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    2025

  • "Linking structure and process in dendritic growth using persistent homology with energy analysis"

    Science and Technology of Advanced Materials : Methods, Vol.5, Issue 1 Article: 2475735 (2025)
    Misato Tone, Shunsuke Sato, Sotaro Kunii, Ippei Obayashi, Yasuaki Hiraoka, Yui Ogawa, Hirokazu Fukidome, Alexandre Lira Foggiatto, Chiharu Mitsumata, Ryunosuke Nagaoka, Arpita Varadwaj, Iwao Matsuda and Masato Kotsugi （詳細）

  • "Soft X-ray photoelectron spectroscopy under real ambient pressure conditions"

    Appl. Phys. Express, Volume18 Number3 036504 (2025)
    Tetsuya Wada, Masafumi Horio, Yifu Liu, Yu Murano, Haruto Sakurai, Toshihide Sumi, Masashige Miyamoto, Susumu Yamamoto and Iwao Matsuda （詳細）

  • "Effects of Ball Milling on Hydrogen Release Performance of Titanium Dihydride"

    J. Phys. Chem. C 2025, 129, 13, 6340−6351 (2025)
    Mei Yuan, Natsumi Noguchi, Zihao Kang, Shin-ichi Ito, Miwa Hikichi, Osamu Oki, Ryuki Tsuji, Xiaoni Zhang, Iwao Matsuda, Kouji Sakaki, Shin-ichi Orimo and Takahiro Kondo （詳細）

  • "Inhomogeneous reduction-annealing effects on the electron-doped cuprate superconductor Pr1.3-xLa0.7CexCuO4 (x=0.08) revealed by microfocused angle-resolved photoemission spectroscopy"

    Phys. Rev. B , 111, 125134 (2025)
    M. Miyamoto, M. Horio, K. Moriya, A. Takahashi, J. Osiecki, B. Thiagarajan, C. M. Polley, Y. Koike, T. Adachi, T. Mizokawa, and Iwao Matsuda （詳細）

  • "Evaluating chemical states in a single microcrystal of chromium boride with the micro-focused ion and quantum beams"

    Solid State Sciences volume 161 Article 107838 (2025)
    Yanze Guan, Xiaoni Zhang, Masashige Miyamoto, Yuki Tsujikawa, Kunio Yubuta, Masafumi Horio, Hironari Isshiki, Jun-ichi Yamaura, Tadashi Abukawa, Fumio Komori, Iwao Matsuda （詳細）

  • "Discovery of bicyclic borane molecule B14H26"

    Communications Chemistry , volume 8, Article number: 14 (2025)
    Xiaoni Zhang, Tomoko Fujino, Yasunobu Ando, Yuki Tsujikawa, Tianle Wang, Takeru Nakashima, Haruto Sakurai, Kazuki Yamaguchi, Masafumi Horio, Hatsumi Mori, Jun Yoshinobu, Takahiro Kondo & Iwao Matsuda （詳細）

  • "Developing a Machine-Learning-based Robotic System for Mixing Solvents"

    e-Journal of Surface Science and Nanotechnology, Volume23 Issue 1 Pages 59-64 (2025)
    Jingmin Tang, Takeru Nakashima, Masashige Miyamoto, Xiaoni Zhang, Masafumi Horio, Yasunobu Ando and Iwao Matsuda （詳細）

  • "Surface structure of the 3×3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy"

    Phys. Rev. Materials, 9, 014002 (2025)
    Yusuke Sato, Yuki Fukaya, Akito Nakano, Takeo Hoshi, Chi-Cheng Lee, Kazuyoshi Yoshimi, Taisuke Ozaki, Takeru Nakashima, Yasunobu Ando, Hiroaki Aoyama, Tadashi Abukawa, Yuki Tsujikawa, Masafumi Horio, Masahito Niibe, Fumio Komori, and Iwao Matsuda （詳細）

      • 2024

    • "Striped-phase germanene confirmed by photoemission final-state effect"

      Phys. Rev. Research, 6, 043190 (2024)
      Ting-Yu Chen, Chin-Hsuan Chen, David Mikolas, Santosh Chiniwar, Angus Huang, Chung-Huang Lin, Cheng-Maw Cheng, Fumio Komori, Iwao Matsuda, Chung-Yu Mou, Horng-Tay Jeng, Woei Wu Pai and S.-J. Tang （詳細）

    • "Interlayer Hydrogen Recombination from Hydrogen Boride Nanosheets Elucidated by Isotope Labeling"

      J. Phys. Chem. Lett. 2024, 15, 44, 10965–10976 (2024)
      Shin-ichi Ito, Kurt Irvin M. Rojas, Yukihiro Yasuda, Natsumi Noguchi, Kosei Fukuda, Miwa Hikichi, Zihao Kang, Mei Yuan, Ryuki Tsuji, Osamu Oki, Susmita Roy, Yasuyuki Hikita, Iwao Matsuda, Masahiro Miyauchi, Ikutaro Hamada and Takahiro Kondo （詳細）

    • "Adsorption of Atomic Hydrogen on Hydrogen Boride Sheets Studied by Photoelectron Spectroscopy"

      Materials 2024, 17(19), 4806 (2024)
      Heming Yin, Jingmin Tang, Kazuki Yamaguchi, Haruto Sakurai, Yuki Tsujikawa, Masafumi Horio, Takahiro Kondo and Iwao Matsuda （詳細）

    • "Evolution from ultrafast demagnetization to magnetization reversal at the Fe sites in Gd23Fe67Co10 with laser fluence, observed by the element-selective magneto-optical Kerr effect using an X-ray free electron laser"

      Jpn.J.Appl.Phys. 63 09SP25 (2024)
      Souliman El Moussaoui, Toshihide Sumi, Tomoaki Senoo, Yasuyuki Hirata, Kohei Yamamoto, Hiroki Yoshikawa, Masafumi Horio, Yuya Kubota, Shigeki Owada, Hiroki Wadati, Makina Yabashi, Arata Tsukamoto and Iwao Matsuda （詳細）

    • "Non-equilibrium pathways to emergent polar supertextures"

      Nature Materials volume 23, pages1394–1401 (2024)
      Vladimir A. Stoica, Tiannan Yang, Sujit Das, Yue Cao, Huaiyu(Hugo) Wang, Yuya Kubota, Cheng Dai, Hari Padma, Yusuke Sato, Anudeep Mangu, Quynh L.Nguyen, Zhan Zhang, Disha Talreja, Marc E. Zajac, Donald A. Walko, Anthony D. DiChiara, Shigeki Owada, Kohei Miyanishi, Kenji Tamasaku, Takahiro Sato, James M. Glownia, Vincent Esposito, Silke Nelson, Matthias C. Hoffmann, Richard D. Schaller, Aaron M. Lindenberg, Lane W. Martin, Ramamoorthy Ramesh, Iwao Matsuda, Diling Zhu, Long-Q. Chen, Haidan Wen, Venkatraman Gopalan & John W. Freeland （詳細）

    • "Fermi Edge of Semimetallic Borophane Sheets and its Reduction by a Porous Structure"

      J.Phys.Chem.Lett. 15,9349-9355 (2024)
      Xiaoni Zhang, Masashige Miyamoto, Mei Yuan, Yuki Tsujikawa, Kazuki Yamaguchi, Masafumi Horio, Kenichi Ozawa, Kunio Yabuta, Takahiro Kondo, and Iwao Matsuda （詳細）

    • "Dimensional crossover and chirality of boron adsorbates on copper (110) surfaces"

      Phys. Rev. Materials, 8, 084003 (2024)
      Yuki Tsujikawa, Takeru Nakashima, Xiaoni Zhang, Kazuki Yamaguchi, Masafumi Horio, Masahiro Haze, Yukio Hasegawa, Fumio Komori, Takahiro Kondo, Yasunobu Ando and Iwao Matsuda （詳細）

    • "Macroscopic sheets of hydrogen boride and their spectroscopic evaluation"

      Phys. Rev. Materials, 8, 074005 (2024)
      Kazuki Yamaguchi, Masahito Niibe, Xiaoni Zhang, Toshihide Sumi, Masafumi Horio, Yasunobu Ando, Jun-ichi Yamaura, Eiken Nakamura, Kiyohisa Tanaka, Takahiro Kondo, and Iwao Matsuda （詳細）

    • "表面分析のための収束イオンビームによる微小結晶加工"

      表面と真空 67巻 7号 p.340-346(2024)
      小森 文夫  , Yanze Guan , 松田 巌 　　　（詳細）

    • "Millimeter-scale growth of YCrB4 single crystals and observation of the metallic surface state"

      Phys. Rev. Materials, 8, 054001(2024)
      Xiaoni Zhang, Yuki Tsujikawa, Kazuki Yamaguchi, Masashige Miyamoto, Masafumi Horio, Kunio Yubuta, Hiroshi Ando, Mei Yuan, Kenichi Ozawa, Kazumasa Sugiyama, Takahiro Kondo, and Iwao Matsuda (詳細）

    • "Phase stability and band degeneracy of quasi-one-dimensional boron chain polymorphs embedded in LiB crystals"

      Phys. Rev. B, 109, 165104(2024)
      Takeru Nakashima, Ikuma Tateishi, Yuki Tsujikawa, Masafumi Horio, Takahiro Kondo, Iwao Matsuda, and Yasunobu Ando （詳細）

    • "Pioneering preparation and analysis of a clean surface on a microcrystal, mined by focused ion beam"

      Jpn. J. Appl. Phys. 63, 030906 (2024)
      Y. Guan, F. Komori, M. Horio, A. Fukuda, Y. Tsujikawa, K. Ozawa, M. Kamiko, D. Hamane, T. Kawauchi, K. Fukutani, Y. Tokumoto, K. Edagawa, R. Tamura and　I. Matsuda （詳細）

    • "準大気圧光電子分光法による二酸化炭素水素化のオペランド観測"

      真空と表面 67巻, 3号　p.117-122 (2024)
      小板谷 貴典  , 山本 達 , 松田 巌 , 𠮷信 淳 , 横山 利彦 （詳細）

    • "Quasi-Periodic Growth of One-Dimensional Copper Boride on Cu(110)"

      Nano Lett. 24, 1160-1167 (2024)
      Y. Tsujikawa, X. Zhang, K. Yamaguchi, M. Haze, T. Nakashima, A. Varadwaj, Y. Sato, M. Horio, Y. Hasegawa, F. Komori, M. Oshikawa, M. Kotsugi, Y. Ando, T. Kondo, and I. Matsuda （詳細）

        • 2023

      • Ultrafast control of the crystal structure in a topological charge-density-wave material

        Phys. Rev. B 108, 184305 (2023)
        T. Suzuki, Y. Kubota, N. Mitsuishi, S. Akatsuka, J. Koga, M. Sakano, S. Masubuchi, Y. Tanaka, T. Togashi, H. Ohsumi, K. Tamasaku, M. Yabashi, H. Takahashi, S. Ishiwata, T. Machida, I. Matsuda, K. Ishizaka, and K. Okazaki

      • Orbital-selective metal skin induced by alkalimetal-dosing Mott-insulating Ca2RuO4

