NameAZUMA Junpei
DepartmentSynchrotron Light Application Center
Job TitleAssociate Professor Degree Obtained
E-mailazumacc.saga-u.ac.jp
Homepagehttp://www.slc.saga-u.ac.jp/

Detailed Information

Research Field/Keywords for Research Field

  • Condensed matter physics

Education

  • 1996/03, Graduated
  • 1998/03, Master Course, Completed
  • 2003/01, Doctor Course, Completed

Employment Experience

  • 2001/04 - 2003/09 Postdoctoral Fellowships of Japan Society for the Promotion of Science
  • 2003/10 - 2007/03 Research Associate, Synchrotron Light Application Center, Saga University
  • 2007/04 - 2009/07 Assistant Professor, Synchrotron Light Application Center, Saga University
  • 2009/07 -  *  Associate Professor, Synchrotron Light Application Center, Saga University

Field of Specialization

  • Condensed matter physics I, Condensed matter physics II, Quantum beam science

Membership in Academic Societies

  • The Physical Society of Japan, The Japanese Society for Synchrotron Radiation Research

Themes for Ongoing Research

  • Photo-induced phase transitions studied by time-resolved photoemission spectroscopy
  • Photo-excited electron dynamics on semiconductor surfaces studied by time-resolved photoemission spectroscopy
  • Development of time-resolved photoemission spectrometer using ultrafast laser
  • Development of transient absorption spectrometer using synchrotron radiation and laser
  • Multistability of the photo-exited states in quasi-1D insulator C5H10NH2PbBr3

Research Themes in the Past

  • Development of transient absorption spectrometer using synchrotron radiation and laser
  • Multistability of the photo-exited states in quasi-1D insulator C5H10NH2PbBr3

Research Topics and Results

  • 放射光光電子分光によるTi4O7の電子状態 2023/01
  • Electronic band structures of Magneli phase Ti4O7 studied by angle-resolved photoemission spectroscopy 2022/09
  • 角度分解光電子分光によるTi4O7の電子状態 2022/06
  • Occupied and unoccupied electronic structures of an L-cysteine film studied by absorption and resonant photoelectron spectroscopies 2016/04
  • 含硫アミノ酸溶液中で Ag 表面に作製した薄膜の光電子分光 2016/03
  • Linear Dichroism of Topological Surface State Studied by Angle-Resolved Multi-Photon Photoemission Spectroscopy 2015/11
  • Unoccupied Electronic Structures of Bi2Te3(111) Studied by Angle-Resolved Multi-Photoemission Spectroscopy 2015/09
  • Photo-induced valence change of the sulfur atom in an L-cysteine thin film grown on a silver metal substrate in a saliva-emulated aqueous solution 2015/05
  • Photo-induced insulator-metal transition in Ti4O7 studied by time-resolved photoemission measurement 2015/05
  • Image Potential States of Bi2Te3(111) Studied by Time-Resolved 2-Photon Photoemission Spectroscopy 2015/05
  • Photoelectron Spectroscopic Study on Decay Processes of Core-Excited States of NaNO2 2015/03
  • 二光子光電子分光を用いた半導体の占有・非占有電子状態の研究 2015/03
  • 時間分解2光子光電子分光によるBi2Te3表面の鏡像準位と励起電子ダイナミクス 2015/03
  • 時間分解光電子分光によるK0.3MoO3のCDWギャップ変化の観測 2015/03
  • レーザー光電子分光を用いたV2O3の金属-絶縁体転移に関する研究 2014/09
  • 角度分解多光子光電子分光によるBi2Te3の非占有電子状態 2014/09
  • Photo-induced Valence Change of the L-cysteine/Ag Grown in the Aqueous Solution 2014/08
  • Occupied and Unoccupied Electronic States of Au(111) Studied by Combined Use of AR1PPE and AR2PPE 2014/08
  • Photo-excited Carrier Dynamics of Topological Insulator Bi2Te3 Studied by Time- and Angle-resolved Two-photon Photoemission Spectroscopy 2014/08
  • システイン溶液中でAg表面に作製した薄膜の光電子分光II 2014/03
  • NaNO2における価電子帯光電子の共鳴効果 2014/03
  • 1光子および2光子光電子分光によるAu(111)の非占有電子構造研究 2014/03
  • 1光子および2光子光電子分光によるAu(111)の3次元バンド分散 2014/01
  • 2光子光電子分光による Au(111) の非占有バンド構造研究 2013/11
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究 2013/10
  • レーザーとシンクロトロン光を利用した時間分解光電子分光システムの開発 2013/09
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究 2013/09
  • NaNO2薄膜の内殻吸収と光電子分光 2013/06
  • Topological Phase Transitions Driven by Magnetic Phase Transitions in FexBi2Te3 (0≤x≤0.1) Single Crystals 2013/04
  • 時間分解光電子分光によるトポロジカル絶縁体Bi2Te3の励起電子ダイナミクスII 2013/03
  • マグネリ相チタン酸化物における電荷秩序状態の光電子分光 2013/03
  • Photostimulated detection of defect formation in BaF2 under irradiation of synchrotron radiation 2013/02
  • 放射光とレーザーによるポンプ-プローブ型時間分解光電子分光システムの開発 2013/01
  • Unoccupied band dispersion of Si(111):√3×√3-Ag surface studied by time- and angle-resolved two-photon photoemission spectroscopy 2012/12
  • Time-Resolved Photoemission Measurements Using Synchrotron Radiation and Laser 2012/11
  • Photo-induced insulator-metal transition in magneli-phase Ti4O7 studied by time-resolved photoemission measurement 2012/09
  • 時間分解光電子分光によるトポロジカル絶縁体Bi2Te3の励起電子ダイナミクス 2012/09
  • Upgrade of Saga-university beamline in SAGA-LS 2012/07
  • Electronic States on Bi2Te3 Studied by Angle-Resolved Photoelectron Spectroscopy Using Synchrotron Radiation 2012/04
  • 佐賀大学ビームラインBL13における時間分解光電子分光システムの開発と性能評価 2012/03
  • Ti4O7における光誘起相のレーザー時間分解光電子分光 2012/03
  • 放射光とレーザーの組み合わせによる時間分解光電子分光ビームライン 2011/12
  • 放射光とレーザーの組み合わせによる光誘起現象 2011/11
  • シンクロトロン光とレーザーによるポンプープローブ型時間分解光電子分光システムの開発 2011/09
  • Ti4O7における光誘起相の光電子分光 2010/09
  • Performance of Saga-University Beamline with Planer Undulator 2010/07
  • Direct observation of the dispersion and relaxation of photo-excited electrons in InAs 2010/03
  • Hemin薄膜の作製と光電子分光II 2010/03
  • Hemin薄膜の作製と光電子分光 2010/01
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究 2009/10
  • Hemin薄膜の作製と光電子分光 2009/09
  • 新しい時間分解光電子分光法の開発と励起電子状態の研究 2009/03
  • Dynamics of photo-excited carriers on GaAs(100) surface studied by ultrafast time-resolved photoemission 2009/01
  • InAsにおける光励起キャリアの時間分解光電子分光測定 2008/09
  • InAsの光起電力効果 2008/03
  • Ultrafast Time Dependence of Surface Photo-Voltage Effect on p-type GaAs(100) Surface 2008/01
  • p-GaAs(100)表面におけるSPV効果の超高速時間時間変化 2007/09
  • Cr/n-GaAs(100)表面における超高速時間分解光電子分光 2007/06
  • Cr/n-GaAs(100)表面における超高速時間分解光電子分光 2007/03
  • Ultrafast Decay of Surface Photo-Voltage Effect on n-type GaAs(100) Surface 2007
  • Development of the Experimental System for Time- and Angle-resolved Photoemission Spectroscopy 2007
  • 高繰り返し再生増幅器を用いた超高速時間分解光電子分光システムの開発 2006/12
  • Infrared absorption change in single-walled carbon nanotubes observed by combination spectroscopy of synchrotron radiation and laser 2006/11
  • n-type GaAs(100)表面における超高速光励起キャリアダイナミクス 2006/09
  • n-type GaAs(100)表面におけるキャリアダイナミクスの解明 2005/09
  • n-type GaAs(100)表面における超高速時間分解光電子分光 2005/03
  • Development of the Ultrafast Time-Resolved Photoelectron Spectroscopy 2005/02
  • n-GaAs(100)表面における超高速時間分解光電子分光 2005/01
  • Time-resolved photoemission micro-spectrometer using higher-order harmonics of Ti:sapphire laser 2005
  • Time-resolved study of Auger-free luminescence in two-photon excited BaF2 with use of synchrotron radiation and laser 2005
  • Two-Photon Spectroscopy of Core Excitons in Barium Fluoride Using Synchrotron Radiation and Laser Light 2005
  • Laser-induced infrared absorption in lead tungstate observed by laser-SR combined spectroscopy 2005
  • 中赤外領域におけるSWNTのレーザー誘起吸収変化 2004/09

