05 ANNOUNCEMENT INFO.; Materials Research Society
(MRS) Spring Meeting, EQ01.16.06, On-line, May 8, 2022 AUTHOR; Makoto Kasu, Seong-Woo Kim, Ryota Takaya, and Niloy Saha Chandra
Misorientation Angle of Heteroepitaxial Diamond on Sapphire Misoriented Substrate; 2022/03 ANNOUNCEMENT INFO.; 15a-A408-8、2023年第70回応用物理学会春季学術講演会、東京、2023年3月15日 AUTHOR; JACQUES DAGBETO, Koji Koyama, Seongwoo Kim, Makoto Kasu
High Quality Heteroepitaxial Diamond by Using Step-Flow Growth; 2021/12 ANNOUNCEMENT INFO.; High Quality Heteroepitaxial Diamond by Using Step-Flow Growth AUTHOR; Seong-Woo Kim, Ryota Takaya, and Makoto Kasu
Diamond Field-Effect Transistors with Modulation Doping; 2021/12 ANNOUNCEMENT INFO.; 2021 Materials Research Society Fall Meeting, EQ19.12 AUTHOR; Makoto Kasu, Niloy Chandra Saha, Seong-Woo Kim, and Toshiyuki Oishi
Modulation-doped diamond field-effect transistors fabricated by NO2 delta doping in an Al2O3 gate layer; 2021/09 ANNOUNCEMENT INFO.; 31st International Conference on Diamond and Carbon Materials, Online, 6-9 September 2021 AUTHOR; M. Kasu, N.C. Saha, S.-W. Kim, and T. Oishi,
Initial Growth Mechanism of High-Quality Diamond Heteroepitaxial Layers on Sapphire and MgO Substrates; 2021/09 ANNOUNCEMENT INFO.; 31st International Conference on Diamond and Carbon Materials, Online, 6-9 September 2021. AUTHOR; Makoto Kasu, Ryota Takaya, Ryo Masaki, Niloy Chandra Saha, Yuki Kawamata, Koji Koyama, and Seong-Woo Kim
Polycrystalline Defects Origin of Reverse Leakage Current in HVPE (001) β-Ga2O3 SBDs Identified by High Sensitive Emission Microscope; 2021/03 ANNOUNCEMENT INFO.; 2021年春季応用物理学会19a-Z33-7、オンライン、2021年3月16-19日 AUTHOR; Sayleap Sdoeung, Kohei Sasaki, Katsumi Kawasaki, Jun Hirabayashi, Akito Kuramata, Makoto Kasu
Ultrahigh-Sensitivity Emission Microscopy Study of β-Ga2O3 Schottky Barrier Diodes in Operation; 2020/11 ANNOUNCEMENT INFO.; Ultrahigh-Sensitivity Emission Microscopy Study of β-Ga2O3 Schottky Barrier Diodes in Operation AUTHOR; M. Kasu, S. Sayleap, H. Takaji, K. Sasaki, J. Arima, K. Kawasaki, J. Hirabayashi, A. Kuramata,
High Current (0.7 A/mm) for Diamond MOSFETs with 1.4-µm gate and NO2 P-Type Doping on High Quality Heteroepitaxial Diamond Substrates; 2020/11 ANNOUNCEMENT INFO.; High Current (0.7 A/mm) for Diamond MOSFETs with 1.4-µm gate and NO2 P-Type Doping on High Quality Heteroepitaxial Diamond Substrates AUTHOR; N. Chandra, T. Oishi, S.–W. Kim, Yuki Kawamata、Koji Koyama, and M. Kasu
Initial Growth of High-Quality Diamond Heteroepitaxial Layer on Sapphire Substrate; 2020/11 ANNOUNCEMENT INFO.; Initial Growth of High-Quality Diamond Heteroepitaxial Layer on Sapphire Substrate AUTHOR; M. Kasu, R. Takaya, Yuki Kawamata, Koji Koyamand, and S. -W. Kim
RF measurements and analysis for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds,; 2019/09 ANNOUNCEMENT INFO.; 30th International Conference on Diamond and Related Materials (ICDCM2019), Seville, Spain, Sep. 7-12, 2019. AUTHOR; M. Kasu, T. Kamogawa, N. C. Saha, T. Oishi, S. -W. Kim