        Comm. Phys. 6, 323 (2023)
        M. Horio, F. Forte, D. Sutter, M. Kim, C. G. Fatuzzo, C. E. Matt, S. Moser, T. Wada, V. Granata, R. Fittipaldi, Y. Sassa, G. Gatti, H. M. Ronnow, M. Hoesch, T. K. Kim, C. Jozwiak, A. Bostwick, Eli Rotenberg, I. Matsuda, A. Georges, G. Sangiovanni, A. Vecchione, M. Cuoco, J. Chang

      • Oxide layer dependent orbital torque efficiency in ferromagnet/Cu/oxide heterostructures

        Phys. Rev. Materials 7, L111401 (2023)
        Junyeon Kim, Jun Uzuhashi, Masafumi Horio, Tomoaki Senoo, Dongwook Go, Daegeun Jo, Toshihide Sumi, Tetsuya Wada, Iwao Matsuda, Tadakatsu Ohkubo, Seiji Mitani, Hyun-Woo Lee, and YoshiChika Otani

      • Structure and Electronic State of Boron Atomic Chains on a Noble Metal (111) Surface

        e-Journal of Surface Science and Nanotechnology, 22, 1 (2023)
        Y. Tsujikawa, X. Zhang, M. Horio, F. Komori, T. Nakashima, Y. Ando, T. Kondo, and I. Matsuda

      • Controlling Photoinduced H2 Release from Freestanding Borophane Sheets under UV Irradiation by Tuning B–H bonds

        Adv. Mater. Interfaces, 10, 2399414 (2023)
        Miwa Hikichi, Junpei Takeshita, Natsumi Noguchi, Shin-ichi Ito, Yukihiro Yasuda,Luong Thi Ta, Kurt Irvin M. Rojas, Iwao Matsuda, Satoshi Tominaka, Yoshitada Morikawa, Ikutaro Hamada, Masahiro Miyauchi, and Takahiro Kondo

      • Resonant photoemission spectroscopy of atomic layer Fe2N on Cu(111) with continuous angular rotation of linearly polarized light

        J. Phys.: Condens. Matter, 35, 425001 (2023)
        M. Horio, Y. Kudo, T. Wada, T. Sumi, Y. Hirata, M. Niibe, F. Komori, and I. Matsuda

      • Influence of oxygen coordination number on the electronic structure of single-layer La-based cuprates

        Phys. Rev. B 108, 035105 (2023)
        M. Horio, X. Peiao, M. Miyamoto, T. Wada, K. Isomura, J. Osiecki, B. Thiagarajan, C. M. Polley, K. Tanaka, M. Kitamura, K. Horiba, K. Ozawa, T. Taniguchi, M. Fujita, and I. Matsuda

      • Detecting driving potentials at the buried SiO2 nanolayers in solar cells by chemical-selective nonlinear x-ray spectroscopy

        Appl. Phys. Lett. 123, 031602 (2023)
        Masafumi Horio, Toshihide Sumi, James Bullock, Yasuyuki Hirata, Masashige Miyamoto, Bailey R. Nebgen, Tetsuya Wada, Tomoaki Senoo, Yuki Tsujikawa, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, Takushi Iimori, Yoshihiro Miyauchi, Michael W. Zuerch, Iwao Matsuda, Craig P. Schwartz, Walter S. Drisdell

      • Ultrafast Subpicosecond Magnetization of a 2D Ferromagnet

        Adv. Meter. 35, 2501347 (2023)
        Le Duc Anh, Masaki Kobayashi, Takahito Takeda, Kohsei Araki, Ryo Okano, Toshihide Sumi, Masafumi Horio, Kohei Yamamoto, Yuya Kubota, Shigeki Owada, Makina Yabashi, Iwao Matsuda, Masaaki Tanaka

      • In Situ Electrical Detection of Methane Oxidation on Atomically Thin IrO2 Nanosheet Films Down to Room Temperature

        Adv. Mater. Interfaces 10, 2300258 (2023)
        Yoshiaki Ishihara, Takanori Koitaya, Yuto Hamahiga, Wataru Sugimoto,Susumu Yamamoto, Iwao Matsuda, Jun Yoshinobu, and Ryo Nouchi

      • Observing an ordered surface phase by B deposition on Cu(110)

        Surf. Sci. 732, 122282 (2023)
        Yuki Tsujikawa, Xiaoni Zhang, Masafumi Horio, Tetsuya Wada, Masashige Miyamoto, Toshihide Sumi, Fumio Komori, Takahiro Kondo, Iwao Matsuda

      • Effective treatment of hydrogen boride sheets for long-term stabilization

        Phys. Chem. Chem. Phys. 25, 15531 (2023)
        S. Ito, M. Hikichi, N. Noguchi, M. Yuan, Z. Kang, K. Fukuda, M. Miyauchi, I. Matsuda, T. Kondo

      • Enhanced Superconductivity and Rashba effect in a Buckled Plumbene-Au Kagome Superstructure

        Advanced Science 10, 2300845 (2022)
        Wan-Hsin Chen,Chin-Hsuan Chen,Guan-Hao Chen,Wei-Chuan Chen,Pratyay Amrit,Fu-Xiang Rikudo Chen,Pei-Jung Chen,Chun-Kai Ku,Chang-Tsan Lee,Naoya Kawakami,Jia-Ying Li,Iwao Matsuda,Wen-Hao Chang,Juhn-Jong Lin,Chien-Te Wu,Chung-Yu Mou,Horng-Tay Jeng,Shu-Jung Tang,Chun-Liang Lin.

      • Probing Lithium Mobility at a Solid Electrolyte Surface

        Nature Materials 22, 848 (2023)
        Clarisse Woodahl,Sasawat Jamnuch,Angelique Amado,Can B. Uzundal,Emma Berger,Paul Manset,Yisi Zhu,Yan Li,Dillon D. Fong,Justin G. Connell,Yasuyuki Hirata,Yuya Kubota,Shigeki Owada,Kensuke Tono,Makina Yabashi,Sanja Tepavcevic,Iwao Matsuda,Walter S. Drisdell,Craig P. Schwartz,John W. Freeland,Tod A. Pascal,Alfred Zong,Michael Zuerch.

      • Observing soft x-ray magnetization-induced second harmonic generation at a heterojunction interface

        Appl. Phys. Lett. 122, 171601 (2023)
        T. Sumi, M. Horio, T. Senoo, Y. Kubota, G. Yamaguchi, T. Wada, M. Miyamoto, K. Yamaguchi, Y. Tsujikawa, Y. Sato, M. Niibe, Y. Hirata, Y. Miyauchi, D. Oshima, T. Kato, S. Owada, K. Tono, M. Yabashi, I. Matsuda

      • Developing a Simple Scanning Probe System for Soft X-ray Spectroscopy with a Nano-focusing Mirror

        e-J. Surf. Sci. Nanotechnol. 21, 200 (2023)
        Hiroshi Ando, Masafumi Horio, Yoko Takeo, Masahito Niibe, Tetsuya Wada, Yasunobu Ando, Takahiro Kondo, Takashi Kimura, Iwao Matsuda

      • Accelerated Synthesis of Borophane (HB) Sheets through HCl-Assisted Ion-Exchange Reaction with YCrB4

        Molecules 28, 2985 (2023)
        Xiaoni Zhang, Miwa Hikichi, Takushi Iimori, Yuki Tsujikawa, Masafumi Horio, Kunio Yubuta, Fumio Komori, Masahiro Miyauchi, Takahiro Kondo, and Iwao Matsuda

      • Prediction of a Cyclic Hydrogenated Boron Molecule as a Promising Building Block for Borophane

        Molecules 28 1225 (2023); https://doi.org/10.3390/molecules28031225
        Yasunobu Ando,Takeru Nakashima, Heming Yin, Ikuma Tateishi, Xiaoni Zhang, Yuki Tsujikawa, Masafumi Horio, Nguyen Thanh Cuong, Susumu Okada, Takahiro Kondo, and Iwao Matsuda.

      • [Book] Nonlinear X-ray Spectroscopy for Materials Science

        Springer,2023
        I. Matsuda, R. Arafune ed.

      • [Book] New Science of Boron Allotropes, Compounds, and Nanomaterials

        Mdpi AG, 2023
        I. Matsuda, T. Kondo, J. M Oliva-Enrich ed.

      　

        2022

      • Element-selective magnetization states in a Gd23Fe67Co10 alloy, probed with the soft X-ray resonant magneto-optical Kerr effect

        Jpn. J. Appl. Phys. 62 SB8001 (2023).
        Toshihide Sumi,Tomoaki Senoo,Masafumi Horio,Souliman El Moussaoui,Eiken Nakamura,Kiyohisa Tanaka,Arata Tsukamoto,and Iwao Matsuda.

      • Structural and electronic evidence of boron atomic chains

        Phys. Rev. B 106 205406 (2022).
        Y. Tsujikawa,M. Horio,X. Zhang,T. Senoo,T. Nakashima,Y. Ando,T. Ozaki,I. Mochizuki,K. Wada,T. Hyodo,T. Iimori,F. Komori,T. Kondo,I. Matsuda.

      • Highly dispersed Ni nanoclusters spontaneously formed on hydrogen boride sheets

        Molecules 27 8261 (2022). (open access) https://doi.org/10.3390/molecules27238261
        Natsumi Noguchi,Shin-ichi Ito,Miwa Hikichi,Yohei Cho,Kazuho Goto,Atsushi Kubo,Iwao Matsuda,Takeshi Fujita,Masahiro Miyauchi,and Takahiro Kondo.

      • Structure of χ3- Borophene studied by Total-reflection high-energy diffraction (TRHEPD)

        Molecules 27, 4219 (2022). (open access) https://doi.org/10.3390/molecules27134219
        Yuki Tsujikawa,Makoto Shouji,Masashi Hamada,Tomoya Takeda,Izumi Mochizuki,Toshio Hyodo,Iwao Matsuda,and Akari Takayama.

      • Soft X-ray ptychography system using a Wolter mirror for achromatic illumination optics

        Optics Express 30 26220 (2022).
        T. Kimura,Y. Takeo,K. Sakurai,N. Furuya,S. Egawa,G. Yamaguchi,Y. Matsuzawa,T. Kume,H. Mimura,M. Shimura,H. Ohashi,I. Matsuda,Y. Harada.

      • Materials Science Research by Ambient Pressure X-ray Photoelectron Spectroscopy Systems at Synchrotron Radiation Facilities in Japan: Applications in Energy, Catalysis, and Sensors

        Synchrotron Radiation News, 35:3, 19-25 (2022).
        Susumu Yamamoto,Yasumasa Takagi,Takanori Koitaya,Ryo Toyoshima,Masafumi Horio,Iwao Matsuda,Hiroshi Kondo,Toshihiko Yokoyama and Jun Yoshinobu.

      • Measurement of X-ray Magnetic Linear Dichroism by Rotating Polarization Angle of Soft X-ray Generated by a Segmented Undulator

        e-J. Surf. Sci. Nanotechnology 20 124 (2022).
        Yoshiki Kudo,Masafumi Horio,Yasuyuki Hirata,Takuo Ohkochi,Toyohiko Kinoshita,and Iwao Matsuda.

      • Electronic topological transition of 2D boron by the ion exchange reaction

        J. Phys. Chem. C 126 12802 (2022).
        Xiaoni Zhang,Yuki Tsujikawa,Ikuma Tateishi,Masahito Niibe,Tetsuya Wada,Masafumi Horio,Miwa Hikichi,Yasunobu Ando,Kunio Yubuta,Takahiro Kondo,and Iwao Matsuda.