Original Articles

  • Two-dimensional band dispersion of ultraflat hexagonal bismuthene grown on Ag(111) bulk and quantum-well films; 2023/10
    ANNOUNCEMENT INFO.; Physical Review B, 108, 16, L161407
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Haruto Ikeda, Ryosuke Koyama, Isamu Yamamoto, and Junpei Azuma
  • Optical film-thinning of graphene epitaxially grown on 4H-SiC(0001): robustness of monolayer-graphene against the photoexcitation; 2023/03
    ANNOUNCEMENT INFO.; Journal of Physics: Condensed Matter, 35, 195401
    AUTHOR; Ryosuke Horie, Ryuichi Hirosue, Jun’ichi Kanasaki, Kenji Kisoda, Isamu Yamamoto, Junpei Azuma and Kazutoshi Takahashi
  • Angle-resolved photoemission measurement along the van-der-Waals stacking direction of ZrTe3; 2022/08
    ANNOUNCEMENT INFO.; Journal of the Physical Society of Japan, 91, 094708
    AUTHOR; Makoto Maki, Yuji Fujimoto, Isamu Yamamoto, Junpei Azuma, Sora Kobayashi, Satoshi Demura, Hideaki Sakata
  • Variation in zinc phthalocyanine molecular orientation on SrTiO3(100) surface; 2022/08
    ANNOUNCEMENT INFO.; Surface Science, 726, 122162
    AUTHOR; Isamu Yamamoto, Masaki Imamura, Junpei Azuma, Kazutoshi Takahashi
  • Thickness dependent band structure of α-bismuthine grown on epitaxial graphene; 2022/04
    ANNOUNCEMENT INFO.; J. Phys. Cond. Matter, 34, 235502
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, and Junpei Azuma
  • Photoinduced intragap excitations in the incommensurate charge density wave phase of Rb0.3MoO3; 2021/07
    ANNOUNCEMENT INFO.; Physics Letters A
    AUTHOR; Makoto Maki, Kazuki Matsuo, Emi Koga, Isamu Yamamoto, Junpei Azuma
  • Structural analyses of Gd3(Al,Ga)5O12 garnet solid solutions via X-ray and UV absorption spectroscopy experiments for Gd atoms; 2021/03
    ANNOUNCEMENT INFO.; Journal of Alloys and Compounds, 867, 159055_1-159055_7
    AUTHOR; Mamoru Kitaura, Kei Kamada, Toshiaki Ina, Hisanori Yamane, Manabu Ishizaki, Shinta Watanabe, Junpei Azuma, Isamu Yamamoto, Akimasa Ohnishi, Takeshi Usuki
  • One dimensionality of the spin-polarized surface conduction and valence bands on Bi/GaSb(110)-(2x1); 2020/06
    ANNOUNCEMENT INFO.; Phys. Rev. B, 101, 235306
    AUTHOR; Yoshiyuki Ohtsubo, Naoki Tokumasu, Hiroshi Watanabe,Takuto Nakamura, Patrick Le Fevre, Francois Bertran, Masaki Imamura, Isamu Yamamoto, Junpei Azuma, Kazutoshi Takahashi, and Shin-ichi Kimura
  • Self-organized formation of chemical bonding in misfit-layered bismuth-based cobaltites; 2019/03
    ANNOUNCEMENT INFO.; Journal of Electron Spectroscopy and Related Phenomena, 232, 95-99
    AUTHOR; Makoto Maki, Sho-ichi Takakura, Isamu Yamamoto, Junpei Azuma
  • Circular dichroism in angle-resolved photoemission mapping of surface state on Bi(111); 2019/01
    ANNOUNCEMENT INFO.; AIP Conference Proceedings, 2054, 040011_1-040011_5
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, and Junpei Azuma
  • Electronic structure of the surface unoccupied band of Ge(001)-c(4x2): Direct imaging of surface electron relaxation pathways; 2017/09
    ANNOUNCEMENT INFO.; Phys. Rev. B, 96, 115301-1~115301-7
    AUTHOR; J. Kanasaki, I. Yamamoto, J. Azuma and S. Fukatsu
  • Interlayer coupling and electronic structure of misfit-layered bismuth-based cobaltites; 2017/06
    ANNOUNCEMENT INFO.; Phys. Rev. B, 95, 195166-1~195166-5
    AUTHOR; Sho-ichi Takakura, Isamu Yamamoto, Eishi Tanaka, Junpei Azuma, and Makoto Maki
  • Energy location of Ce3+ 4f level and majority carrier type in Gd3Al2Ga3O12:Ce crystals studied by surface photovoltage spectroscopy; 2017/06
    ANNOUNCEMENT INFO.; Appl. Phys. Lett., 110, 251101-1~251101-4
    AUTHOR; Mamoru Kitaura, Junpei Azuma, Manabu Ishizaki, Kei Kamada, Shunsuke Kurosawa, Shinta Watanabe, Akimasa Ohnishi, and Kazuhiko Hara
  • Occupied and unoccupied electronic structures of an L-cysteine film studied by absorption and resonant photoelectron spectroscopies; 2016/04
    ANNOUNCEMENT INFO.; Journal of Applied Physics, 6, 045306
    AUTHOR; M. KAMADA, T. HIDESHIMA, J. AZUMA, I. YAMAMOTO, M. IMAMURA, and K. TAKAHASHI
  • Temperature-dependent Fermi surface of misfit cobaltite [Bi2Sr2O4]0:51CoO2: A comparison with [Bi2Ba2O4]0:50CoO2; 2016/03
    ANNOUNCEMENT INFO.; Physical Review B, 93, 165118
    AUTHOR; Sho-ichi Takakura, Isamu Yamamoto, Emi Koga, Fusao Ichikawa, Junpei Azuma, and Makoto Maki
  • Impurity-Induced First-order Phase Transitions in Highly Crystalline V2O3 Nanocrystals; 2015/08
    ANNOUNCEMENT INFO.; Advanced Materials Interfaces, 2, 1500132
    AUTHOR; Y. Ishiwata, E. Takahashi, K. Akashi, M. Imamura, J. Azuma, K. Takahashi, M. Kamada, H. Ishii, Y.-F. Liao, Y. Tezuka, Y. Inagaki, T. Kawae, D. Nishio-Hamane, M. Nantoh, K. Ishibashi , T. Kida
  • Photo-induced valence change of the sulfur atom in an L-cysteine thin film grown on a silver metal substrate in a saliva-emulated aqueous solution; 2015/05
    ANNOUNCEMENT INFO.; Appl. Phys. Lett., 106, 173702
    AUTHOR; Toru Tsujibayashi, Junpei Azuma, Isamu Yamamoto, Kazutoshi Takahashi, and Masao Kamada
  • Photoelectron Spectroscopic Study on Decay Processes of Core-Excited States of NaNO2; 2015/03
    ANNOUNCEMENT INFO.; J. Phys. Soc. Jpn., 84, 054707
    AUTHOR; M. Kamada, J. Azuma, Y. Ueda, I. Yamamoto, M. Imamura, K. Takahashi
  • Anomalous photoelectric emission from Ag on a zinc-phthalocyanine film; 2014/05