RF characteristics for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds; 2019/09 ANNOUNCEMENT INFO.; 30th International Conference on Diamond and Related Materials (ICDCM2019), Seville, Spain, Sep. 7-12, 2019 AUTHOR; M. Kasu, Y. Ishimatsu, T. Kamogawa, N. C. Saha, T. Oishi, S. -W. Kim
Relation between Emission Spots and Reverse Leakage Current in HVPE (001) β-Ga2O3 Schottky Barrier Diodes; 2019/08 ANNOUNCEMENT INFO.; 2019 International Workshop on Gallium Oxide and related materials,
Columbus Ohio. August 12-15th 2019 AUTHOR; M. Kasu, K. Sasaki, K. Kawasaki, J. Hirabayashi, and A. Kuramata
Synchrotron X-ray Topography Observation of Defects in Vertical-Bridgman-Grown β-Ga2O3 Single Crystal; 2019/08 ANNOUNCEMENT INFO.; 2019 International Workshop on Gallium Oxide and related materials,
Columbus Ohio, August 12-15th 2019 AUTHOR; M. Kasu, S. Masuya, K. Sasaki, A. Kuramata, T. Kobayashi, K. Hoshikawa, and O. Ueda
Heterointerfacial electronic properties and energy band alignment of Al2O3/Air/H-diamond heterointerface using XPS/XANES measurements; 2019/05 ANNOUNCEMENT INFO.; the 13th New Diamond and Nano Carbons Conference. May 15-17, 2019, Hualien, Taiwan. AUTHOR; Niloy Chandra Saha, Kazutoshi Takahashi, Masaki Imamura, Makoto Kasu
RF characteristics for submicron-gate diamond MOSFETs fabricated on heteroepitaxial diamonds; 2019/05 ANNOUNCEMENT INFO.; the 13th New Diamond and Nano Carbons Conference. May 15-17, 2019, Hualien, Taiwan. AUTHOR; M. Kasu, Y. Ishimatsu, T. Kamogawa, N. C. Saha, T. Oishi, S. -W. Kim
Energy band alignment of Al2O3/Air/H-diamond heterointerface determined by synchrotron x-ray photoelectron spectroscopy; 2019/03 ANNOUNCEMENT INFO.; 2019年応⽤物理学会春季学術講演会、東京、3月9-12日 AUTHOR; Niloy Chandra Saha, K. Takahashi, M. Imamura, M. Kasu
Energy band alignment of Al2O3/Air/H-diamond heterointerface determined by synchrotron x-ray photoelectron spectroscopy; 2019/03 ANNOUNCEMENT INFO.; 2019年応⽤物理学会春季学術講演会 AUTHOR; Niloy Chandra Saha, K. Takahashi, M. Imamura, M. Kasu
Crystal defects which relate with leakage current of HVPE (001) b-Ga2O3 Schottky barrier diodes; 2018/11 ANNOUNCEMENT INFO.; Materials Research Society 2018 Fall Meeting AUTHOR; M. Kasu, E. Katagiri, S. Fujita, K. Sasaki, K. Kawasaki, J. Hirabayashi, A. Kuramata, T. Oishi
The Interface properties of Al2O3/NO2/H-diamond in MOSFET structure studied by capacitance and conductance and synchrotron XPS/XANES measurements; 2018/11 ANNOUNCEMENT INFO.; Materials Research Society 2018 Fall Meeting AUTHOR; N. C. Saha, K. Takahashi, S. Masuya, M. Imamura, M. Kasu
Diamond field-effect transistors fabricated on high-quality heteroepitaxial diamond wafers treated by chemical mechanical polishing technology; 2018/09 ANNOUNCEMENT INFO.; Int. Conf. Diamond and Carbon Materials (ICDCM) AUTHOR; M. Kasu, D. Fujii, S. Masuya, T. Oishi, S. –W. Kim
Energy band alignment of Al2O3/NO/H-diamond and Al2O3/SO2/H-diamond heterointerfaces determined by synchrotron XPS/UPS/XANES measurements; 2018/09 ANNOUNCEMENT INFO.; Int. Conf. Diamond and Carbon Materials (ICDCM) 2019 AUTHOR; N. C. Saha, K. Takahashi, M. Imamura, M. Kasu