      • Homotopic analysis of quantum states in 2D polymorphs by a herringbone lattice model

        Phys. Rev. B 106 195106 (2022).
        Yasunobu Ando,Xiaoni Zhang,Yuki Tsujikawa,Yusuke Sato,Masafumi Horio,Jun Haruyama,Osamu Sugino,Takahiro Kondo,and Iwao Matsuda.

      • Recovery Process from the Reversed Magnetization Simulated with a Square Lattice

        e-J. Surf. Sci. Nanotechnol. 4 221 (2022). (open access) https://doi.org/10.1380/ejssnt.2022-019
        Tomoaki Senoo,Toshihide Sumi,Masafumi Horio,Arata Tsukamoto,Iwao Matsuda.

      • The Surface Exchange Reaction Mechanism of Mixed Conductive La0.65Ca0.35FeO3-d during Desorbing and Adsorbing Oxygens Studied by Operando XPS Technique

        ACS Appl. Mater. Interfaces 14 48194 (2022).
        Isao Kagomiya,Tomohiro Hirano,Yutaro Yagi,Ken-ichi Kakimoto,Susumu Yamamoto and Iwao Matsuda.

      • Carbon Dioxide Adsorption and Conversion to Ethane on Hydrogen Boride Sheets

        Comm. Chem. 5 118 (2022).
        Taiga Goto,Shin-ichi Ito,Satish Laxman Shinde,Iwao Matsuda,Ikutaro Hamada,Hideo Hosono,and Takahiro Kondo.

      • Electronic structures of polymorphic layers of borophane

        Molecules 27 1808 (2022). (open access) https://doi.org/10.3390/molecules27061808
        Ikuma Tateishi,Xiaoni Zhang,Iwao Matsuda.

      • Functionalization of the MoS­­­2 basal plane for activation of molecular hydrogen by Pd deposition

        Applied Surf. Sci. 593 153313 (2022).
        Fumihiko Ozaki,Shunsuke Tanaka,Wataru Osada,Kozo Mukai,Masafumi Horio,Takanori Koitaya,Susumu Yamamoto,Iwao Matsuda,Jun Yoshinobu.

      • The 2022 Magneto-Optics Roadmap

        J. Phys. D: Appl. Phys. 55 463003 (2022).
        A. Kimel,I. Matsuda et al.

      • Environmental effects on layer-dependent dynamics of Dirac Fermions in quasi-crystalline bilayer graphene

        Phys. Rev. B 105 115304 (2022).
        Y. Zhao,T. Suzuki,T. Iimori,H.-W. Kim,J.R. Ahn,M. Horio,Y. Sato,Y. Fukaya,T. Kanai,K. Okazaki,Shin,S. Tanaka,F. Komori,H. Fukidome,and I. Matsuda.

      • Separating Non-linear Optical Signals of a Sample from High Harmonic Radiation in a Soft X-ray Free Electron Laser

        e-J. Surf. Sci. Nanotechnol. 20 25 (2022). (open access) https://doi.org/10.1380/ejssnt.2022-002
        Toshihide Sumi,Masafumi Horio,Tomoaki Senoo,Tetsuya Wada,Yuki Tsujikawa,Xiaoni Zhang,Paul Manset,Mihoko Araki,Yasuyuki Hirata,Walter S. Drisdell,John W. Freeland,Angelique Amado,Michael Zuerch,Yuya Kubota,Shigeki Owada,Kensuke Tono,Makina Yabashi,Craig P. Schwartz,Iwao Matsuda.

      　

        2021

      • Comparative Study of H2O and O2 Adsorption on the GaN Surface

        The Journal of Physical Chemistry C, 125, 46 (2021)
        Masahiro Sato, Yuki Imazeki, Takahito Takeda, Masaki Kobayashi, Susumu Yamamoto, Iwao Matsuda, Jun Yoshinobu, Yoshiaki Nakano, Masakazu Sugiyama

      • Atomic arrangements of quasicrystal bilayer graphene: Interlayer distance expansion

        Physical Review B, 104, L180202 (2021)
        Yuki Fukaya, Yuhao Zhao, Kim Hyun-Woo, Joung Real Ahn, Hirokazu Fukidome, and Iwao Matsuda

      • Polarization-resolved extreme ultraviolet second harmonic generation from LiNbO 3

        Phys. Rev. Lett., 127, 23 (2021)
        Can B. Uzundal, Sasawat Jamnuch, Emma Berger, Clarisse Woodahl, Paul Manset, Yasuyuki Hirata, Toshihide Sumi, Angelique Amado, Hisazumi Akai, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, John W. Freeland, Craig P. Schwartz, Walter S. Drisdell, Iwao Matsuda, Tod A. Pascal, Alfred Zong, and Michael Zuerch

      • Fast and versatile polarization control of X-ray by segmented cross undulator at SPring-8

        AAPPS Bulletin, 31, 25 (2021)
        Jun Miyawaki, Susumu Yamamoto, Yasuyuki Hirata, Masafumi Horio, Yoshihisa Harada, Iwao Matsuda

      • A novel measurement approach for near-edge x-ray absorption fine structure: continuous 2π angular rotation of linear polarization

        Nuclear Inst. and Methods in Physics Research A, 1018, 165804
        Yoshiki Kudo, Yasuyuki Hirata, Masafumi Horio, Masahito Niibe, Iwao Matsuda

      • ビスマス薄膜を通して「見る」表面物理学の新展開

        日本物理学会誌 vol. 76
        伊藤俊、松田巌

      • Electronic structure of a borophene layer in rare-earth aluminum/chromium boride and its hydrogenated derivative borophane

        Phys. Rev. Research, 5, 084007(2021). (2021)
        Masahito Niibe, Mathis Cameau, Nguyen Thanh Cuong, Omeji Ilemona Sunday, Xiaoni Zhang, Yuki Tsujikawa, Susumu Okada, Kunio Yubuta, Takahiro Kondo, and Iwao Matsuda

      • Ultrafast optical stress on BaFe2As2

        Phys. Rev. Research, 3, 33222(2021).
        Takeshi Suzuki, Yuya Kubota, Takahiro Shimojima, Asuka Nakamura, Ko Takubo, Suguru Ito, Kohei Yamamoto, Hikari Sato, Hidenori Hiramatsu, Hideo Hosono, Tadashi Togashi, Makina Yabashi, Hiroki Wadati, Iwao Matsuda, Shik Shin, Kozo Okazaki

      • Extreme Ultraviolet Second Harmonic Generation Spectroscopy in a Polar Metal

        Nano Lett., 21, 6095-6101(2021).
        Emma Berger, Sasawat Jamnuch, Can B. Uzundal, Clarisse Woodahl, Hari Padmanabhan, Angelique Amado, Paul Manset, Yasuyuki Hirata, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, Cuixiang Wang, Youguo Shi, Venkatraman Gopalan, Craig P. Schwartz, Walter S. Drisdell, Iwao Matsuda, John W. Freeland, Tod A. Pascal, and Michael Zuerch

      • Influence of Stacking Order of the Phthalocyanine and Fullerene Layers on the Photoexcited Carrier Dynamics in Model Organic Solar Cell

        J. Phys. Chem. C, 125, 25 (2021).
        Kenichi Ozawa, Susumu Yamamoto, Tetsuya Miyazawa, Keita Yano, Koji Okudaira, Kazuhiko Mase, and Iwao Matsuda

      • Band Bending of n-GaN under Ambient H2O Vapor Studied by X-ray Photoelectron Spectroscopy

        J. Phys. Chem. C, 125, 17 (2021).
        Yuki Imazeki, Masahiro Sato, Takahito Takeda, Masaki Kobayashi, Susumu Yamamoto, Iwao Matsuda, Jun Yoshinobu, Masakazu Sugiyama, Yoshiaki Nakano

      　

        2020

      • Band Bending of n-GaN under Ambient H2O Vapor Studied by X-ray Photoelectron Spectroscopy

        J. Phys. Chem. C 125, 9011–9019 (2021).
        Yuki Imazeki, Masahiro Sato, Takahito Takeda, Masaki Kobayashi, Susumu Yamamoto, Iwao Matsuda, Jun Yoshinobu, Masakazu Sugiyama, Yoshiaki Nakano

      • Valence fluctuations in Yb(Al,Fe)B4 studied by nanosecond- time-resolved photoemission spectroscopy using synchrotron radiation

        e-J. Surf. Sci. Nanotechnol. 19, 20 (2020).
        M. Okawa, K. Akikubo, S. Yamamoto, I. Matsuda, T. Saitoh

      • Femtosecond Charge Density Modulations in Photoexcited CuWO4

        The Journal of Physical Chemistry C 125, 7329 (2021).
        Yohei Uemura, Ahmed Ismail, Sang Han Park, Soonnam Kwon, Minseok Kim, Yasuhiro Niwa, Hiroki Wadati, Hebatalla Elnaggar, Federica Frati, Ties Haarman, Niko Höppel, Nils Huse, Yasuyuki Hirata, Yujun Zhang, Kohei Yamagami, Susumu Yamamoto, Iwao Matsuda, Tetsuo Katayama, Tadashi Togashi, Shigeki Owada, Makina Yabashi, Uufuk Halisdemir, Gertjan Koster, Toshihiko Yokoyama, Bert Weckhuysen, Frank de Groot

      • Recent Progress in Spectroscopies Using Soft X-ray Free-electron Lasers

        Chemistry Letters, 50, 7 (2021).
        Iwao Matsuda, Yuya Kubota

      • Time-resolved X-ray photoelectron diffraction using an angle-resolved time-of-flight electron analyzer

        Jpn. J. Appl. Phys. 59 100902 (2020).
        Artoni Kevin Ang, Yuichiro Fukatsu, Koji Kimura, Yuta Yamamoto, Takahiro Yonezawa, Hirokazu Nitta, Antoine Fleurence, Susumu Yamamoto, Iwao Matsuda, Yukiko Yamada-Takamura, Kouichi Hayashi

      • Scanning magneto-optical Kerr effect (MOKE) measurement with element-selectivity by using a soft X-ray free electron laser and an ellipsoidal mirror

        Appl. Phys.Lett.117,042405(2020)
        Yuya Kubota, Hiroto Motoyama, Gota Yamaguchi, Satoru Egawa, Yoko Takeo, Masaki Mizuguchi, Himanshu Sharma, Shigeki Owada, Kensuke Tono, Hidekazu Mimura, Iwao Matsuda, and Makina Yabashi

      • Ellipsometer Equipped with Multiple Mirrors for Element-selective Soft X-ray Experiments

        e-J. Surf. Sci. Nanotechnol. 18, 231-234 (2020).
        M. Araki, J. Meikaku, Y. Kubota, J. Miyawaki, Y. Kosegawa, S. El Moussaoui, T. Bouillaud, P. Manset, S. Owada, K. Tono, M. Yabashi, I. Matsuda

      • Electronic structure of a 3x3-ordered silicon layer on Al(111)

        Phys. Rev. Materials 4, 064005 (2020).
        Yusuke Sato, Yuki Fukaya, Mathis Cameau, Asish Kumar Kundu, Daisuke Shiga, Ryu Yukawa, Koji Horiba, Chin-Hsuan Chen, Angus Huang, Horng-Tay Jeng, Taisuke Ozaki, Hiroshi Kumigashira, Masahito Niibe, and Iwao Matsuda