    ANNOUNCEMENT INFO.; Appl. Phys Lett., 104, 193304
    AUTHOR; S. Tanaka, T. Otani, K. Fukuzawa, I. Hiromitsu, K. Ogawa, J. Azuma, I. Yamamoto, K. Takahashi, and M. Kamada
  • Image potential states on monolayer, bilayer and trilayer epitaxial graphene studied by time- and angle-resolved two-photon photoemission spectroscopy; 2014/04
    ANNOUNCEMENT INFO.; Phys. Rev. B, 89, 15, 155303
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, Junpei Azuma, and Masao Kamada
  • Topological Phase Transitions Driven by Magnetic Phase Transitions in FexBi2Te3 (0≤x≤0.1) Single Crystals; 2013/04
    ANNOUNCEMENT INFO.; Phys. Rev. Lett., 110, 136601
    AUTHOR; Heon-Jung Kim, Ki-Seok Kim, J.-F. Wang, V. A. Kulbachinskii, K. Ogawa, M. Sasaki, A. Ohnishi, M. Kitaura, Y.-Y. Wu, L. Li, I. Yamamoto, J. Azuma, M. Kamada, and V. Dobrosavljević
  • Electronic structure of the L-cysteine films on dental alloys studied by ultraviolet photoelectron spectroscopy; 2013/03
    ANNOUNCEMENT INFO.; Journal of Physics: Conference Series, 417, 012057
    AUTHOR; Koji Ogawa, Toru Tsujibayashi, Kazutoshi Takahashi, Junpei Azuma, Masayoshi Ichimiya, Hitoshi Fujimoto, Michinori Sumimoto, and Masao Kamada
  • Photostimulated detection of defect formation in BaF2 under irradiation of synchrotron radiation; 2013/02
    ANNOUNCEMENT INFO.; Phys. Status Solidi B, 250, 396-401
    AUTHOR; Masayuki Watanabe, Junpei Azuma, Shuji Asaka, Toru Tsujibayashi, Osamu Arimoto, Shunsuke Nakanishi, Hiroshi Itoh, and Masao Kamada
  • Electronic structures in unoccupied states of thin Bi film studied with two-photon photoemission spectroscopy; 2013/02
    ANNOUNCEMENT INFO.; Appl. Surf. Sci., 267, 66-69
    AUTHOR; M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M .Kamada
  • Time-resolved two-photon photoemission study of silicon surface at initial stage of oxidation; 2013/02
    ANNOUNCEMENT INFO.; Appl. Surf. Sci., 267, 154-158
    AUTHOR; K. Takahashi, K. Ishibashi, Y. Kurahashi, M. Imamura, J. Azuma, M. Kamada
  • Unoccupied band dispersion of Si(111):√3×√3-Ag surface studied by time- and angle-resolved two-photon photoemission spectroscopy; 2012/12
    ANNOUNCEMENT INFO.; Journal of Electron Spectroscopy and Related Phenomena, 185, 547-551
    AUTHOR; Kazutoshi Takahashi, Junpei Azuma, and Masao Kamada
  • Photoelectron spectroscopic study on the interaction of L-cysteine with the silver-based dental alloy; 2012/07
    ANNOUNCEMENT INFO.; J. Appl. Phys., 112, 023715
    AUTHOR; Koji Ogawa, Toru Tsujibayashi , Kazutoshi Takahashi , Junpei Azuma , Masao Kamada
  • Surface electronic structure of Bi2Te3(111) studied by high-resolution photoelectron spectroscopy using synchrotron radiation; 2012/04
    ANNOUNCEMENT INFO.; Phys. Rev. B, 85, 165431
    AUTHOR; Koji Ogawa, Junpei Azuma, Kazutoshi Takahashi, Masao Kamada, Minoru Sasaki, Akimasa Ohnishi, Mamoru Kitaura, and Heon-Jung Kim
  • Electronic States on Bi2Te3 Studied by Angle-Resolved Photoelectron Spectroscopy Using Synchrotron Radiation; 2012/04
    ANNOUNCEMENT INFO.; e-J. Surf. Sci. Nanotech., 10, 117-120
    AUTHOR; Koji Ogawa, Junpei Azuma, Kazutoshi Takahashi, Masao Kamada, Minoru Sasaki, Akimasa Ohnishi, Mamoru Kitaura, and Heon-Jung Kim
  • Two-dimensional band dispersion and momentum-resolved lifetime of image-potential state on graphite studied by angle-resolved multi-photon photoemission spectroscopy; 2012/02
    ANNOUNCEMENT INFO.; Phys. Rev. B., 85, 7, 075325
    AUTHOR; Kazutoshi Takahashi, Junpei Azuma, and Masao Kamada
  • Surface Photo-Voltage Effect on Cr/GaAs(100) Studied by Photoemission Spectroscopy with the Combination of Synchrotron Radiation and Laser; 2011/12
    ANNOUNCEMENT INFO.; J. Appl. Phys., 110, 113711
    AUTHOR; Kazutoshi Takahashi, Shinji Tokudomi , Yusuke Nagata , Junpei Azuma , Masao Kamada
  • The observation of unoccupied quantum-well states in Bi thin film grown on Si(111) by two-photon photoemission spectroscopy; 2011/12
    ANNOUNCEMENT INFO.; Appl. Phys. Lett., 99, 243101
    AUTHOR; Shuji Fujimasa, Masaki Imamura, Kazutoshi Takahashi, Isamu Yamamoto, Junpei Azuma, Masao Kamada
  • Photoelectron spectroscopic study on the electronic structures of the dental gold alloys and their interaction with L-cysteine; 2011/11
    ANNOUNCEMENT INFO.; J. Appl. Phys., 110, 103718
    AUTHOR; Koji Ogawa, Toru Tsujibayashi, Kazutoshi Takahashi, Junpei Azuma, Masayoshi Ichimiya, Hitoshi Fujimoto, Michinori Sumimoto, Masao Kamada
  • Valence electronic states of p-type β-FeSi2 single crystal studied by high-resolution and resonant photoelectron spectroscopy; 2011/07
    ANNOUNCEMENT INFO.; Appl. Phys. Lett., 99, 022107
    AUTHOR; Koji Ogawa, Minoru Sasaki, Akimasa Ohnishi, Mamoru Kitaura, Hitoshi Fujimoto, Junpei Azuma, Kazutoshi Takahashi, and Masao Kamada
  • A study of an electron affinity of cesium telluride thin film; 2011/06
    ANNOUNCEMENT INFO.; J. Phys.: Conf. Ser., 289, 012014
    AUTHOR; H Sugiyama, K Ogawa, J Azuma, K Takahashi, M Kamada, T Nishitani, M Tabuchi, T. Motoki, K. Takashima, A. Era and Y. Takeda
  • Photoemission study on the valence band of a β-FeSi2 thin film using synchrotron radiation; 2011/05
    ANNOUNCEMENT INFO.; Dalton Trans., 40, 6023-6027
    AUTHOR; Hitoshi Fujimoto, Koji Ogawa, Kenichi Takarabe, Haruhiko Udono, Harue Sugiyama, Junpei Azuma, Kazutoshi Takahashi, and Masao Kamada