Improvement of performance of NO2-doped H-diamond FET by using Au gate metal; 2018/09 ANNOUNCEMENT INFO.; Int. Conf. Diamond and Carbon Materials (ICDCM) 2018 AUTHOR; N. C. Saha, M. Kasu
The combination of Diamond devices with Si LSI by surface activated bonding; 2018/03 ANNOUNCEMENT INFO.; Int. Conf. Diamond and Carbon Materials (ICDCM) 2018 AUTHOR; Jianbo Liang, Satoshi Masuya, Makoto Kasu, and Naoteru Shigekawa
Interpolation Method for Missing Data of Measurement in Mega Solar Power Plant Using Wavelet Transforms; 2017/11 ANNOUNCEMENT INFO.; 27th International Photovoltaic Science and Engineering Conference (PVSEC2017) AUTHOR; S. Hara, M. Kasu
Subsecond interval measurements of outdoor operated mega solar power plant; 2017/11 ANNOUNCEMENT INFO.; 27th International Photovoltaic Science and Engineering Conference (PVSEC2017) AUTHOR; Shigeomi Hara, Makoto Kasu
Interface Properties of Diamond MOS Diodes Studied by Capacitance-Voltage and Conductance Methods - NO2 Hole Doping Effect –; 2017/09 ANNOUNCEMENT INFO.; 2017 International Conference on Solid State Devices and Materials (SSDM2017) AUTHOR; N. C. Saha, M. Kasu
Si 基板と接合した単結晶ダイヤモンドの残留応力評価; 2017/09 ANNOUNCEMENT INFO.; AUTHOR;
en-Millisecond Interval Measurements of Generated Power, Irradiance and Weather at Mega Solar Power Plant; 2017/06 ANNOUNCEMENT INFO.; International 2017 IEEE Photovoltaic Specialists Conference (PVSC-44) AUTHOR; M. Kasu, S. Hara
High-Speed Measurements of Generated Power and its Relationship to Weather Observations at Yoshinogari Mega Solar Power Plant; 2017/06 ANNOUNCEMENT INFO.; International 2017 IEEE Photovoltaic Specialists Conference (PVSC-44) AUTHOR; M. Kasu, S. Hara, and T. Uematsu
Dependence of String Power on its Height in the Array in Yoshinogari Mega Solar Power Plant; 2017/06 ANNOUNCEMENT INFO.; International 2017 IEEE Photovoltaic Specialists Conference (PVSC-44) AUTHOR; S. Hara, M. Kasu, and Y. Masutomi,
Temperature Dependence and Performance Analysis of Photovoltaic Modules; 2017/06 ANNOUNCEMENT INFO.; 27th International Photovoltaic Science and Engineering Conference (PVSEC2017) AUTHOR; J. Abdu, S. Hara, S. Choi, Y. Chiba, A. Masuda, M. Kasu
abrication of Diamond Rectenna Devices for RF Power Transmission; 2016/09 ANNOUNCEMENT INFO.; 27th International Conference on Diamond and Carbon Materials 2016, Sep 4-8, Monpelie AUTHOR; M. Kasu, T. Oisi, N. Kawano, A. Miyachi, and S. Kawasaki
Disappearance of stacking faults in single crystal diamond by thermal annealing; 2016/09 ANNOUNCEMENT INFO.; 27th International Conference on Diamond and Carbon Materials 2016, Sep 4-8, Monpelie AUTHOR; S. Masuya, T. Moribayashi , K. Hanada, H. Sumiya , M. Kasu
Real –Time Measurement of Hole Doping by NO2 and SO2 Molecular Adsorption
on H-Terminated Diamond Surfaces; 2016/09 ANNOUNCEMENT INFO.; 27th International Conference on Diamond and Carbon Materials 2016, Sep 4-8, Monpelie AUTHOR; Kenji Hanada, Makoto Kasu