      • The Atomistic-Level Description of GaN/Water Interface by a Combined Spectroscopic and First-Principles Computational Approach

        J. Phys. Chem. C, 124, 23, 12466–12475 (2020).
        M. Sato, Y. Imazeki, T.Takeda, M. Kobayashi, S. Yamamoto, I. Matsuda, J. Yoshinobu, Y. Nakano, M. Sugiyama

      • Element-selectively tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect

        Appl. Phys. Lett. 116, 172406 (2020).
        Kohei Yamamoto, Souliman El Moussaoui, Yasuyuki Hirata, Susumu Yamamoto, Yuya Kubota, Shigeki Owada, Makina Yabashi, Takeshi Seki, Koki Takanashi, Iwao Matsuda, and Hiroki Wadati

      • Topological Dirac nodal loops in non-symmorphic hydrogenated monolayer boron

        Phys. Rev. B 101, 195412 (2020)
        N. T. Cuong, I. Tateishi, M. Cameau, M. Niibe, N. Umezawa, B. Slater, K. Yubuta, T. Kondo, M. Ogata, S. Okada, and I. Matsuda

      • Two-dimensional conducting layer on SrTiO3 surface induced by hydrogenation

        Phys. Rev. B 101, 085422-1,-6 (2020)
        Y. Takeuchi, R. Hobara, R. Akiyama, A. Takayama, S. Ichinokura, R. Yukawa, I. Matsuda and S. Hasegawa

      • A computational examination of the field-induced proton transfer along the interface hydrogen bond between proton donating and accepting self-assembled monolayers

        Chem. Phys. Lett. 741, 137091 (2020).
        Yusuke Kanematsu, Hiroyuki S Kato, Shinya Yoshimoto, Akira Ueda, Susumu Yamamoto, Hatsumi Mori, Jun Yoshinobu, Iwao Matsuda, Masanori Tachikawa

      • Edge-state correlation accelerates metal-insulator transition in topological semimetal nanofilms

        Sci, Adv. 6, eaaz5015 (2020).
        S. Ito, M. Arita, J. Haruyama, B. Feng, W.-C. Chen, H. Namatame, M. Taniguchi, C.-M. Cheng, G. Bian, S.-J. Tang, T.-C. Chiang, O. Sugino, F. Komori, and I. Matsuda

      • Direct observation of the electronic states of photoexcited hematite with ultrafast 2p3d X-ray absorption spectroscopy and resonant inelastic X-ray scattering

        Phys. Chem. Chem. Phys. 22, 2685 (2020).
        Ahmed S. M. Ismail, Yohei Uemura, Sang Han Park, Soonnam Kwon, Minseok Kim, Hebatalla Elnaggar, Federica Frati, Yasuhiro Niwa, Hiroki Wadati, Yasuyuki Hirata, Yujun Zhang, Kohei Yamagami, Susumu Yamamoto, Iwao Matsuda, Ufuk Halisdemir, Gertjan Koster, Bert M. Weckhuysen, and Frank M. F. de Groot

      • Geometrical Frustration of B-H bonds in Layered Hydrogen Borides Accessible by Soft Chemistry

        Chem 6, 406-418 (2020).
        S. Tominaka, R. Ishibiki, A. Fujino, K. Kawakami, K. Ohara, I. Matsuda, H. Hosono, T. Kondo

      　

        2019

      • A Surface Science Approach to Unveiling TiO2 Photocatalytic Mechanism: Correlation between Photocatalytic Activity and Carrier Lifetime

        e-J. Surf. Science. Nanotechnol. 17, 130 (2019)
        K. Ozawa, S. Yamamoto, K. Mase, I. Matsuda

      • Surface Chemistry of Carbon Dioxide on Copper Model Catalysts Studied by Ambient-Pressure X-ray Photoelectron Spectroscopy

        e-J. Surf. Sci. Nanotechnol. 17, 169 (2019).
        Takanori Koitaya, Susumu Yamamoto, Iwao Matsuda, Jun Yoshinobu

      • Study of photoinduced valence dynamics in EuNi2(Si0.21Ge0.79)2 through time-resolved X-ray absorption spectroscopy

        Phys. Rev. B 100, 115123 (2019).
        Y. Yokoyama, K. Kawakami, Y. Hirata, K. Takubo, K. Yamamoto, K. Abe, A. Mitsuda, H. Wada, T. Uozumi, S. Yamamoto, I. Matsuda, S. Kimura, K. Mimura, and H. Wadati

      • Ultrafast unbalanced electron distributions in a 30° twisted bilayer graphene

        ACS Nano 13, 11981 (2019).
        T. Suzuki, T. Iimori, S. J. Ahn, Z. Yuhao, M. Watanabe, J. Xu, M. Fujisawa, T. Kanai, N. Ishii, J. Itatani, K. Suwa, H. Fukidome, S. Tanaka, J. R. Ahn, K. Okazaki, S. Shin, F. Komori, and I. Matsuda

      • Reversible low-temperature redox activity and selective oxidation catalysis derived from concerted activation of multiple metal species on Cr and Rh-incorporated ceria catalysts

        Phys. Chem. Chem. Phys. 21, 20868 (2019).

        S. Ikemoto, X. Huang, S. Muratsugu, S. Nagase, T. Koitaya, H. Matsui, G.
        Yokota, T. Sudoh, A. Hashimoto, Y. Tan, S. Yamamoto, J. Tang, I. Matsuda, J. Yoshinobu, T. Yokoyama, S. Kusaya, R. Matsuda, and M. Tada,

      • 時間分解軟X線光電子分光による電子状態の動的観察

        応用物理, 2019 年 88 巻 11 号 p. 716-719
        松田巌

      • 偏光変調型軟X線を用いた複素誘電率の直接測定

        日本物理学会誌、2019年 74巻 9号 p. 646-651
        久保田雄也、平田靖透、赤井久純、松田巌

      • SACLAによる軟X線非線形光学現象の開拓

        放射光、 Nov. 2019 Vol.32 No.6
        山本真吾、松田巌

      • Direct Evidence of Interfacial Hydrogen Bonding in Proton-Electron Concerted 2D Organic Bilayer on Au Substrate

        e-J. Surf. Sci. Nanotechol., 17, 49-55 (2019).
        S. Yamamoto, H. S. Kato, A. Ueda, S. Yoshimoto, Y. Hirata, J. Miyawaki, K. Yamamoto, Y. Harada, H. Wadati, H. Mori, J. Yoshinobu, I. Matsuda

      • Superstructure-induced splitting of Dirac cones in silicene

        Phys. Rev. Lett. 122, 196801 (2019).
        B. Feng, H. Zhou, Y. Feng, H. Liu, S. He, I. Matsuda, L. Chen, E. F. Schwier, K. Shimada, S. Meng, and K. Wu

      • Symmetry-breaking and spin-blockage effects on carrier dynamics in single-layer tungsten diselenide

        Phys. Rev. B 100, 214309 (2019).
        Ro-Ya Liu, Meng-Kai Lin, Peng Chen, Takeshi Suzuki, Philippa Clark, Nathan Lewis, Cephise Cacho, Emma Springate, Chia-Seng Chang, Kozo Okazaki, Wendy Flavell, Iwao Matsuda, Tai-Chang Chiang

      • Electronic structure of a monatomic Cu2Si layer on a Si substrate

        Phys. Rev. Materials, 3, 044004 (2019).
        M. Cameau, R. Yukawa, S. Ito, R. Ishibiki, K. Horiba, Y. Obata, T. Kondo, H. Kumigashira, M. D'angelo, and I. Matsuda

      • Segmented Undulator for Extensive Polarization Controls in ≦1 nm-rad Emittance Rings

        e-J. Surf. Sci. Nanotechol. 17, 41 (2019).
        I. Matsuda, S. Yamamotoa, J. Miyawaki, T. Abukawa, and T. Tanaka

      • Photoinduced hydrogen release from hydrogen boride sheets

        Nature Commun. 10, 4880 (2019).
        Reiya Kawamura, Nguyen Thanh Cuong, Takeshi Fujita, Ryota Ishibiki, Toru Hirabayashi, Akira Yamaguchi, Iwao Matsuda, Susumu Okada, Takahiro Kondo and Masahiro Miyauchi

      • CO2 Activation and Reaction on Zn-Deposited Cu Surfaces Studied by Ambient-Pressure X-ray Photoelectron Spectroscopy

        ACS catalysis, 9, 4539 (2019).
        T. Koitaya, S. Yamamoto, Y. Shiozawa, Y. Yoshikura, M. Hasegawa, J. Tang, K. Takeuchi, K. Mukai, S. Yoshimoto, I. Matsuda, and J. Yoshinobu

      • Semi-metallicity of free-standing hydrogenated monolayer boron from MgB2

        Phys. Rev. Materials 3, 024004 (2019).
        T. Koitaya, S. Yamamoto, Y. Shiozawa, Y. Yoshikura, M. Hasegawa, J. Tang, K. Takeuchi, K. Mukai, S. Yoshimoto, I. Matsuda, and J. Yoshinobu

        link

      • Mass transport in the PdCu phase structures during hydrogen adsorption and absorption, studied by XPS under hydrogen atmosphere

        Appl. Surf. Sci., 480, 419 (2019).
        J. Tang, S. Yamamoto, T. Koitaya, A. Yoshigoe, T. Tokunaga, K. Mukai, I. Matsuda, J. Yoshinobu

        link

      • Enhanced Photoresponsivity of Fullerene in the Presence of Phthalocyanine: A Time-Resolved X-ray Photoelectron Spectroscopy Study of Copper-Phthalocyanine/C 60/TiO2(110)

        J. Phys. Chem. C 123, 4388 (2019).
        K. Ozawa, S. Yamamoto, M. D'angelo, Y. Natsui, N. Terashima, K. Mase, I. Matsuda

        link

      • Hydrogen adsorption and absorption on a Pd-Ag alloy surface studied using in-situ X-ray photoelectron spectroscopy under ultrahigh vacuum and ambient pressure

        Appl. Surf. Sci., 463, 1161 (2019).
        Jiayi Tang, Susumu Yamamoto, Takanori Koitaya, Yuki Yoshikura, Kozo Mukai, Shinya Yoshimoto, Iwao Matsuda, Jun Yoshinobu

        link
      　

        2018

      • Monatomic Two-Dimensional Layers: Modern Experimental Approaches for Structure, Properties, and Industrial Use

        (Elsevier, 2018)
        I. Matsuda ed.

        link

      • Enhancement of CO2 adsorption on oxygen-functionalized epitaxial graphene surface at near-ambient conditions

        Physical Chemistry Chemical Physics 20, 19532 (2018).
        S. Yamamoto, K. Takeuchi, Y. Hamamoto, R.-Y. Liu, Y. Shiozawa, T. Koitaya, T. Someya, K. Tashima, H. Fukidome, K. Mukai, S. Yoshimoto, M. Suemitsu, Y. Morikawa, J. Yoshinobu and I. Matsuda

        link

      • Interfacial carrier dynamics of graphene on SiC, traced by the full-range time-resolved core-level photoemission spectroscopy

        Appl. Phys. Lett. 113, 051601 (2018).
        T. Someya, H. Fukidome, N. Endo, K. Takahashi, S. Yamamoto, and I. Matsuda

        link

      • Femtosecond resonant magneto-optical Kerr effect measurement on an ultrathin magnetic film in a soft X-ray free electron laser