  • Excited electronic state on Si(001) surface at initial stage of oxidation studied by two-photon photoemission spectroscopy; 2011/04
    ANNOUNCEMENT INFO.; Journal of Electron Spectroscopy and Related Phenomena, 184, 304-308
    AUTHOR; Kazutoshi Takahashi, Yusuke Kurahashi, Takeshi Koga, Junpei Azuma, Masao Kamada
  • Electronic structures of the L-cysteine film on dental alloys; 2011/04
    ANNOUNCEMENT INFO.; Journal of Electron Spectroscopy and Related Phenomena, 184, 327-330
    AUTHOR; K. Ogawa, T. Tsujibayashi, K. Takahashi, J. Azuma, K. Kakimoto, M. Kamada
  • Valence electronic structure of β-FeSi2 single crystal investigated by photoelectron spectroscopy using synchrotron radiation; 2011/02
    ANNOUNCEMENT INFO.; Physics Procedia, 11, 63-66
    AUTHOR; K. Ogawa, M. Sasaki, A. Ohnishi, M. Kitaura, H. Fujimoto, J. Azuma, K. Takahashi and M. Kamada
  • Adaptation of UVSOR-Type Plane-Grating Monochromator in Saga; 2010/07
    ANNOUNCEMENT INFO.; AIP Conference Proceedings, 1234, 685-688
    AUTHOR; H. Sugiyama, K. Takahashi, K. Ogawa, J. Azuma, and M. Kamada
  • Performance of Saga-University Beamline with Planer Undulator; 2010/07
    ANNOUNCEMENT INFO.; AIP Conference Proceedings, 1234, 351-354
    AUTHOR; J. Azuma, K. Takahashi, M. Kamada, H. Ohkuma, and S. Yamamoto
  • Direct observation of the dispersion and relaxation of photo-excited electrons in InAs; 2010/03
    ANNOUNCEMENT INFO.; Phys. Rev. B, 81, 11, 113203
    AUTHOR; J. Azuma, K. Takahashi and M. Kamada
  • Photoelectron Spectroscopic Study of Electronic Structures in L-Cysteine; 2010/03
    ANNOUNCEMENT INFO.; J. Phys. Soc. Jpn., 79, 3, 034709
    AUTHOR; M. Kamada, H. Sugiyama, K. Takahashi, J. Azuma, S. Kitajima, K. Ogawa, M. Sumimoto, K. Hori, and H. Fujimoto
  • Dynamics of photo-excited carriers on GaAs(100) surface studied by ultrafast time-resolved photoemission; 2009/01
    ANNOUNCEMENT INFO.; Phys. Stat. Sol. (c), 6, 1, 307-310
    AUTHOR; J. Azuma, S. Tokudomi, K. Takahashi and M. Kamada
  • Photostimulated detection of radiation defects produced by VUV light in BaF2; 2009
    ANNOUNCEMENT INFO.; Radiation Measurements, 1-3
    AUTHOR; O. Arimoto, M. Watanabe, T. Tsujibayashi, J. Azuma, M. Kamada, S. Nakanishi, H. Itoh and M. Itoh
  • Ultrafast Time Dependence of Surface Photo-Voltage Effect on p-type GaAs(100) Surface; 2008/01
    ANNOUNCEMENT INFO.; Journal of Physical Society Japan, 77
    AUTHOR; S. Tokudomi, J. Azuma, K. Takahashi and M. Kamada
  • Ultrafast Decay of Surface Photo-Voltage Effect on n-type GaAs(100) Surface; 2007
    ANNOUNCEMENT INFO.; , 76
    AUTHOR; S. Tokudomi, J. Azuma, K. Takahashi and M. Kamada
  • Development of the Experimental System for Time- and Angle-resolved Photoemission Spectroscopy; 2007
    ANNOUNCEMENT INFO.; AIP series of conference proceedings, 879, 1218
    AUTHOR; K. Takahashi, J. Azuma, S. Tokudomi and M. Kamada
  • Core exciton migration in Rb0.82Cs0.18Cl under excitation with synchrotron radiation and laser light; 2007
    ANNOUNCEMENT INFO.; Journal of Luminescence, 122
    AUTHOR; T. Tsujibayashi, J. Azuma, Y. Inabe, K. Toyoda, M. Kamada and M. Itoh
  • Infrared absorption change in single-walled carbon nanotubes observed by combination spectroscopy of synchrotron radiation and laser; 2006/11
    ANNOUNCEMENT INFO.; Journal of Synchrotron Radiation, 13
    AUTHOR; J. Azuma, M. Itoh, M. Koike, M. Kamada and M. Endo
  • Beamline for high-resolution angle-resolved photoemission at Saga Light Source; 2005
    ANNOUNCEMENT INFO.; Journal of Electron Spectroscopy and Related Phenomena, 144
    AUTHOR; K. Takahashi, Y. Kondo, J. Azuma and M. Kamada
  • Time-resolved study of Auger-free luminescence in two-photon excited BaF2 with use of synchrotron radiation and laser; 2005
    ANNOUNCEMENT INFO.; phys. stat. sol. (c), 2
    AUTHOR; T. Tsujibayashi, M. Itoh, J. Azuma, M. Watanabe, O. Arimoto, K. Toyoda, S. Nakanishi, H. Itoh and M. Kamada
  • Two-Photon Spectroscopy of Core Excitons in Barium Fluoride Using Synchrotron Radiation and Laser Light; 2005
    ANNOUNCEMENT INFO.; Phys. Rev. Lett., 94
    AUTHOR; T. Tsujibayashi, M. Itoh, J. Azuma, M. Watanabe, O. Arimoto, S. Nakanishi, H. Itoh and M. Kamada
  • Pump and Probe Spectroscopy using SR and Laser; 2005
    ANNOUNCEMENT INFO.; Proceedings of International Conference VUVS 2005
    AUTHOR; M. Kamada, J. Azuma, S. Tokudomi, S. Tanaka and K. Takahashi
  • Laser-induced infrared absorption in lead tungstate observed by laser-SR combined spectroscopy; 2005
    ANNOUNCEMENT INFO.; Journal of Luminescence, 119
    AUTHOR; M. Itoh, J. Azuma, T. Shimizu, M. Kamada, M. Kobayashi and Y. Usuki
  • Surface photovoltage effect and its time dependence in GaAs-GaAsP superlattice studied with combination of synchrotron and laser radiatio; 2004
    ANNOUNCEMENT INFO.; JOURNAL OF APPLIED PHYSICS, 95, 2
    AUTHOR; Tanaka, S / Nishitani, T / Nakanishi, T / More, S. D. / Azuma, J / Takahashi, K / Watanabe, O / Kamada, M
  • Design of Grazing Incident Monochromator for Saga Synchrotron Light; 2003/07
    ANNOUNCEMENT INFO.; AIP Conference Proceedings, 705
    AUTHOR; Y. Kondo, J. Azuma K. Takahashi and M. Kamada
  • Time-resolved photoemission system in nano- and micro-second region using SR and laser; 2003/07
    ANNOUNCEMENT INFO.; AIP Conference Proceedings, 705
    AUTHOR; K. Takahashi, S. Tanaka, J. Azuma and M. Kamada