Fabrication of diamond field-effect transistors with double NO2 hole doping and low-temperature-deposited Al2O3 gate insulator layer; 2016/09 ANNOUNCEMENT INFO.; 27th International Conference on Diamond and Carbon Materials 2016, Sep 4-8, Monpelie AUTHOR; M. Kasu, K. Hanada, K. Funaki, S. Masuya, T. Oshima, and T. Oishi
Determination of stacking faults in an (111) high pressure/high temperature (HP/HT) diamond single crystals with extremely low defect density via synchrotron X-ray topography; 2016/09 ANNOUNCEMENT INFO.; 27th International Conference on Diamond and Carbon Materials 2016, Sep 4-8, Monpelie AUTHOR; S. Masuya , T. Moribayashi , K. Hanada , H. Sumiya, M. Kasu
Synchrotron X-ray topography observation of stacking faults in HPHT diamond single crystal; 2016/03 ANNOUNCEMENT INFO.; 8th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials / 9th International Conference on Plasma-Nano Technology & Science (ISPlasma2016 / IC-PLANTS2016) March 6-10, 2016 Nagoya AUTHOR; S. Masuya, K. Hanada, T. Uematsu, T. Moribayashi, M. Kasu, H. Sumiya
Fabrication of Diamond Field-Effect Transistors with Various NO2 Hole-Doping Conditions and Al2O3 Gate Insulator Layers; 2016/03 ANNOUNCEMENT INFO.; Materials Research Meeting (MRS) Spring Meeting, Phoenix, USA, Mar 28-Apr.1, 2016. AUTHOR; Makoto Kasu, Kenji Hanada, Kazuya Harada, Yuta Koga, Kosuke Funaki, and Toshiyuki Oisi,
Study on Dislocations and Stacking faults and in High-Pressure High-Temperature Synthesized Type-IIa Diamond Single Crystals by Synchrotron X-ray Topography Observations; 2016/03 ANNOUNCEMENT INFO.; Materials Research Meeting (MRS) Spring Meeting, Phoenix, USA, Mar 28-Apr.1, 2016. AUTHOR; Makoto Kasu, Satoshi Masuya, Kenji Hanada, Tomoya Moribayashi, Hitoshi Sumiya
Observation of Crystalline Pits in β-Ga2O3 As-Grown Single Crystals; 2016/03 ANNOUNCEMENT INFO.; Materials Research Meeting (MRS) Spring Meeting, Phoenix, USA, Mar 28-Apr.1, 2016. AUTHOR; Makoto Kasu, Kenji Hanada, Tomoya Moribayashi, Takumi Uematsu, Satoshi Masuya, Kimiyoshi Koshi, Kohei Sasaki, Akito Kuramata, and Osamu Ueda
Etch-Pit Observation of EFG-grown -Ga2O3 Single Crystals; 2015/11 ANNOUNCEMENT INFO.; International Workshop on Gallium Oxide (IWGO), Nov.3~6, 2015, Kyoto AUTHOR; M. Kasu, T. Uematsu, S. Masuya, T. Moribayashi, K. Hanada, K. Koshi, K. Sasaki, and A. Kuramata
Fabrication of Schottky Barrier Diodes of EFG-grown Sn-doped b-Ga2O3 (-201) Single-Crystals; 2015/11 ANNOUNCEMENT INFO.; International Workshop on Gallium Oxide (IWGO), Nov.3~6, 2015, Kyoto AUTHOR; Y. Koga, K. Harada, K. Hanada, T. Oishi, and M. Kasu
Estimation Method of Solar Cell Temperature Using Meteorological Data in Mega Solar Power Plant,; 2015/11 ANNOUNCEMENT INFO.; 25th International Photovoltatic Science and Engineering Conference (PVSEC-25), Nov. 16-20, Busan AUTHOR; S. Hara, H. Tanaka, M. Kasu, N. Matsui