        Jpn. J. Appl. Phys. 57, 09TD02 (2018).
        Shingo Yamamoto, Yuya Kubota, Kohei Yamamoto, Yoshinobu Takahashi, Kohei Maruyama, Yuta Suzuki, Rei Hobara, Masami Fujisawa, Daiki Oshima, Shigeki Owada, Tadashi Togashi, Kensuke Tono, Makina Yabashi, Yasuyuki Hirata, Susumu Yamamoto, Masato Kotsugi, Hiroki Wadati, Takeshi Kato, Satoshi Iwata, Shik Shin and Iwao Matsuda

        link

      • Controlling the surface photovoltage on WSe2 by surface chemical modification

        Appl. Phys. Lett. 112, 211603 (2018).
        Ro-Ya Liu, Kenichi Ozawa, Naoya Terashima, Yuto Natsui, Baojie Feng, Suguru Ito, Wei-Chuan Chen, Cheng-Maw Cheng, Susumu Yamamoto, Hiroo Kato, Tai-Chang Chiang, and Iwao Matsuda

        link

      • Correlation between Photocatalytic Activity and Carrier Lifetime: Acetic Acid on Single-Crystal Surfaces of Anatase and Rutile TiO2

        J. Phys. Chem. C 122, 9562 (2018).
        Kenichi Ozawa, Susumu Yamamoto, Ryu Yukawa, Ro-Ya Liu, Naoya Terashima, Yuto Natsui, Hiroo Kato, Kazuhiko Mase∥, and Iwao Matsuda

        link

      • Element Selectivity in Second-Harmonic Generation of GaFeO3 by a Soft-X-Ray Free-Electron Laser

        Phys. Rev. Lett. 120, 223902 (2018).
        Sh. Yamamoto, T. Omi, H. Akai, Y. Kubota, Y. Takahashi, Y. Suzuki, Y. Hirata, K. Yamamoto, R. Yukawa, K. Horiba, H. Yumoto, T. Koyama, H. Ohashi, S. Owada, K. Tono, M. Yabashi, E. Shigemasa, S. Yamamoto, M. Kotsugi, H. Wadati, H. Kumigashira, T. Arima, S. Shin, and I. Matsuda

        link

      • Alkali-metal induced band structure deformation investigated by angle-resolved photoemission spectroscopy and first-principles calculations

        Phys. Rev. B 97, 155423 (2018).
        S. Ito, B. Feng, M. Arita, T. Someya, W.-C. Chen, A. Takayama, T. Iimori, H. Namatame, M. Taniguchi, C.-M. Cheng, S.-J. Tang, F. Komori, and I. Matsuda

        link

      • A table-top formation of bilayer quasi-free-standing epitaxial-graphene on SiC(0001) by microwave annealing in air

        Carbon 130, 792 (2018).
        Kwan-Soo Kim, Goon-Ho Park, Hirokazu Fukidome, Someya Takashi, Iimori Takushi, Komori Fumio, Matsuda Iwao, Maki Suemitsu

        link

      • Peculiar bonding associated with atomic doping and hidden honeycombs in borophene

        Phys. Rev. B 97, 075430 (2018).
        Chi-Cheng Lee, Baojie Feng, Marie D'angelo, Ryu Yukawa, Ro-Ya Liu, Takahiro Kondo, Hiroshi Kumigashira, Iwao Matsuda, and Taisuke Ozaki

        link

      • Single-layer dual germanene phases on Ag(111)

        Phys. Rev. Mat. 2, 024003 (2018).
        Chung-Huang Lin, Angus Huang, Woei Wu Pai, Wei-Chuan Chen, Ting-Yu Chen, Tay-Rong Chang, Ryu Yukawa, Cheng-Maw Cheng, Chung-Yu Mou, Iwao Matsuda, T.-C. Chiang, H.-T. Jeng, and S.-J. Tang

        link

      • Strong Hydrogen Bonds at the Interface between Proton-Donating and -Accepting Self-Assembled Monolayers on Au(111)

        Langmuir 34, 5 (2018).
        Hiroyuki S. Kato, Shinya Yoshimoto, Akira Ueda, Susumu Yamamoto, Yusuke Kanematsu, Masanori Tachikawa, Hatsumi Mori, Jun Yoshinobu, and Iwao Matsuda

        link

      • Discovery of 2D Anisotropic Dirac Cones

        Advanced Materials 30, 1704025 (2018).
        Baojie Feng, Jin Zhang, Suguru Ito, Masashi Arita, Cai Cheng, Lan Chen, Kehui Wu, Fumio Komori, Osamu Sugino, Koji Miyamoto, Taichi Okuda, Sheng Meng, Iwao Matsuda

        link

      • Resonant magneto-optical Kerr effect measurement system with polarization analysis using a high harmonic generation laser

        J. Electron Spectrosc. Relat. Phyenom. 222, 68 (2018).
        Sh. Yamamoto, D. Oumbarek, M.Fujisawa, T. Someya Y. Takahashi, T. Yamamoto, N.Ishii, K. Yaji, S. Yamamoto, T. Kanai, K. Okazaki, M. Kotsugi, J. Itatani, S. Shin, I. Matsuda

        link

      • Surface electronic states of Au-induced nanowires on Ge(001)

        J. Phys.: Condens. Matter 30, 75001 (2018).
        Koichiro Yaji, Ryu Yukawa, Sunghun Kim, Yoshiyuki Ohtsubo, Patrick Le Fèvre, François Bertran, Amina Taleb-Ibrahimi, Iwao Matsuda, Kan Nakatsuji, Shik Shin and Fumio Komori

        link

      • 物質科学、この1年「ボロフェンにおけるディラックフェルミオン」

        パリティ 33 (1月号), p36 (2018).
        松田 巌

        link

      • 「光が奏でる楽器」一般公開で好評だった展示の紹介

        表面と真空 2号, p103 (2018).
        小瀬川 友香, 荒木 実穂子, 山添 康介, 山本 航平, 松田 巌

        link
      　

        2017

      • Femtosecond to picosecond transient effects in WSe2 observed by pump-probe angle-resolved photoemission spectroscopy

        Scientific Reports 7, 15981 (2017).
        Ro-Ya Liu, Yu Ogawa, Peng Chen, Kenichi Ozawa, Takeshi Suzuki, Masaru Okada, Takashi Someya, Yukiaki Ishida, Kozo Okazaki, Shik Shin, Tai-Chang Chiang and Iwao Matsuda

        link

      • Determination of the element-specific complex permittivity using a soft x-ray phase modulator

        Phys. Rev. B 96, 214417 (2017).
        Y. Kubota, Y. Hirata, J. Miyawaki, S. Yamamoto, H. Akai, R. Hobara, Sh. Yamamoto, K. Yamamoto, T. Someya, K. Takubo, Y. Yokoyama, M. Araki, M. Taguchi, Y. Harada, H. Wadati, M. Tsunoda, R. Kinjo, A. Kagamihata, T. Seike, M. Takeuchi, T. Tanaka, S. Shin, and I. Matsuda

        link

      • Visualizing Type-II Weyl Points in Tungsten Ditelluride by Quasiparticle Interference

        ACS Nano 11, 11 (2017).
        Chun-Liang Lin, Ryuichi Arafune, Ro-Ya Liu, Masato Yoshimura, Baojie Feng, Kazuaki Kawahara, Zeyuan Ni, Emi Minamitani, Satoshi Watanabe, Youguo Shi, Maki Kawai, Tai-Chang Chiang, Iwao Matsuda, and Noriaki Takagi

        link

      • L-edge resonant magneto-optical Kerr effect of a buried Fe nanofilm

        Phys. Rev. B 96, 134432 (2017).
        Y. Kubota, M. Taguchi, H. Akai, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, I. Matsuda

        link

      • Experimental realization of two-dimensional Dirac nodal line fermions in monolayer Cu2Si

        Nature Communications 8, 1007 (2017).
        Baojie Feng, Botao Fu, Shusuke Kasamatsu, Suguru Ito, Peng Cheng, Cheng-Cheng Liu, Ya Feng, Shilong Wu, Sanjoy K Mahatha, Polina Sheverdyaeva, Paolo Moras, Masashi Arita, Osamu Sugino, Tai-Chang Chiang, Kenya Shimada, Koji Miyamoto, Taichi Okuda, Kehui Wu, Lan Chen, Yugui Yao, Iwao Matsuda

        link

      • Measurement of the Resonant Magneto-Optical Kerr Effect Using a Free Electron Laser

        Applied Science 7, 7 (2017).
        Shingo Yamamoto and Iwao Matsuda

        link

      • Surface state of the dual topological insulator Bi0.91Sb0.09(112)

        Physica B: Condensed Matter 516, 100 (2017).
        I. Matsuda, K. Yaji, A. A. Taskin, M. D'angelo, R. Yukawa, Y. Ohtsubo, P. Le Fèvre, F. Bertran, S. Yoshizawa, A. Taleb-Ibrahimi, A. Kakizaki, Yoichi Ando, F. Komori

        link

      • Suppression of supercollision carrier cooling in high mobility graphene on SiC(0001)

        Phys. Rev. B 95, 165303 (2017). (Editor's Suggestion)
        Takashi Someya, Hirokazu Fukidome, Hiroshi Watanabe, Takashi Yamamoto, Masaru Okada, Hakuto Suzuki, Yu Ogawa, Takushi Iimori, Nobuhisa Ishii, Teruto Kanai, Keiichiro Tashima, Baojie Feng, Susumu Yamamoto, Jiro Itatani, Fumio Komori, Kozo Okazaki, Shik Shin, and Iwao Matsuda

        link

      • Dirac Fermions in Borophene

        Phys. Rev. Lett. 118, 096401 (2017). (Featured in Physics)
        Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng, and Iwao Matsuda

        link

      • Adsorption of CO2 on Graphene: A Combined TPD, XPS, and vdW-DF Study

        J. Phys. Chem. C, 5, 2807 (2017).
        Kaori Takeuchi, Susumu Yamamoto, Yuji Hamamoto, Yuichiro Shiozawa, Keiichiro Tashima, Hirokazu Fukidome, Takanori Koitaya, Kozo Mukai, Shinya Yoshimoto, Maki Suemitsu, Yoshitada Morikawa, Jun Yoshinobu, and Iwao Matsuda

        link

      • Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators

        J. Electron Spectrosc. Relat. Phyenom. (published online: dx.doi.org/10.1016)
        Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, I. Matsuda

        link

      • Interface Electronic Structure at the Topological Insulator - Ferrimagnetic Insulator Junction

        J. Phys. Cond. Matt. 29, 055002 (2017).
        Y. Kubota, K. Murata, J. Miyawaki, K. Ozawa, Kenichi, M. Onbasli, T. Shirasawa, B. Feng, Sh. Yamamoto, Ro-Ya Liu, S. Yamamoto, S. Mahatha, P. Sheverdyaeva, P. Moras, C. Ross, S. Suga, Y. Harada, K. Wang, I. Matsuda

        link

      　