Material, Commentary, Editorials, Research Report, A Comprehensive Journal Articles

  • 放射光とレーザーの組み合わせによる新しい分光法; 2003
    ANNOUNCEMENT INFO.; , 34
    AUTHOR; 

General Lectures

  • Time-resolved photoemission study of photo-excited carrier dynamics in zinc phthalocyanine thin films grown on HOPG substrate; 2024/03
    ANNOUNCEMENT INFO.; NanospecFY2023 Frontier of Nano- & Atomic-scale Characterization, 2024.3.4-5, Okazaki
    AUTHOR; Isamu Yamamoto, Azuma Junpei, Masaki Imamura, Kazutoshi Takahashi
  • High resolution analysis of hole subband probed by AR2PPE; 2024/02
    ANNOUNCEMENT INFO.; 
    AUTHOR; Tomohiro Sakata, Sakura N Takeda, Isamu Yamamoto, Junpei Azuma, Taichi Ono, Rima Horie, Hayato Okumura, Ryota Ichikawa, Keiichi Yamada, Hiroaki Miyata
  • Electronic band structure of ultraflat hexagonal bismuthene; 2024/02
    ANNOUNCEMENT INFO.; International Symposium on Quantum Electronics (TSQS2024) 2024.2.13-16, Tokyo
    AUTHOR; M. Imamura, H. Ikeda, R. Koyama, I. Yamamoto, J. Azuma, and K. Takahashi
  • Surface Atomic Structure and Valence Band Structure of Bulk SiGe Single Crystals; 2023/12
    ANNOUNCEMENT INFO.; The 3rd Materials Research Meeting (MRM 2023) The 24th IUMRS-International Conference in Asia (IUMRS-ICA 2023), Kyoto International Conference Center, Japan, 2023.12.11-16
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Yuuki Umeda, Isamu Yamamoto, Junpei Azuma, Marina Takaira, Yoshihumi Ikoma, Yasutomo Arai
  • Status of Saga University Beamline; 2023/10
    ANNOUNCEMENT INFO.; 60 years of Synchrotron Radiation in Japan (JPSR60), Okazaki 2023.10.24-25
    AUTHOR; Kazutoshi Takahashi, Junpei Azuma, Masaki Imamura, Isamu Yamamoto, Deng Gaofeng, Katsuhiko Saito, and Qixin Guo
  • Angle-resolved photoemission study of ultra-flat bismuthene grown on Ag(111); 2023/10
    ANNOUNCEMENT INFO.; Annual Meeting of the Japan Society of Vacuum and Surface Science 2023, 2023.10.31-11.2 Nagoya
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Haruto Ikeda, Ryosuke Koyama, Isamu Yamamoto, Junpei Azuma
  • Analysis of Unoccupied Electronic States using Angle-resolved Two-photon Photoelectron Spectroscopy; 2023/02
    ANNOUNCEMENT INFO.; 28th Workshop on Electron Device Interface Technology
    AUTHOR; Tomohiro Sakata, Hiroaki Miyata, Keiichi Yamada, Sawada Keisuke, Isamu Yamamoto, Junpei Azuma
  • Ge(001)微傾斜面に成長させたBi(111)薄膜の電子状態; 2023/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光光電子分光によるTi4O7の電子状態; 2023/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Photo-excited electron dynamics of zinc phthalocyanine thin films on graphite substrates; 2022/09
    ANNOUNCEMENT INFO.; The 22nd International Vacuum Congress(IVC-22), Sapporo, Japan, 2022.9.11-16
    AUTHOR; Sho Nagatomo, Isamu Yamamoto, Junpei Azuma, Masaki Imamura, Kazutoshi Takahashi
  • Surface Band Bending of Ag-doped Mg2Si Crystals Revealed by Photoelectron Spectroscopy using Synchrotron Radiation and Laser; 2022/09
    ANNOUNCEMENT INFO.; The 22nd International Vacuum Congress(IVC-22), Sapporo, Japan, 2022.9.11-16
    AUTHOR; Mamoru Kitaura, Isamu Yamamoto, Junpei Azuma, Masaki Imanura, Kazutoshi Takahashi, Taku Tanimoto, Manabu Ishizaki, Haruhiko Udono, Kiyohisa Tanaka, Akimasa Ohnishi
  • Spectroscopic studies of laser-induced structural modifications of graphene layers epitaxially-grown on SiC(0001); 2022/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; Ryosuke Horie, Ryu'ichi Hirosue, Jun'ichi Kanasaki, Kenji Kisoda, Isamu Yamamoto, Junpei Azuma, Kazutoshi Takahashi
  • Electronic band structures of Magneli phase Ti4O7 studied by angle-resolved photoemission spectroscopy; 2022/09
    ANNOUNCEMENT INFO.; The 22nd International Vacuum Congress(IVC-22), Sapporo, Japan, 2022.9.11-16
    AUTHOR; Kotaro Furuta, Junpei Azuma, Isamu Yamamoto, Masayuki Watanabe, Kazutoshi Takahashi
  • Surface photovoltage effect for n-type Mg2Si(111); 2022/07
    ANNOUNCEMENT INFO.; The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials
    AUTHOR; Taku Tanimoto, Mamoru Kitaura, Junpei Azuma, Isamu Yamamoto, Masaki Imamura, Kazutoshi Takahashi, Haruhiko Udono, Kiyohisa Tanaka and Akimasa Ohnishi
  • 亜鉛フタロシアニン薄膜/HOPG 基板界面におけるキャリアダイナミクス; 2022/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解光電子分光によるTi4O7の電子状態; 2022/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Bi/GaSb(110)-(2×1)表面の非占有電子状態におけるRashba型スピン軌道相互作用; 2019/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光でみた Rb0.3MoO3の 電荷密度波の非平衡ダイナミクスⅡ; 2019/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解光電子分光によるCdO(001)上Bi超薄膜の電子状態の研究; 2019/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光でみたRb0.3MoO3の電荷密度波の非平衡ダイナミクス; 2019/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Band Structure and Electron Dynamics at Ge(001) and (111) Surfaces; 2016/12
    ANNOUNCEMENT INFO.; The 20th SANKEN International / The 15th SANKEN Nanotechnology Symposium
    AUTHOR; Jun'ichi Kanasaki, Isamu Yamamoto, Junpei Azuma, Susumu Fukatsu
  • Electronic structure of ultrathin Bi(110) films on epitaxial graphene studied by SR and laser photoemission spectroscopy; 2016/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, and Junpei Azuma
  • Angle-resolved photoemission study of ultrathin Bi(110) films grown on epitaxial graphene; 2016/07
    ANNOUNCEMENT INFO.; The 39th International Conference of Vacuum Ultraviolet and X-ray Physics (VUVX2016), Zurich, 2016.7.3-8
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, and Junpei Azuma
  • ARPES でみた[Bi2Sr2O4]0.51CoO2における電子状態の温度変化; 2016/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 含硫アミノ酸溶液中で Ag 表面に作製した薄膜の光電子分光; 2016/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解内殻光電子分光によるZnO/ZnTe(111)ヘテロ接合における光起電力効果; 2016/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Interface Oxidation and Carrier Lifetime of Graphene/SiC(0001) Studied by Synchrotron Radiation and Laser Photoemission Spectroscopy; 2015/11
    ANNOUNCEMENT INFO.; The 15th International Conference on the Formation of Semiconductor Interfaces