Estimation Method of Characteristic Parameters of Strings in Mega Solar Power Plant; 2015/11 ANNOUNCEMENT INFO.; 25th International Photovoltatic Science and Engineering Conference (PVSEC-25), Nov. 16-20, Busan AUTHOR; Shigeomi Hara, Makoto Kasu, Noriaki Matsui,
Synchrotron X-ray Topography Observation of (110) HPHT type-IIa Diamond Single Crystals; 2015/05 ANNOUNCEMENT INFO.; International Conference on New Diamond and Nano Carbon (NDNC), May 24~28, 2015, Shizuoka AUTHOR; M.Kasu, R.Murakami, S.Masuya, T.Uematsu, and H.Sumiya
Diamond MOS Interface Properties Studied by XPS/UPS/XANES and C-V Measurements; 2014/11 ANNOUNCEMENT INFO.; The 7th International Symposium on Surface Science, Matsue, November 2 - 6, 2014 AUTHOR; M. Kasu, K. Hirama, K. Harada, M. Imamura, K. Takahashi, K. Shiraishi
Device Operation Analysis of Diamond MOSFET Obtained by Capacitance–Voltage Characteristics; 2014/09 ANNOUNCEMENT INFO.; International Conference on Diamond and Related Carbons 2014 (ICDCM2014), Madrid, September 7 - 11, 2014 AUTHOR; K. Harada, K. Hirama, T. Oishi, M. Kasu
Dislocation Identification of HPHT Diamond Single Crystal Using Synchrotron
Light • X-ray Topography Observation; 2014/09 ANNOUNCEMENT INFO.; International Conference on Diamond and Related Carbons 2014 (ICDCM2014), Madrid, September 7 - 11, 2014 AUTHOR; M. Kasu, R. Murakami, S. Masuya, A. Matsunaga, K. Harada, and H. Sumiya
Synchrotron X-ray Topography Observation of CVD Diamond Single Crystal; 2014/09 ANNOUNCEMENT INFO.; International Conference on Diamond and Related Carbons 2014 (ICDCM2014), Madrid, September 7 - 11, 2014 AUTHOR; S. Masuya, R. Murakami, K. Harada, H. Sumiya , M. Kasu
Thermal Stabilization of H-Terminated Diamond Surface by Using Al2O3 Overlayer and its Stable and Improved Field-Effect Transistors; 2012/09 ANNOUNCEMENT INFO.; 2012 International Conference on Diamond and Related Carbon Materials AUTHOR; M. Kasu, K. Hirama, H. Sato, and Y. Harada
Critical hole concentration for H-terminated diamond surfaces with various surface orientations obtained by high-concentrated NO2 exposure; 2012/09 ANNOUNCEMENT INFO.; AUTHOR; Hisashi Sato and Makoto Kasu
Inorganic Molecular Hole Doping on H-terminated Diamond Surface; Critical Hole Concentration for Various Orientations and the First-Principle Calculations; 2012/05 ANNOUNCEMENT INFO.; New Diamond and Nano Carbons Conference 2012 AUTHOR; M. Kasu, H. Sato, Y. Takagi, K. Shiraishi
Critical Hole Concentration of H-terminated Diamond and Hole Generation Model during NO2 and O3 adsorption; 2011/12 ANNOUNCEMENT INFO.; AUTHOR; Hisashi Sato, Makoto Kasu, Kazuyuki Hirama,
Other Lectures
Continuous operation (14 h) and stress tests for H-diamond field-effect transistors; 2017/05 ANNOUNCEMENT INFO.; 11th Conference on New Diamond and Nano Carbons (NDNC2017) AUTHOR; M. Kasu, K. Funaki, Y. Ishimatsu, S. Masuya, T. Oshima, and T. Oishi
2017/05 ANNOUNCEMENT INFO.; 11th Conference on New Diamond and Nano Carbons (NDNC2017) AUTHOR; S. Masuya, M. Kasu
Recent progress of NO2 p-type doped diamond MOSFET and heteroepitaxial diamond wafer technologies; 2022/11 ANNOUNCEMENT INFO.; The 10th Asia-Pacific Workshop on Widegap Semiconductors 2022 (APWS2022), Taoyuan, Taiwan, November 13-18, 2022 AUTHOR; Makoto Kasu, Seong-Woo Kim