        2016

      • Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement

        Phys. Rev. Lett. 117, 236402 (2016). (Editor's Suggestion)
        S. Ito, B. Feng, M. Arita, A. Takayama, R.-Y. Liu, T. Someya, W.-C. Chen, T. Iimori, H. Namatame, M. Taniguchi, C.-M. Cheng, S.-J. Tang, F. Komori, K. Kobayashi, T.-C. Chiang, and I. Matsuda

        link

      • Spin texture in type-II Weyl semimetal WTe2

        Phys. Rev. B 94, 195134 (2016).
        Baojie Feng, Yang-Hao Chan, Ya Feng, Ro-Ya Liu, Mei-Yin Chou, Kenta Kuroda, Koichiro Yaji, Ayumi Harasawa, Paolo Moras, Alexei Barinov, Walid Malaeb, Cédric Bareille, Takeshi Kondo, Shik Shin, Fumio Komori, Tai-Chang Chiang, Youguo Shi, and Iwao Matsuda

        link

      • Phonon-dressed two-dimensional carriers on the ZnO surface

        Phys. Rev. B 94, 165313 (2016).
        R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa, K. Shimada, E. F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M. Taniguchi, and I. Matsuda

        link

      • Time-resolved soft X-ray core-level photoemission spectroscopy to 880℃ using pulsed laser and synchrotron radiation, and switched heating current

        Surface Science 43, 656 (2017). [published online 14 October 2016]
        T. Abukawa, S. Yamamoto, R. Yukawa, S. Kanzaki, K. Mukojima, I.Matsuda

        link

      • Asymmetric structure of germanene on an Al(111) surface studied by total-reflection high-energy positron diffraction

        2D Materials 3, 035019 (2016).
        Yuki Fukaya, Iwao Matsuda, Baojie Feng, Izumi Mochizuki, Toshio Hyodo and Shin-ichi Shamoto

        link

      • Tailoring Photovoltage Response at SrRuO3/SrTiO3 heterostructures

        Advanced Materials Interfaces 3, 1600527 (2016). (Back Cover)
        Ryu Yukawa, Susumu Yamamoto, Kazuma Akikubo, Kaori Takeuchi, Kenichi Ozawa, Hiroshi Kumigashira, and Iwao Matsuda

        link

      • Direct evidence of metallic bands in a monolayer boron sheet

        Phys. Rev. B 94, 041408(R) (2016).
        B. Feng, J. Zhang, R.-Y. Liu, T. Iimori, C. Lian, L. Chen, K. Wu, H. Li, S. Meng, F. Komori, I. Matsuda

        link

      • Real-time observation of reaction processes of CO2 on Cu(997) by ambient-pressure X-ray photoelectron spectroscopy

        Topics in Catalysis 59, 526 (2016).
        Takanori Koitaya, Susumu Yamamoto, Yuichiro Shiozawa, Kaori Takeuchi, Ro-Ya Liu, Kozo Mukai, Shinya Yoshimoto, Kazuma Akikubo, Iwao Matsuda, and Jun Yoshinobu

        link

      • Generation of metallic eg-derived band at Cs/SrTiO3 interface observed by polarization-dependent photoemission spectroscopy

        Thin Solid Films 603, 149 (2016).
        Kazuma Akikubo, Iwao Matsuda, Didier Schmaus, Guillaume Marcaud, Susumu Yamamoto, Ro-Ya Liu, Ryu Yukawa, Mathieu G. Silly, Fausto Sirotti, and Marie D’Angelo

        link

      • Capturing transient charged states at the C60/TiO2(110) interface by time-resolved soft X-ray photoelectron spectroscopy

        Organic Electronics 31, 98 (2016).
        Kenichi Ozawa, Susumu Yamamoto, Ryu Yukawa, Kazuma Akikubo, Masato Emori, Hiroshi Sakama, Iwao Matsuda

        link

      • Light and SEM observation of opal phytoliths in the mulberry leaf

        Flora 218, 44 (2016).
        O. Tsutsui, R. Sakamoto, M. Obayashi, S. Yamakawa, T. Handa, D. Nishio-Hamane and I. Matsuda

        link
      　

        2015

      • Optically detecting edge-state of topological insulator under the ambient condition by ultrafast infrared photoluminescence spectroscopy

        Scientific Reports 5, 16443 (2015).
        Shunya Maezawa, Hiroshi Watanabe, Masahiro Takeda, Takashi Someya, Kenta Kuroda, Iwao Matsuda, Tohru Suemoto

        link

      • Photoemission Circular Dichroism and Spin Polarization of the Topological Surface States in Ultrathin Bi2Te3 Films

        Phys. Rev. Lett. 115, 016801 (2015). (Editor's Suggestion)
        C.-Z. Xu, Y. Liu, R. Yukawa, L.-X. Zhang, I. Matsuda, T. Miller, and T.-C. Chiang

        link

      • A deeper insight into phase relations in ultra thin Pb films

        Phys. Rev. B 92, 115415 (2015).
        Ro-Ya Liu, Angus Huang, Chien-Chung Huang, Chang-Yeh Lee, Chuang-Huang Lin, Cheng-Maw Cheng, Ku-Ding Tsuei, Horng-Tay Jeng, Iwao Matsuda, S. -J. Tang

        link

      • Ultrafast spin-switching of a ferrimagnetic alloy at room temperature traced　by resonant magneto-optical Kerr effect using a seeded free electron laser

        Rev. Sci. Instrum. 86, 083901 (2015).
        Sh. Yamamoto, M. Taguchi, T. Someya, Y. Kubota, S. Ito, H. Wadati, M. Fujisawa, F. Capotondi, E. Pedersoli, M. Manfredda, F. Casolari, Maya Kiskinova, J. Fujii, P. Moras, T. Nakamura, T. Kato, T. Higashide, S. Iwata, S. Yamamoto, S. Shin, and I. Matsuda

        link

      • Anisotropic effective mass approach for multiple subband structures at wide-gap semiconductor surfaces: Application to accumulation layers of SrTiO3 and ZnO

        Surf. Sci. 641, 224-230 (2015).
        R. Yukawa, K. Ozawa, S. Yamamoto, R.-Y. Liu, and I. Matsuda

        link

      • Significantly enhanced giant Rashba splitting in a thin film of binary alloy

        New J. Phys. 17, 083015 (2015).
        W.-C. Chen, T.-R. Chang, S.-T. Tsai, Sh. Yamamoto, J.-M., Kuo, C.-M. Cheng, K.-D. Tsuei, K. Yaji, H. Lin, H -T, Jeng, C.-Y. Mou, I. Matsuda, S.-J. Tang

        link

      • グラフェンの超高速状態を直接観測

        光アライアンス 2015年9月号
        染谷隆史、吹留博一、松田巌

        link

      • フェムト秒域時間分解光電子分光法によるグラフェンの超高速キャリアダイナミクスの追跡

        表面科学会誌 36, 418 (2015).
        染谷隆史、吹留博一、石田行章、吉田力矢、山本達、板谷治郎、小森文夫、辛埴、松田巌

        link

      • Scanning tunneling spectroscopy study of quasiparticle interference on the dual topological insulator Bi(1−x)Sb(x)

        Phys. Rev. B 91, 045423 (2015).
        S. Yoshizawa, F. Nakamura, A. A. Taskin, T. Iimori, K. Nakatsuji, I. Matsuda, Yoichi Ando, and Fumio Komori

        link

      　

        2014

      • Experimental evidence for two-dimensional states localized in subsurface region in Ge(111)

        J. Electron Spectrosc. Relat. Phenom. 201, 92 (2014).
        K. Yaji, Y. Ohtsubo, S. Hatta, H. Okuyama, R. Yukawa, I. Matsuda, P. Le Fevre, F. Bertran, A. Taleb-Ibrahimi, A. Kakizaki, T. Aruga

        link

      • Electron-hole recombination on ZnO(0001) single-crystal surface studied by time-resolved soft X-ray photoelectron spectroscopy

        Appl. Phys. Lett. 105, 151602 (2014).
        R. Yukawa, S. Yamamoto, K. Ozawa, M. Emori, M. Ogawa, Sh. Yamamoto, K. Fujikawa, R. Hobara, S. Kitagawa, H. Daimon, H. Sakama, and I. Matsuda

        link

      • Titanium-induced charge of Si(001) surface dependent on local configuration

        J. Electron Spectrosc. Relat. Phenom. 192, 35-39 (2014).
        K. Shudo, T. Aoki, S. Ohno, K. Yamazaki, F. Nakayama, M. Tanaka,T. Okuda, A. Harasawa, I. Matsuda, T. Kakizaki, M. Uchiyama

        link

      • 時間分解軟X線光電子分光法による表面キャリアダイナミクス研究の進展

        日本放射光学会誌 27, 5 (2014).
        山本達、松田巌

        link

      • Development of an electromagnetic phase shifter using a pair of cut-core coils for a cross undulator

        Nuclear Instruments and Methods in Physics Research Section A 767, 296 (2014).
        I.Matsuda, A. Kuroda, J. Miyawaki, Y. Kosegawa, S. Yamamoto, T. Seike, T. Bizen, Y. Harada, T. Tanaka, and H. Kitamura

        link

      • マイクロビームアナリシス・ハンドブックI.基礎編より「時間分散」

        オーム社、日本学術振興会マイクロビームアナリシス第141委員会編
        松田巌

        link

      • Anisotropic electronic conduction in metal nanofilms grown on a one-dimensional surface superstructure

        Phys. Rev. B 89, 125415 (2014).
        Naoka Nagamura, Rei Hobara, Tomoya Uetake, Toru Hirahara, Manami Ogawa, Taichi Okuda, Ke He, P. Moras, P. M. Sheverdyaeva, C. Carbone, Katsuyoshi Kobayashi, I Matsuda, and Shuji Hasegawa

        link

      • Non-linear kinetic model for oscillatory relaxation of the photovoltage effect on a Si(111)7x7 surface

        Surf. Sci. 624, 70 (2014).
        M. Ogawa, R.-Y. Liu, C.-H. Lin, S. Yamamoto, R.Yukawa, R. Hobara, S.-J. Tang, and I. Matsuda

        link

      • Observation of a giant Kerr rotation in a ferromagnetic transition metal by M-edge resonant magneto-optic Kerr effect

        Phys. Rev. B 89, 064423 (2014).
        Sh. Yamamoto, M. Taguchi, M. Fujisawa, R. Hobara, S.Yamamoto, K. Yaji, T. Nakamura, K. Fujikawa, R. Yukawa, T. Togashi, M. Yabashi, M. Tsunoda, S. Shin, and I. Matsuda

        link

      • Rashba effects within the space charge layer of a semiconductor

        New. J. Phys. 16, 045003 (2014).
        Chung-Huang Lin, Tay-Rong Chang, Ro-Ya Liu, Cheng-Maw Cheng, Ku-Ding Tsuei, H.-T. Jeng, Chung-Yu Mou, Iwao Matsuda, S.-J. Tang,

        link

      • 表面電子化合物

        PF News 31, 33 (2014).
        松田巌、深谷有喜

        link

      • New soft X-ray beamline BL07LSU at SPring-8

        J. Synchrotron Radiation 21, 352 (2014).
        S. Yamamoto, Y. Senba, T. Tanaka, H. Ohashi, T. Hirono, H. Kimura, M. Fujisawa, J. Miyawaki, A. Harasawa, T. Seike, S. Takahashi, N. Nariyama, T. Matsushita, M. Takeuchi, T. Ohata, Y. Furukawa, K. Takeshita, S. Goto, Y. Harada, S. Shin, H. Kitamura, A. Kakizakia, M. Oshima and I. Matsuda

        link

      • Observing hot carrier distribution in an n-type epitaxial graphene on a SiC substrate