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, Junpei Azuma, and Masao Kamada
  • Linear Dichroism of Topological Surface State Studied by Angle-Resolved Multi-Photon Photoemission Spectroscopy; 2015/11
    ANNOUNCEMENT INFO.; The 15th International Conference on the Formation of Semiconductor Interfaces
    AUTHOR; I. Yamamoto, Y, Nogata, J. Azuma, M. Imamura, K, Takahashi and M. Kamada
  • 時間分解光電子分光でみたK0.3MoO3の電荷密度波; 2015/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Unoccupied Electronic Structures of Bi2Te3(111) Studied by Angle-Resolved Multi-Photoemission Spectroscopy; 2015/09
    ANNOUNCEMENT INFO.; The 15th International Conference on Electronic Structure and Spectroscopy
    AUTHOR; I. Yamamoto, Y. Nogata, J. Azuma, M. Imamura, K. Takahashi, M. Kamada
  • Photo-induced insulator-metal transition in Ti4O7 studied by time-resolved photoemission measurement; 2015/05
    ANNOUNCEMENT INFO.; The 9th International Symposium on Ultrafast Surface Dynamics
    AUTHOR; Junpei Azuma, Masayuki Watanabe, and Masao Kamada
  • Two-Photon Photoemission Study of Hydrogen and Oxygen Intercalated Graphene on SiC(0001); 2015/05
    ANNOUNCEMENT INFO.; The 9th International Symposium on Ultrafast Surface Dynamics
    AUTHOR; Kazutoshi Takahashi, Masaki Imamura, Isamu Yamamoto, Junpei Azuma and Masao Kamada
  • Image Potential States of Bi2Te3(111) Studied by Time-Resolved 2-Photon Photoemission Spectroscopy; 2015/05
    ANNOUNCEMENT INFO.; The 9th International Symposium on Ultrafast Surface Dynamics
    AUTHOR; I. Yamamoto, Y. Nogata, J. Azuma, M. Imamura, K. Takahashi, M. Kamada
  • 二光子光電子分光を用いた半導体の占有・非占有電子状態の研究; 2015/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解2光子光電子分光によるBi2Te3表面の鏡像準位と励起電子ダイナミクス; 2015/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光によるK0.3MoO3のCDWギャップ変化の観測; 2015/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • V2O3ナノ結晶の不純物誘起金属絶縁体転移; 2015/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • レーザー光電子分光を用いたV2O3の金属-絶縁体転移に関する研究; 2014/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上準自立2層グラフェンの時間分解2光子光電子分光; 2014/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解多光子光電子分光によるBi2Te3の非占有電子状態; 2014/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解光電子分光によるミスフィットコバルト酸化物のフェルミ面観測; 2014/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Photo-induced Valence Change of the L-cysteine/Ag Grown in the Aqueous Solution; 2014/08
    ANNOUNCEMENT INFO.; IUMRS-ICA 2014, Fukuoka Univ.
    AUTHOR; T. Tsujibayashi, J. Azuma, I. Yamamoto, K. Takahashi and M. Kamada
  • Occupied and Unoccupied Electronic States of Au(111) Studied by Combined Use of AR1PPE and AR2PPE; 2014/08
    ANNOUNCEMENT INFO.; IUMRS-ICA 2014, Fukuoka Univ.
    AUTHOR; Y. Nogata, I. Yamamoto, J. Azuma, M. Imamura, K. Takahashi and M. Kamada
  • Photo-excited Carrier Dynamics of Topological Insulator Bi2Te3 Studied by Time- and Angle-resolved Two-photon Photoemission Spectroscopy; 2014/08
    ANNOUNCEMENT INFO.; IUMRS-ICA 2014, Fukuoka Univ.
    AUTHOR; I. Yamamoto, J. Azuma, K. Ogawa, M. Imamura, K. Takahashi and M. Kamada
  • Image-potential States on Epitaxial Graphene Grown on SiC(0001) Studied by Time- and Angle-resolved Two-photon Photoemission Spectroscopy; 2014/08
    ANNOUNCEMENT INFO.; IUMRS-ICA 2014, Fukuoka Univ.
    AUTHOR; K. Takahashi, M. Imamura, I. Yamamoto, J. Azuma and M. Kamada
  • システイン溶液中でAg表面に作製した薄膜の光電子分光; 2014/08
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 光電子分光を用いたBiAg表面の電子状態研究; 2014/08
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • ARPESでみるミスフィットコバルト酸化物の電子構造; 2014/08
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • ミスフィットコバルト酸化物における光電子スペクトルの温度変化; 2014/08
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • システイン溶液中でAg表面に作製した薄膜の光電子分光II; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • NaNO2における価電子帯光電子の共鳴効果; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • V2O3ナノ結晶におけるCrドープ量依存性; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2光子光電子分光によるBiAg合金表面の電子状態の研究; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 1光子および2光子光電子分光によるAu(111)の非占有電子構造研究; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上準自立2層グラフェンの放射光光電子分光; 2014/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光およびレーザーを励起光源とした光電子分光法によるBiAg合金ラシュバ平面の非占有電子状態の研究; 2014/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸システインの内殻吸収スペクトル; 2014/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 1光子および2光子光電子分光によるAu(111)の3次元バンド分散; 2014/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 界面を酸化させたSiC上エピタキシャルグラフェンの放射光およびレーザー光電子分光; 2014/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸システインの内殻吸収スペクトル; 2013/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2光子光電子分光による Au(111) の非占有バンド構造研究; 2013/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究; 2013/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC 上グラフェンの放射光およびレーザー光電子分光; 2013/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究; 2013/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上グラフェンの時間分解光電子分光; 2013/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2光子光電子分光によるBiAg(111)表面合金の電子状態の研究; 2013/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • NaNO2薄膜の内殻吸収と光電子分光; 2013/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上エピタキシャルグラフェンの占有・非占有電子状態の研究; 2013/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • NaNO2薄膜の時間分解光電子分光; 2013/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • BiAg/Ag(111)表面の非占有電子状態; 2013/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光によるトポロジカル絶縁体Bi2Te3の励起電子ダイナミクスII; 2013/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)上Agナノ薄膜の非占有量子化電子状態; 2013/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • マグネリ相チタン酸化物における電荷秩序状態の光電子分光; 2013/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上エピタキシャルグラフェンの1光子及び2光子光電子分光法による研究; 2013/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 分子性イオン結晶NaNO2の電子状態分析; 2013/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光とレーザーによるポンプ-プローブ型時間分解光電子分光システムの開発; 2013/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 1光子および2光子光電子分光によるSi(111)上Agナノ薄膜の量子化電子状態の研究; 2012/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Bi-Ag(111)表面合金の電子状態の研究; 2012/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Bi表面における非占有電子状態に関する研究; 2012/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸L-システイン薄膜の電子状態; 2012/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Photo-induced insulator-metal transition in magneli-phase Ti4O7 studied by time-resolved photoemission measurement; 2012/09
