Updated on 2021/06/22

写真b

 
EDAMOTO Kazuyuki
 
*Items subject to periodic update by Rikkyo University (The rest are reprinted from information registered on researchmap.)
Affiliation*
College of Science Department of Chemistry
Graduate School of Science Field of Study: Chemistry
Graduate School of Science Field of Study: Chemistry
Title*
Professor
Degree
理学博士 ( 京都大学 )
Contact information
Mail Address
Research Theme*
  • 表面化学。超高真空系内でさまざまにデザインされた固体表面を作成し、光電子分光を主体として電子線回折、昇温脱離分光などを組み合わせた複合表面分析手段によりそれらの物性、反応性を研究する。特に、表面電子状態と表面反応性の相関を解明することにより、表面の示す反応性の本質を明らかにすることを目標としている。

  • Research Interests
  • Surface Chemistry

  • Campus Career*
    • 10 2004 - Present 
      College of Science   Department of Chemistry   Professor
    • 10 2004 - Present 
      Graduate School of Science   Field of Study: Chemistry   Professor
    • 10 2004 - Present 
      Graduate School of Science   Field of Study: Chemistry   Professor
     

    Research Areas

    • Nanotechnology/Materials / Functional solid state chemistry

    Research History

    • 10 2004 - Present 
      RIKKYO UNIVERSITY   Graduate School of Science Field of Study: Chemistry   Professor

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    • 10 2004 - Present 
      RIKKYO UNIVERSITY   Graduate School of Science Field of Study: Chemistry   Professor

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    • 10 2004 - Present 
      RIKKYO UNIVERSITY   College of Science Department of Chemistry   Professor

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    • 4 1998 - 9 2004 
      東京工業大学 理工研究科 物質科学専攻   助教授

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    • 4 1998 - 9 2004 
      東京工業大学 理工研究科 物質科学専攻   助教授

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    • 10 1993 - 3 1998 
      Tokyo Institute of Technology   School of Science, Dept. of Chemistry

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    • 10 1987 - 9 1993 
      Tokyo Institute of Technology   School of Science, Dept. of Chemistry

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    • 4 1986 - 9 1987 
      Tokyo Institute of Technology   School of Science, Dept. of Chemistry

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    Education

    • - 3 1986 
      Kyoto University   Graduate School, Division of Natural Science

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      Country: Japan

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    • - 3 1986 
      Kyoto University   Graduate School, Division of Natural Science

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      Country: Japan

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    • - 3 1986 
      Kyoto University   Graduate School, Division of Natural Science

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      Country: Japan

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    • - 3 1983 
      Kyoto University   Graduate School, Division of Natural Science

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      Country: Japan

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    • - 3 1983 
      Kyoto University   Graduate School, Division of Natural Science

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      Country: Japan

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    • - 3 1981 
      Kyoto University   Faculty of Science

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      Country: Japan

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    Committee Memberships

    • 6 2001 - Present 
      日本表面科学会   評議員

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      Committee type:Academic society

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    • 6 1997 - 5 2001 
      日本表面科学会   理事

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      Committee type:Academic society

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    • 4 2000 - 3 2001 
      日本表面科学会   講演大会委員長

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      Committee type:Academic society

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    • 6 1991 - 5 2000 
      日本表面科学会   会誌編集委員

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      Committee type:Academic society

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    Awards

    • 12 1991  
      日本表面科学会  日本表面科学会 奨励賞 
       
      枝元一之

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      Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

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    Papers

    • Angle-resolved and resonant photoelectron spectroscopy study of Ni2P(10-10) single-crystal surface Peer-reviewed

      K. Edamoto, H. Inomata, N. Yasuno, K. Ozawa, Y. Nakagawa, K. Asakura, S. Otani

      Journal of the Surface Science Society of Japan31 ( 7 ) 324 - 330   10 7 2010

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    • Electronic structure of Ni2P(10-10) surface: Angle-resolved photoemission study (共著) Peer-reviewed

      「K. Edamoto」「H. Inomata」「K. Ozawa」「Y. Nakagawa」「K. Asakura」「S. Otani

      Solid State Communications150 ( 25-26 ) 1120 - 1123   7 4 2010

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      DOI: 10.106/j.ssc.2010.03.026

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    • Electronic structures of the suboxide films formed on TiC(100) and ZrC(100) surfaces: Density functional theory studies Peer-reviewed