        Appl. Phys. Lett. 104, 161103 (2014).
        T. Someya, H. Fukidome, Y. Ishida, R. Yoshida, T. Iimori, R. Yukawa, K. Akikubo, S. Yamamoto, S. Yamamoto, T. Yamamoto, T. Kanai, K. Funakubo, M. Suemitsu, J. Itatani, F. Komori, S. Shin, and I. Matsuda

        link

      • Electron–Hole Recombination Time at TiO2 Single-Crystal Surfaces: Influence of Surface Band Bending

        J. Phys. Chem. Lett. 5, 1953 (2014).
        K. Ozawa, M. Emori, S. Yamamoto, R. Yukawa, S. Yamamoto, R. Hobara, K. Fujikawa, H. Sakama and I. Matsuda

        link

      • 反射高速陽電子回折（RHEPD）によるAg(111)表面上のシリセンの構造決定

        PF News 32, 10 (2014).
        深谷有喜、望月出海、前川雅樹、和田健、兵頭俊夫、松田巌、河裾厚男

        link

      　

        2013

      • Time-resolved photoelectron spectroscopies using synchrotron radiation: Past, present, and future

        2013 | J. Phys. Soc. Jpn., 82, 021003
        S. Yamamoto, I. Matsuda

        Invited review paper in the special volume "Frontier of Condensed Matter Physics using Synchrotron Radiation"

        link

      • Electronic structure of the hydrogen-adsorbed SrTiO3(001) surface studied by polarization-dependent photoemission spectroscopy

        2013 | Phys. Rev. B 87, 115314
        R. Yukawa, S. Yamamoto, K. Ozawa, M. D’Angelo, M. Ogawa, M. G. Silly, F. Sirotti, and I. Matsuda

        link

      • 金属超薄膜内に閉じ込められた電子系のフェルミ面トポロジー制御-量子効果で銀細工

        2013 | 固体物理48(3), 13-19
        永村直佳、小河愛実、松田巌

        link

      • 表面科学会教科書シリーズ

        2013 |
        I. Matsuda

        第６巻 演習書「2.24 量子井戸」

        link

      • Oscillatory relaxation of surface photovoltage on a semiconductor surface

        2013 | Phys. Rev. B 87, 235308
        M. Ogawa, S. Yamamoto, R. Yukawa, R. Hobara, L.-C. Huang, R.-Y. Liu, S.-J. Tang, and I. Matsuda

        link

      • Relaxations of the surface photovoltage effect on the atomically controlled semiconductor surfaces studied by time-resolved photoemission spectroscopy

        2013 | Phys. Rev. B 88, 165313
        M. Ogawa, S. Yamamoto, K. Fujikawa, R. Hobara, R. Yukawa, Sh. Yamamoto, S. Kitagawa, D. Pierucci, M.G. Silly, C.-H. Lin, R.-Y. Liu, H. Daimon, F. Sirotti, S.-J. Tang, and I. Matsuda

        link

      • Structure of silicene on a Ag(111) surface studied by reflection high-energy positron diffraction

        2013 | Phys. Rev. B 88, 205413
        Y. Fukaya, I. Mochizuki, M. Maekawa, K. Wada, T. Hyodo, I. Matsuda, and A. Kawasuso

        link

      　

        2012

      • Controlling the topology of Fermi surfaces in metal nanofilms

        2012 | Phys. Rev. Lett., 109, 026802
        M. Ogawa,A. Gray, P. M. Sheverdyaeva, P. Moras, H. Hong, L.-C. Huang, S.-J. Tang, K. Kobayashi, C. Carbone, T.-C. Chiang, and I. Matsuda

        link

      • Atomic and electronic structures of Si(111)- √21×√21 superstructure

        2012 | e-J. Surf. Sci. Nanotechnology 10, 310-314
        Y. Fukaya, K. Kubo, T. Hirahara, S. Yamazaki, W. H. Choi, H. W. Yeom, S. Hasegawa, A. Kawasuso, and I. Matsuda

        link

      • Hydrogen-induced surface metallization of SrTiO3(001)

        2012 | Phys. Rev. Lett. 108, 116802
        M. D’Angelo, R. Yukawa, K. Ozawa, S. Yamamoto, T. Hirahara, S. Hasegawa, M.G. Silly, F. Sirotti, and I. Matsuda

        link

      • Development of soft X-ray time-resolved photoemission spectroscopy systemwith a two-dimensional angle-resolved time-of-flight analyzer at SPring-8 BL07LSU

        2012 | Rev. Sci. Instrum. 83, 023109
        Manami Ogawa, Susumu Yamamoto, Yuka Kousa, Fumitaka Nakamura, Ryu Yukawa, Akiko Fukushima, Ayumi Harasawa, Hiroshi Kondo, Yoshihito Tanaka, Akito Kakizaki, and Iwao Matsuda

        link

      • Electronic structure study of ultra thin Ag(111) films modified by Si(111) substrate and by the √3x√3-Ag2Bi surface

        2012 | J. Phys.: Condens. Matter 24, 115501
        M. Ogawa, P. M. Sheverdyaeva, P.Moras, D. Topwal, A. Harasawa, K. Kobayashi, C. Carbone, and I. Matsuda

        link

      • Elucidation of Rh-induced in-gap states of Rh:SrTiO3 visible-light-driven photocatalyst by soft x-ray spectroscopy and first-principles calculations

        2012 | J. Phys. Chem. C, 116, 24445
        S. Kawasaki, K. Akagi, K. Nakatsuji, S. Yamamoto, I. Matsuda, Y. Harada, J. Yoshinobu, F. Komori, R. Takahashi, M. Lippmaa, C. Sakai, H. Niwa, M. Oshima, K. Iwashina, A. Kudo

        link

      • Atomic configuration and phase transition of Pt-induced nanowire on Ge(001) surface studied by scanning tunneling microscopy, reflection high-energy positron diffraction and angle resolved photo-emission spectroscopy

        2012 | Phys. Rev. B 85, 245438
        Izumi Mochizuki, Yuki Fukaya, Atsuo Kawasuso, Ken Wada, Toshio Hyodo, Koichiro Yaji, Ayumi Harasawa, and Iwao Matsuda

        link

      • Structural analysis of Si(111)-√21×√21-(Ag, Cs) surface by reflection high-energy positron diffraction

        2012 | Surface Science 606, 1918
        Y. Fukaya, I. Matsuda, R. Yukawa, and A. Kawasuso

        link

      　

        2011

      • Metallic Transport in a Monatomic Layer of In on a Silicon Surface

        2011 | Phys. Rev. Lett., 106, 116802
        S. Yamazaki, Y. Hosomura, I. Matsuda, R. Hobara, T. Eguchi, Y. Hasegawa, and S. Hasegawa

        link

      • Development of a surface magneto-transport measurement system with multi-probes and the in situ measurement of Bi nanofilms prepared on Si(111)7×7

        2011 | Japanese Journal of Applied Physics 50, 036602
        N. Miyata, R. Hobara, H. Narita, T. Hirahara, S. Hasegawa, and *I. Matsuda

        link

      • Enhanced spin relaxation in a quantum metal film by the Rashba-type surface

        2011 | Phys. Rev. B, 83, 195305
        N. Miyata, H. Narita, M. Ogawa, A. Harasawa, R. Hobara, T. Hirahara, P. Moras, D.Topwal, C.Carbone, S.Hasegawa, and I. Matsuda

        link

      • Design of a new soft X-ray beamline for a long undulator source of SPring-8

        2011 | Nucl. Instr.and Meth. A 649, 58
        Y. Senba*, S. Yamamoto, H. Ohashi, I. Matsuda, M. Fujisawa, A. Harasawa, T. Okuda, S. Takahashi, N. Nariyama, T. Matsushita, T. Ohata, Y. Furukawa, T. Tanaka, K. Takeshita, S. Goto, H. Kitamura, A. Kakizaki and M. Oshima

        link

      • Topological transition in Bi1-xSbx studied as a function of Sb doping

        2011 | Phys. Rev. B 84 235308
        F. Nakamura, Y. Kousa, A. A. Taskin, Y. Takeichi, A. Nishide, A. Kakizaki,M. D’Angelo, P. Lefevre, F. Bertran, A. Taleb-Ibrahimi, F. Komori, S. Kimura, H. Kondo, Y. Ando, and I. Matsuda

        link

      • 「トポロジカル絶縁体の電子構造」

        2011 | 表面科学 32(4), 182
        松田巌

        link

      　

        2010

      • Direct mapping of the spin-filtered surface bands of a three-dimensional quantum spin Hall insulator

        2010 | Phys. Rev. B 81, 041309
        A. Nishide, A. A. Taskin, Y. Takeichi, T. Okuda, A. Kakizaki, T. Hirahara, K. Nakatsuji, F. Komori, Y. Ando, and I. Matsuda

        link

      • Electron compound nature in a surface atomic layer of two-dimensional hexagonal lattice

        2010 | Phys. Rev. B 82, 165330
        I. Matsuda, K. Kubo, T. Hirahara, S. Yamazaki, W. H. Choi, H. W. Yeom, H. Narita, Y. Fukaya, M. Hashimoto, A. Kawasuso, S. Hasegawa, and K. Kobayashi

        link

      • Spin-polarized surface bands of a three-dimensional topological insulator studied by high-resolution spin- and angle-resolved photoemission spectroscopy

        2010 | New Journal of Physics 12, 065011
        Akinori Nishide, Yasuo Takeichi, Taichi Okuda, Alexey A. Taskin, Toru Hirahara, Kan Nakatsuji, Fumio Komori, Akito Kakizaki, Yoichi Ando, and Iwao Matsuda

        link

      • Phase transition temperatures determined by different experimental methods: Si(111)4x1-In surface with defects

        2010 | Phys. Rev. B 81, 035314
        T. Shibasaki, N. Nagamura, T. Hirahara, .H. Okino, S. Yamazaki, W. Lee, H. Shim, R. Hobara, I. Matsuda, G.S. Lee, and S. Hasegawa

        link

      • Anomalous transport in an n-type topological insulator ultrathin Bi2Se3 film

        2010 | Phys. Rev. B 82, 155309
        T. Hirahara, Y. Sakamoto, Y. Takeichi, H. Miyazaki, S. Kimura, I. Matsuda, A. Kakizaki, S. Hasegawa

        link

      • A topological metal at the surface of an ultrathin Bi1-xSbx alloy film

        2010 | Phys. Rev. B 81, 165422
        T .Hirahara, Y. Sakamoto, Y. Saisyu, H. Miyazaki, S. Kimura, T. Okuda, I. Matsuda, S. Murakami, and S. Hasegawa

        link

      • Large out-of-plane spin polarization in a spin-splitting one-dimensional metallic surface state on Si(557)-Au

        2010 | Phys. Rev. B 82, 161410(R)
        Taichi Okuda, Koji Miyamaoto, Yasuo Takeichi, Hirokazu Miyahara, Manami Ogawa, Ayumi Harasawa, Akio Kimura, Iwao Matsuda, Akito Kakizaki, Tatsuya Shishidou, and Tamio Oguchi

        link

      • Direct Spectroscopic Evidence of Spin-Dependent Hybridization between Rashba-Split Surface States and Quantum-Well States