    ANNOUNCEMENT INFO.; 12th International Conference on Electron Spectroscopy and Structure, Saint-Malo, France, September 16-21, 2012
    AUTHOR; Junpei Azuma, Masayuki Watanabe, and Masao Kamada
  • 時間分解光電子分光によるトポロジカル絶縁体Bi2Te3の励起電子ダイナミクス; 2012/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • システイン溶液中でAg表面に作製した薄膜の光電子分光; 2012/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Study of Quantum Well States in Bi Thin Film by Two-photon Photoemission Spectroscopy; 2012/09
    ANNOUNCEMENT INFO.; The 12th International Conference on Electron Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France
    AUTHOR; M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M. Kamada, and H. Yasuda
  • Excited Electronic States on Epitaxial Graphene Studied by Two-photon Photoemission Spectroscopy; 2012/09
    ANNOUNCEMENT INFO.; The 12th International Conference on Electron Spectroscopy and Structure (ICESS-12), September 16-21, 2012, Saint-Malo, France
    AUTHOR; K. Takahashi, S. Anami, M. Imamura, I. Yamamoto, J. Azuma, and M. Kamada
  • Upgrade of Saga-university beamline in SAGA-LS; 2012/07
    ANNOUNCEMENT INFO.; The 11th International Conference on Synchrotron Radiation Instrumentation (SRI 2012), July 9-13, 2012
    AUTHOR; K. Takahashi, M. Imamura, I. Yamamoto, J. Azuma, K. Ogawa, M. Kamada, H. Ohkuma, and S. Yamamoto
  • Si上に成長したBi薄膜の量子化非占有電子状態; 2012/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)7x7上に成長させたBi(111)の非占有電子状態; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 佐賀大学ビームラインBL13における時間分解光電子分光システムの開発と性能評価; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SiC上エピタキシャルグラフェンの2光子光電子分光; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解光電子分光によるMnPc/Cu(100)の電子状態研究; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 歯科合金L-システイン薄膜の電子状態研究:基板依存性; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Ti4O7における光誘起相のレーザー時間分解光電子分光; 2012/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • SrAl2O4:Eu,Dyの発光特性の励起波長依存性; 2012/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光角度分解光電子光法によるBi2Te3電子状態の研究; 2012/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸L-Cysteine薄膜の光吸収スペクトルと電気的特性; 2012/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)-7×7上Agナノ薄膜の低エネルギー光電子分光による量子化電子状態の研究; 2012/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光とレーザーの組み合わせによる時間分解光電子分光ビームライン; 2011/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光とレーザーの組み合わせによる光誘起現象; 2011/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Electronic structures in unoccupied states of thin Bi film studied with two-photon photoemission spectroscopy; 2011/10
    ANNOUNCEMENT INFO.; 11th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN2011)
    AUTHOR; M. Imamura, S. Fujimasa, K. Takahashi, I. Yamamoto, J. Azuma, M .Kamada
  • Time-resolved two-photon photoemission study of silicon surface at initial stage of oxidation; 2011/10
    ANNOUNCEMENT INFO.; 11th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN2011)
    AUTHOR; K. Takahashi, K. Ishibashi, Y. Kurahashi, M. Imamura, J. Azuma, M. Kamada
  • MnPc/HOPG表面における鏡像準位と薄膜電子状態; 2011/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)上Bi薄膜の非占有量子化電子状態; 2011/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • グラファイト上の鏡像準位の時間分解角度分解2光子光電子分光; 2011/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光励起角度分解光電子光法によるBi2Te3の電子状態研究; 2011/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • シンクロトロン光とレーザーによるポンプープローブ型時間分解光電子分光システムの開発; 2011/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Occupied and Unoccupied Electronic States of Manganese Phthalocyanine Thin Films; 2011/08
    ANNOUNCEMENT INFO.; 28th European conference on surface science (ECOSS28)
    AUTHOR; I. Yamamoto, J. Azuma, M. Imamura, K. Ogawa, K. Takahashi and M. Kamada
  • 2光子光電子分光によるMnPc薄膜の非占有電子状態研究; 2011/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)上に成長したBi(111)表面の角度分解2光子光電子分光II; 2011/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間・角度分解2光子光電子光法によるCu(111)表面電子状態の研究II; 2011/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(111)7×7上に成長したBi薄膜の角度分解2光子光電子分光; 2011/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 歯科合金上L-システイン薄膜の放射光光電子分光を用いた電子状態研究; 2011/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間・角度分解2光子光電子光法によるCu(111)表面電子状態の研究(II); 2010/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Ti4O7における光誘起相の光電子分光; 2010/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光光電子分光による歯科合金上L-システイン薄膜の電子状態研究; 2010/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解2光子光電子分光によるSi(001)初期酸化表面の研究; 2010/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光光電子分光によるβ-FeSi2単結晶の電子状態研究; 2010/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Electronic structures of the L-cysteine film on dental alloys; 2010/07
    ANNOUNCEMENT INFO.; The 37th International conference on Vacuum Ultraviolet and X-ray Physics (VUVX2010)
    AUTHOR; K. Ogawa, T. Tsujibayashi, K. Takahashi, J. Azuma, K. Kakimoto, and M. Kamada
  • Excited electronic state on Si(001) surface at initial stage of oxidation studied by two-photon photoemission spectroscopy; 2010/07
    ANNOUNCEMENT INFO.; The 37th International conference on Vacuum Ultraviolet and X-ray Physics (VUVX2010)
    AUTHOR; K. Takahashi, Y. Kurahashi, T. Koga, J. Azuma, and M. Kamada
  • 時間分解2光子光電子分光によるSi(001)初期酸化表面の非占有電子状態の研究; 2010/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Hemin薄膜の作製と光電子分光II; 2010/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間・角度分解2光子光電子光法によるCu(111)表面電子状態の研究; 2010/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Si(001)初期酸化表面の時間分解角度分解2光子光電子分光; 2010/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Hemin薄膜の作製と光電子分光; 2010/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Time- and angle-resolved two-photon photoemission study for the image-potential state on graphite; 2009/10