      「T. Shimada」「K. Imamura」「K. Edamoto」「H. Orita」

      Surface Science603   2340 - 2344   6 2009

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      DOI: 10.1016/j-susc.2009.05.018

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    • Formation and characterization of the Cu2O overlayer on Zn-terminated ZnO(0001) Peer-reviewed

      「K. Ozawa」「Y, Oba」「K. Edamoto

      Surface Science603   2163 - 2170   5 2009

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      DOI: 10.1016/j-susc.2009.04.027

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    • Valence-band structure of the polar ZnO surfaces studied by angle-resolved photoelectron spectroscopy Peer-reviewed

      K. Ozawa, Y. Oba, K. Edamoto, M. Higashiguchi, Y. Miura, K. Tanaka, K. Shimada, H. Namatame, M. Taniguchi

      PHYSICAL REVIEW B79 ( 7 ) 075314-1 - 075314-7   2 2009

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      Valence-band structures of the polar ZnO surfaces, i.e., ZnO(0001)-Zn and ZnO(000 (1) over bar)-O, have been investigated by angle-resolved photoelectron spectroscopy utilizing synchrotron radiation. On the (1x1) O-terminated surface, surface-localized states forming dispersing bands with a (1x1) periodicity are identified at the upper portion of the valence-band region. The energetic position of these states and the fact that their photoemission intensities are sensitive to gas adsorption suggest that there is a contribution from the O 2p dangling-bond orbital of the surface O atoms. Comparing the valence-band structure of the (000 (1) over bar)-O surface with that of the (0001)-Zn surface, a deviation of the electronic structure in the near surface region from that in the bulk is found to be larger on (0001)-Zn than on (000 (1) over bar)-O. The role of the step structures, which exist on both polar surfaces but with much higher density on the (0001)-Zn surface, in the modification of the electronic structure is discussed.

      DOI: 10.1103/PhysRevB.79.075314

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    • A theoretical study of O/Ti Co-adsorption on Ag(100) Peer-reviewed

      Kenji Imamura, Homare Kaneko, Kenichi Ozawa, Kazuyuki Edamoto

      e-Journal of Surface Science and Nanotechnology7   7 - 12   10 1 2009

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      The co-adsorption of titanium atoms and oxygen molecule on the Ag(100) cluster surface has been investigated by the density functional theory calculation. In order to achieve the convergence of a self-consistent-field (SCF) iteration, the approach using the pseudo-fractional occupation number (pFON) or the quadratically convergent SCF (QCSCF) approach is employed in this study. First, we investigated the adsorption of nTi atoms (n = 1-4) on Ag(100), and found that any bonding orbitals between Ti and Ag atoms were not formed and the systems were stabilized by the formation of Ti-Ti bonds. As the Ti-precovered surfaces were interacted with O2, we found that oxygen adsorbs both molecularly and dissociatively at n ≤ 2, while the adsorbed oxygen always dissociates at n ≥ 3. At n ≥ 3, the dissociated O atoms form a TiO-chain or a TiO-cyclic unit. We also revealed that the formation of Ti-O-Ti bond is essential for the stabilization of O2/nTi/Ag(100) systems. © 2009 The Surface Science Society of Japan.

      DOI: 10.1380/ejssnt.2009.7

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    • Valence and core-level photoelectron spectroscopy study of the electronic structure of Ni2P (0001) Peer-reviewed

      Kazuyuki Edamoto, Hiroyuki Inomata, Toru Shimada, Ken-Ichi Ozawa, Shigeki Otani

      e-Journal of Surface Science and Nanotechnology7   1 - 6   10 1 2009

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      The electronic structure of Ni2P(0001) has been investigated by photoelectron spectroscopy utilizing synchrotron radiation. In the valence band spectra, a Ni 3d-P 3p hybrid band (main band) and a satellite were observed at 0-4 eV and at 8 eV, respectively. The satellite showed a, resonant behavior around the Ni 3p threshold, and is associated with the photoemission leading to the two-hole bound final state. From the analysis of the anti-resonance dip of the main band intensity, the Ni 3d component was proved to be included in the whole binding energy region of the main band. In the P 2p core-level spectra, the surface-shifted 2p levels were resolved from the bulk 2p levels, while the surface-shifted peaks were not found in Ni 3p spectra. The binding energies of the surface-shifted P 2p levels were lower than those of the bulk components by ∼1 eV. The surface-shifted levels were attributed to the 2p levels of the surface P atoms which take on a six-fold coordination. © 2009 The Surface Science Society of Japan.