        2010 | Phys. Rev. Lett. 104, 156805
        Ke He, Yasuo Takeichi, Manami Ogawa, Taichi Okuda, P. Moras, D. Topwal, Ayumi Harasawa, Toru Hirahara, C. Carbone, Akito Kakizaki, and Iwao Matsuda

        link

      • ラシュバ分裂した表面状態との混成により誘起された金属量子井戸状態のスピン分裂

        2010 | 表面科学、31 (9), 493
        武市泰男、何珂、奥田太一、平原徹、柿崎明人、松田巌

        link

      • 「トポロジカル絶縁体の物理」

        2010 | 日本物理学会誌　65, 849
        村上修一、平原徹、松田巌

        link

      　

        2009

      • Conductivity of the Si(111)7×7 dangling-bond state

        2009 | Phys. Rev. B 79, 035318
        Marie D’angelo, Keiko Takase, Nobuhiro Miyata, Toru Hirahara, and Shuji Hasegawa, Akinori Nishide, Manami Ogawa, and Iwao Matsuda

        link

      • Atomic Scale Study of Surface Structures and Phase Transition with Reflection High-Energy Positron Diffraction

        2009 | Mater. Sci. For. 607, 94
        A. Kawasuso,Y. Fukaya, M. Hashimoto, A. Ichimiya, H. Narita and I Matsuda

        link

      • Localization and Hopping Conduction at Glass and Crystal Phases of Monatomic Au Layers on Silicon Surface

        2009 | Phys. Rev. B 79, 085317
        S. Yamazaki, I. Matsuda, H. Okino, H. Morikawa, and S. Hasegawa

        link

      • High efficiency and high-energy resolution spin-polarized photoemission spectrometer

        2009 | Eur. Phys. J. Special Topics 169, 181
        T. Okuda et al.

        link

      • Substrate dependence of anisotropic electronic structure in Ag(111) quantum film studied by angle-resolved photoelectron spectroscopy

        2009 | Phys. Rev. B 80, 113409
        Taichi Okuda, Yasuo Takeichi, Ke He, Ayumi Harasawa, Akito Kakizaki, and Iwao Matsuda

        link

      • Metal Co-Adsorption Induced R21xR21 Superstructure on Si(111) Surface Studied by Reflection High-Energy Positron Diffraction

        2009 | e-J. Surf. Sci. Nanotechnology, 7, 432
        Y. Fukaya,I. Matsuda,M. Hashimoto,H. Narita,A. Kawasuso, and A. Ichimiya

        link

      • 特集「超にいどむ」1nm厚金属超薄膜の作製と界面原子層制御による新奇量子物性の発現

        2009 | 化学工学, 73(4)
        松田巌

        link

      　

        2008

      • Spin-polarization of quantum well states in Ag films induced by Rashba effect at surface

        2008 | Phys. Rev. Lett., 101, 107604
        K. He, T. Hirahara, T. Okuda, S. Hasegawa, A. Kakizaki, and I. Matsuda

        NPG Asia Materials research highlight、Published online 19 November 2008

        link

      • Electron Transport Property of Quantum-Well States in Ultrathin Pb (111) Films

        2008 | Phys. Rev. B 78, 245405
        N. Miyata, K. Horikoshi, T. Hirahara, S. Hasegawa, C. M. Wei, and I. Matsuda

        link

      • Absence of Chrage-Density Waves on the Dense Pb/Ge(111)-√3×√3 Surface

        2008 | Phys. Rev. B 77, 193310
        H. Morikawa, I. Matsuda, and S. Hasegawa

        link

      • Manipulating quantum-well states by surface alloying: Pb on ultrathin Ag films

        2008 | Phys. Rev. B 78, 035408
        T. Hirahara, T. Komorida, A. Sato, G. Bihlmayer, E. V. Chulkov, K. He, I. Matsuda, and S. Hasegawa

        link

      • Electronic Transport of Au-Adsorbed Si(111)-√3×√3-Ag Surface: Metallic Conduction and Localization

        2008 | Phys. Rev. B 78, 035326
        C. Liu, I. Matsuda, S. Yoshimoto, T. Kanagawa, and S.Hasegawa

        link

      • Weak Electron Correlation Effects Observed in Angle-Resolved Photoemission Spectra of MnSi(100)

        2008 | J. Phys. Soc. Jpn., 77, 024709
        Keiji Kura, Kohsuke Takano, Yasuo Takeichi, Ayumi Harasawa, Taichi Okuda, Iwao Matsuda, Akito Kakizaki

        link

      • Origin of the surface-state band-splitting in ultrathin Bi Flms: From a Rashba effect to a parity effect

        2008 | New Journal of Physics 10, 083038
        T Hirahara, K. Miyamoto, A. Kimura, Y. Niinuma, G. Bihlmayer, E. V. Chulkov, T. Nagao, I. Matsuda, S. Qiao, K. Shimada, H. Namatame, M. Taniguchi, and S. Hasegawa

        link

      • Band-bending inhomogeneity of Au adsorbed Si(111)-√3×√3-Ag evaluated with Si 2p core-level spectra

        2008 | Surf. Sci.602, 3316
        C. Liu, I. Matsuda, T. Hirahara, S. Hasegawa, J. Okabayashi, S. Toyoda, and M. Oshima

        link

      • Growth, Quantum confinement and Transport mechanisms of Ge nanodot arrays formed on a SiO2 monolayer (Review)

        2008 | e-J. of Surf. Sci. and Nanotechnology 6, 191-201
        Y. Nakayama, I. Matsuda, S. Hasegawa, and M. Ichikawa

        link

      • A New Spin-polarized Photoemission Spectrometer with Very High Efficiency and Energy Resolution

        2008 | Rev. Sci. Instrum. 79, 123117
        T. Okuda, Y. Takeichi, Yuuki Maeda, A. Harasawa, I. Matsuda, T. Kinoshita, and A. Kakizaki

        link

      　

        2007

      • High-yield Synthesis of Conductive Carbon Nanotube Tips for Multiprobe Scanning Tunneling Microscope

        2007 | Review of Scientific Instruments 78, 013703
        H. Konishi, Y. Murata, W. Wongwiriyapan, M. Kishida, K. Tomita, K. Motoyoshi, S. Honda, and M. Katayama, S. Yoshimoto, K. Kubo, R. Hobara, I. Matsuda, and S. Hasegawa, M. Yoshimura, J.-G. Lee and H. Mori

        link

      • Quantum Well States in Ultrathin Bi Films Studied by Angle-Resolved Photoemission Spectroscopy and First Principles Calculation

        2007 | Phys. Rev. B 75, 035422
        T. Hirahara, T. Nagao, I. Matsuda, G. Bihlmayer, E. V. Chulkov, Yu. M. Koroteev, and S. Hasegawa

        link

      • Direct Observation of Spin Splitting in Bismuth Surface States

        2007 | Phys. Rev. B 76,153305
        T. Hirahara, K. Miyamoto, I. Matsuda, T. Kadono, A. Kimura, T. Nagao, G. Bihlmayer, E. V. Chulkov, S. Qiao, K. Shimada, H. Namatame, M. Taniguchi, and S. Hasegawa

        link

      • 10-nm-Scale Four-Point Probe Resistance Measurement Using Carbon Nanotube Tips in Four-Tip Scanning Tunneling Microscope

        2007 | Nano Letters 7, 956
        S. Yoshimoto, Y. Murata, K. Kubo, K. Tomita, K. Motoyoshi, T. Kimura, H. Okino, R. Hobara, I. Matsuda, S. Honda, M. Katayama, and S. Hasegawa

        link

      • Electron-phonon interaction and localization of surface-state carriers in a metallic monolayer

        2007 | Phys. Rev. Lett. 99, 146805
        I. Matsuda, C. Liu, T. Hirahara, M. Ueno, T. Tanikawa, T. Kanagawa, R. Hobara, S. Yamazaki, S. Hasegawa, and K. Kobayashi

        link

      • Variable-Range-Hopping Conduction at Glass-Crystal Transition in Monatomic Layers on Silicon Surfaces

        2007 | Phys. Rev. Lett
        S. Yamazaki, I. Matsuda, H. Okino, H. Morikawa, and S. Hasegawa

        link

      • Variable-Temperature Independently-Driven Four-Tip Scanning Tunneling Microscope

        2007 | Rev. Sci. Inst., 78, 053705
        R. Hobara, N. Nagamura, I. Matsuda, S. Hasegawa, Y. Yamamoto, Y. Miyatake, and T. Nagamura

        link

      • Transport in Defective Quasi-One-Dimensional Atomic-Chain Arrays of Gold on Vicinal Silicon Surfaces

        2007 | Phys. Rev. B 76, 035424
        H. Okino, I. Matsuda, S. Yamazaki, R. Hobara, and S. Hasegawa

        link

      • Fermiology and transport in metallic monatomic layers on semiconductor surfaces

        2007 | J. Phys. Cond. Mat. 19, 355007
        I. Matsuda and S. Hasegawa

        invited to Topical Review Article in the Fermi Surfaces Special Issue

        link

      • Electronic structures of the highest occupied molecular orbital bands of a pentacene ultrathin film

        2007 | Phys. Rev. Lett. 98, 247601
        H. Kakuta, T. Hirahara, I. Matsuda, T. Nagao, S. Hasegawa, N. Ueno, and K. Sakamoto

        link

      • Electrical conduction of Ge nanodot arrays formed on an oxidized Si surface,

        2007 | Appl. Phys. Lett., 91,123104
        Y. Nakayama, S. Yamazaki, H. Okino, T. Hirahara, I. Matsuda, and S. Hasegawa

        link

      • Large surface-state conductivity in ultrathin Bi films

        2007 | Appl. Phys. Lett., 91, 202106
        T. Hirahara, I. Matsuda, S. Yamazaki, N. Miyata, T. Nagao, and S. Hasegawa

        link

      • Influence of Defects on Transport in Quasi-One-Dimensional Metallic Atomic-Chain Arrays on Silicon Surfaces

        2007 | Phys. Rev. B 76, 195418
        H. Okino, I. Matsuda, R. Hobara, S. Hasegawa, Y. Kim and G. Lee

        link

      • Absence of Charge-Density Waves on the Dense Pb/Ge(111)-√3×√3 Surface

        2007 | Phys. Rev. B
        H. Morikawa, I. Matsuda, and S. Hasegawa

        link

      • Quantum-Size Effect in Uniform Ge-Sn Alloy Nanodots Observed by Photoemission Spectroscopy

        2007 | Jpn. J. Appl. Phys. 46, L1176
        Y. Nakayama, K. Takase, T. Hirahara, S. Hasegawa, T. Okuda, A. Harasawa, I. Matsuda, Y. Nakamura, M. Ichikawa

        link

      • 解説「単原子ステップを通過する表面自由電子」

        Feburary 2007 | 日本物理学会誌
        松田巌、保原麗、長谷川修司

        link

      • 波数空間の表面科学：フェルミオロジー

        2007 | 2007年物性若手の夏の学校テキスト
        松田巌

        Textbook

        link

      • Si(111)√3x√3-Ag表面上における原子レベルでの金ナノクラスターの自己組織化

        2007 | PF News 25 (No. 3), 17
        劉燦華，松田巌，長谷川修司

        link