    ANNOUNCEMENT INFO.; 11-th International Conference on Electronic Spectroscopy and Structure
    AUTHOR; Kazutoshi Takahashi, Junpei Azuma, Masao Kamada
  • Surface electronic states on Cu(111) studied by time- and angle-resolved two-photon photoemission spectroscopy; 2009/10
    ANNOUNCEMENT INFO.; 11-th International Conference on Electronic Spectroscopy and Structure
    AUTHOR; Koji Ogawa, Junpei Azuma, Kazutoshi Takahashi, Masao Kamada
  • 時間分解光電子分光法を用いた半導体表面における光起電力効果の研究; 2009/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Hemin薄膜の作製と光電子分光; 2009/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 新しい時間分解光電子分光法の開発と励起電子状態の研究; 2009/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 角度分解2光子光電子分光法によるグラファイト表面の鏡像準位の研究; 2009/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光によるSi(111)√3×√3-Ag表面の光起電力効果の研究; 2009/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光励起光電子分光を用いた環境半導体β-FeSi2電子状態の研究; 2009/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸L-システイン薄膜の光電子分析; 2009/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • InAsにおける光励起キャリアの時間分解光電子分光測定; 2008/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 放射光光電子分光法による環境半導体β-FeSi2の電子状態研究; 2008/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • マイクロ秒時間分解光電子分光によるSi(111)√3×√3-Ag表面の光誘起起電力効果の研究; 2008/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 時間分解光電子分光によるAg/Si(111)表面の励起電子状態の研究; 2008/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • InAsの光起電力効果; 2008/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • セシウムテルライド薄膜フォトカソードの電子親和性; 2008/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Ag/Si(111)表面の角度分解2光子光電子分光; 2008/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸システインの光電子分光; 2008/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • セシウムテルライド薄膜フォトカソードの電子親和性; 2008/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 佐賀大学専用ビームラインの性能評価; 2008/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸システインの光電子分光分析; 2007/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • p-GaAs(100)表面におけるSPV効果の超高速時間時間変化; 2007/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Cr/n-GaAs(100)表面における超高速時間分解光電子分光; 2007/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • アミノ酸システイン薄膜 の光電子分光; 2007/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Cr/n-GaAs(100)表面における超高速時間分解光電子分光; 2007/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 佐賀大学表面研究用ビームラインの現状; 2007/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • BL13平面回折格子分光器ビームラインの現状; 2007/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Ultrafast photoemission measurement for Surface Photo-Voltage effect on Cr/n-GaAs(100) surface; 2007
    ANNOUNCEMENT INFO.; The 15th International Conference on Vacuum Ultraviolet Radiation Physics
    AUTHOR; J. Azuma, S. Nagao, S. Tokudomi, K. Takahashi and M. Kamada
  • Ultrafast Time Dependence of Surface Photo-Voltage on GaAs(100); 2007
    ANNOUNCEMENT INFO.; The 15th International Conference on Vacuum Ultraviolet Radiation Physics
    AUTHOR; S. Tokudomi, J. Azuma, K. Takahashi and M. Kamada
  • Photoemission Study on Butterfly-Template ZnO; 2007
    ANNOUNCEMENT INFO.; The 15th International Conference on Vacuum Ultraviolet Radiation Physics
    AUTHOR; M. Kamada, H. Sugiyama, K. Takahashi, J. Azuma, J. Gu, W. Zhang, D. Zhang and Q. Guo
  • 佐賀シンクロトロンにおける平面回折格子分光器の性能評価; 2006/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 高繰り返し再生増幅器を用いた超高速時間分解光電子分光システムの開発; 2006/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • n-type GaAs(100)表面における超高速光励起キャリアダイナミクス; 2006/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • BL13表面・界面ダイナミクス研究用ビームラインの現状; 2006/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 九州シンクロトロンにおける表面・界面ダイナミクス研究用ビームラインの現状; 2006/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • n-type GaAs(100)表面におけるキャリアダイナミクスの解明; 2005/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • n-type GaAs(100)表面における超高速時間分解光電子分光; 2005/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Cr/p-GaAs(100)における表面光誘起起電力効果; 2005/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Development of the Ultrafast Time-Resolved Photoelectron Spectroscopy; 2005/02
    ANNOUNCEMENT INFO.; 2nd International Symposium on Technologies and Applications of Photoelectron Micro-Spectroscopy with Laser-based VUV sources
    AUTHOR; J. Azuma, S. Tokudomi, K. Takahashi and M. Kamada
  • 佐賀シンクロトロンにおける佐賀大学専用ビームラインの建設; 2005/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • n-GaAs(100)表面における超高速時間分解光電子分光; 2005/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Cr/n-GaAs(100)における表面光誘起起電力効果; 2005/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 佐賀大学専用ビームラインの制御ソフトウェアの開発; 2005/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Time-resolved photoemission micro-spectrometer using higher-order harmonics of Ti:sapphire laser; 2005
    ANNOUNCEMENT INFO.; The Fourteenth International Conference on Vacuum Ultraviolet Radiation Physics
    AUTHOR; J. Azuma, Y. Kondo and K. Kamada
  • 中赤外領域におけるSWNTのレーザー誘起吸収変化; 2004/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 表面界面研究用の九州シンクロトロン光ビームライン; 2004/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 

Invited Lecture, Special Lecture

  • レーザーとシンクロトロン光を利用した時間分解光電子分光システムの開発; 2013/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Time-Resolved Photoemission Measurements Using Synchrotron Radiation and Laser; 2012/11
    ANNOUNCEMENT INFO.; International Symposium on Advanced Materials Having Multi-Degrees-of-Freedom, Kumamoto, Japan, Nov. 1-2, 2012
    AUTHOR; Junpei Azuma, Masayuki Watanabe, Kazutoshi Takahashi, Isamu Yamamoto, Masaki Imamura, Harue Sugiyama, Koji Ogawa, and Masao Kamada
  • Time-resolved photoemission experiments with synchrotron radiation and laser; 2010/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; Kazutoshi Takahashi, Junpei Azuma, Masao Kamada


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