      DOI: 10.1380/ejssnt.2009.1

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    • Oxidation of Cu on ZnO(0001)-Zn: Angle-resolved photoelectron spectroscopy and loe-energy electron diffraction study Peer-reviewed

      「K. Ozawa」「Y, Oba」「K. Edamoto

      e-Journal of Surface Science and Nanotechnology6   226 - 232   13 11 2008

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    • Hybrid-DFT study for the initial oxidation steps on silicon cluster surface Peer-reviewed

      K. Imamura, K. Edamoto, H. Tokiwa

      Applied Surface Science254   7909 - 7912   10 2008

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    • Soft X-ray photoelectron spectroscopy study of Ni2P(0001) Peer-reviewed

      K. Edamoto, Y. Nakadai, H. Inomata, K. Ozawa, S. Otani

      SOLID STATE COMMUNICATIONS148 ( 3-4 ) 135 - 138   10 2008

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      The electronic structure of Ni2P(0001) has been investigated by photoemission spectroscopy (PES) utilizing synchrotron radiation. In the valence band spectra, a Ni 3d-P 3p hybrid band (main band) and a satellite were observed at 0-4 eV and at 8 eV, respectively. The satellite showed a resonant behavior around the Ni 3p threshold, and is associated with the photoemission process leading to the two-hole bound final state. The core-level PES study showed that the surface-shifted 2p levels were resolved from the bulk 2p levels, while the surface-shifted peaks were not found in Ni 3p spectra. The binding energies of the surface-shifted P 2p levels were lower than those of bulk components by similar to 1 eV. (C) 2008 Elsevier Ltd. All rights reserved.

      DOI: 10.1016/j.ssc.2008.07.037

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    • The electronic structure and reactivity of the oxygen-modified Mo2C(0001) surface Peer-reviewed

      K. Edamoto, Y. Nakadai, Y. Abe, K. Ozawa

      Applied Surface Science254   7622 - 7625   10 2008

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    • Angle-resolved photoemission spectroscopy study of metal/oxide interface - Valence band structure of Cu adsorbed polar ZnO surfaces Peer-reviewed

      K. Ozawa, Y. Oba, K. Edamoto, M. Sogo

      Journal of the Surface Science Society of Japan29 ( 7 ) 407 - 412   10 7 2008

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    • Electronic structure of the TiO thin film on Ag(100): Angle-resolved photoemission study Peer-reviewed

      H. Kaneko, M. Tanaka, K. Ozawa, K. Edamoto

      SURFACE SCIENCE602 ( 13 ) 2295 - 2299   7 2008

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      Angle-resolved photoemission spectroscopy (ARPES) has been used to study the electronic structure of the TiO film formed on a Ag(100) surface. The film was prepared by Ti deposition on Ag(100) at room temperature in an 02 atmosphere at 3.0 x 10(-9) Torr and subsequent annealing at 600 degrees C, and the film with the composition of TiO0.92 was obtained by this procedure. The conduction band and the valence band of the film are observed at 0-2 eV and 4-8 eV, respectively, and thus these bands are separated by a gap of about 2 eV. Resonant photoemission spectroscopy measurements show that the hv-dependence of the conduction band intensity shows a resonant behavior characteristic of the Ti 3d states. The two-dimensional electronic structure of the states in the conduction band along the ((Gamma X) over bar) direction of Ag(100) are measured with ARPES, and it was found that the states show dispersions consistent with the (1 x 1) periodicity. (C) 2008 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.susc.2008.05.007

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    • Angle-resolved and resonant photoemission study of the ZrO-like film on ZrC(100) Peer-reviewed

      K. Edamoto, T. Nagayama, K. Ozawa, S. Otani

      SURFACE SCIENCE601 ( 21 ) 5077 - 5082   11 2007

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      Angle-resolved photoemission spectroscopy (ARPES) and resonant photoemission spectroscopy (RPES) have been used to study the electronic structure of the ZrO-Iike film formed on a ZrC(100) surface. It is found that, in addition to the O 2p band observed at 6-8 eV, states exist at 0.15 and 0.75 eV around the (M) over bar point. ARPES measurements show that the states at 0.15 and 0.75 eV disperse towards the lower binding energy side and cross the Fermi level along the (M) over bar -> (Gamma) over bar direction. RPES measurements show that the former state shows a resonant behavior characteristic of the intra-atomic Zr 4d resonance, suggesting that the state includes substantial contribution of Zr 4d orbitals. On the other hand, the latter state shows a resonant behavior similar to that of the O 2p state in ZrO. The resonance is thought to be caused through the inter-atomic deexcitation mechanism involving the emissions of O 2p electrons, and thus the latter state is ascribed to that mostly composed of the O 2p component. (C) 2007 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.susc.2007.09.010