Defects responsible for leakage current in β-Ga2O3 Schottky barrier diodes observed by ultrahigh sensitive emission microscopy and synchrotron X-ray topography; 2022/11 ANNOUNCEMENT INFO.; The 10th Asia-Pacific Workshop on Widegap Semiconductors 2022 (APWS2022), Taoyuan, Taiwan, November 13-18, 2022 AUTHOR; Makoto Kasu, Sayleap Sdoeung, Kohei Sasaki, and Akito Kuramata
Diamond Semiconductor; Inch‐Wafer Growth and Power FET Technologies; 2022/09 ANNOUNCEMENT INFO.; The 54th International Conference on Solid State Devices and Materials (SSDM 2022) Short Course (Invited), Makuhari, Sep 26, 2022 AUTHOR; Makoto Kasu
Two-inch diamond wafer with high FOM for use in MOSFET; 2022/08 ANNOUNCEMENT INFO.; 14th Topical Workshop on Heterostructure Microelectronics (TWHM 2022),
(Invited) Aug 29- Sep 1, 2022 AUTHOR; Makoto Kasu, Seoeng-Woo Kim
Diamond Semiconductor Technologies towards RF Power Applications; 2019/11 ANNOUNCEMENT INFO.; 4th International Carbon Materials Conference and Exhibition, Shanghai, Nov. 26-29, 2019. AUTHOR; Makoto Kasu
Recent Progress of Diamond Devices for RF Applications; 2016/10 ANNOUNCEMENT INFO.; 2016 IEEE Compound Semiconductor IC Symposium AUTHOR; Makoto Kasu, Toshiyuki Oishi
Diamond Devices for RF Applications; 2016/08 ANNOUNCEMENT INFO.; 2016 URSI Asia-Pacific Radio Science Conference AUTHOR; Makoto Kasu, Toshiyuki Oishi
Diamond FETs for RF Power Electronics; Novel Hole Doping; 2016/03 ANNOUNCEMENT INFO.; 8th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials / 9th International Conference on Plasma-Nano Technology & Science (ISPlasma2016 / IC-PLANTS2016) March 6-10, 2016 Nagoya AUTHOR; Makoto Kasu
Ultimate Wide-Gap Semiconductors:Diamond Power Devices and Aluminum Nitride Deep-Ultraviolet LEDs; 2015/09 ANNOUNCEMENT INFO.; Semicon Nano 2015, Hsinchu, Taiwan, Sep. 6-11,2015. AUTHOR; Makoto Kasu
Diamond Transistors –Present Status and Future Prospects; 2015/06 ANNOUNCEMENT INFO.; Collaborative Conference on 3D & Materials Research (CC3DMR) 2015 AUTHOR; Makoto Kasu
Diamond RF Power Transistors: Present Status and Challenges; 2014/11 ANNOUNCEMENT INFO.; 2014 MRS Fall Meeting, Nov. 30 – Dec. 5, 2014.Boston AUTHOR; M. Kasu
Diamond RF Power Transistors: Present Status and Challenges; 2014/10 ANNOUNCEMENT INFO.; 9th European Microwave Integrated Circuits Conference (EUMIC 2014),
Oct 6-7, 2014, Rome. AUTHOR; M. Kasu, T. Oishi
ダイヤモンドパワートランジスタ研究開発の最近の進展; 2014/09 ANNOUNCEMENT INFO.; 日本学術振興会真空ナノエレクトロニクス第158委員会 第104回研究会, 京都、2014年9月24日 AUTHOR; M. Kasu
Diamond RF Power Transistors: Present Status and Challenges; 2014/08 ANNOUNCEMENT INFO.; 15th IUMRS International Conference in Asia (IUMRS-ICA), Fukuoka, Aug. 24-30 , 2014. AUTHOR; M. Kasu
ダイヤモンドパワーデバイス研究の現状; 2014/05 ANNOUNCEMENT INFO.; ワイドバンドギャップ半導体デバイスに関わる超精密加工プロセス研究分科会 AUTHOR; M. Kasu
ダイヤモンドパワー素子技術; 2014/05 ANNOUNCEMENT INFO.; 第8回集積化MEMS技術研究会「次世代半導体技術」 AUTHOR; M. Kasu