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    • Angle-resolved photoemission study of Cu on ZnO(10(1)over-bar0); room temperature deposition and annealing effect Peer-reviewed

      K. Ozawa, Y. Oba, K. Edamoto

      SURFACE SCIENCE601 ( 18 ) 4053 - 4057   9 2007

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      The valence electronic structures of the Cu-covered ZnO(1 0 1 0) surfaces have been studied by angle-resolved photoemission spectroscopy utilizing synchrotron radiation. The coverage dependent change in the Cu valence band indicates the cluster formation of Cu at room temperature. The Cu 3d state forms a band with an energy dispersion, and the coverage dependence of the Cu 3d band structure suggests that the electronic structure of the Cu cluster is initially two-dimensional and turns to be three-dimensional at high coverages. The annealing effect on the morphology and the electronic structure of the Cu clusters is also examined and discussed. (C) 2007 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.susc.2007.04.058

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    • Oxidation of copper clusters on ZnO(1010): Effect of temperature and preadsorbed water Peer-reviewed

      K. Ozawa, Y. Oba, K. Edamoto

      Surface Science601   3125 - 3132   5 2007

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    • Electronic structure of Cu on ZnO(10(1)over-bar-0): Angle-resolved photoemission spectroscopy study Peer-reviewed

      Kenichi Ozawa, Tomohiko Sato, Yukako Oba, Kazuyuki Edamoto

      JOURNAL OF PHYSICAL CHEMISTRY C111 ( 11 ) 4256 - 4263   3 2007

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      Angle-resolved photoemission measurements are carried out to investigate the valence electronic structure of Cu on ZnO(10 $$(1) over bar0). The coverage-dependent measurements of the Cu 3d and 4sp bands reveal that the growth of the Cu overlayer is characterized by a cluster formation. These Cu clusters are semiconductors with an energy gap around the Fermi level at the initial stages of adsorption, while the metallic nature is developed with increasing coverage. The Cu 3d state forms a band with a bulklike energy dispersion at high Cu coverages, whereas the two-dimensional (2D) band is formed in the low-coverage region, where the clusters are semiconducting in nature. From the dispersion relation of the 2D Cu 3d band, the arrangement of the Cu adatoms within the clusters is found to be strongly influenced by the surface structure of ZnO(10 $$(1) over bar0), i.e., the Cu adatoms are linearly arranged along the Zn-O dimer rows of the substrate surface.

      DOI: 10.1021/jp066296y

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    • Growth of ordered titanium oxide films on Ag(100) Peer-reviewed

      枝元 一之

      Solid State Commun.142   32 - 35   1 1 2007

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    • Oxygen adsorption on a Mo 2 C(0001) surface: angle-resolved photoemission study Surf. Sci. Peer-reviewed

      枝元 一之

      Surface Science601   201 - 208   1 2007

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    • Formation of oxide layer on HfC(100) surface studied by photoemission spectroscopy

      枝元 一之

      e-J. Surf. Sci. Nanotech.4   219 - 226   1 1 2006

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    • Growth mode and electronic structure of silver on ZnO(1010)

      枝元 一之

      Surf. Rev. Lett.13   227 - 233   1 1 2006

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    • Surface electronic structure of α-Mo 2 C(0001)

      枝元 一之

      Surf. Sci.600   448 - 452   1 1 2006

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    • Valence electronic structure of oxygen-modified α-Mo 2 C(0001)surface: angle-resolved photoemission study

      枝元 一之

      Surf. Rev. Lett.13   185 - 190   1 1 2006

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    • Alkali-metals on ZnO(1010) studied by low-energy electron diffraction and photoelectron spectroscopy

      枝元 一之

      e-J. Surf. Sci. Nanotech.3   299 - 310   1 1 2005

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    • Angle-resolved photoemission spectroscopy study of adsorption process and electronic structure of silver on ZnO(1010)

      枝元 一之

      J. Phys. Chem. B109   14619 - 14626   1 1 2005

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    • Angle-resolved photoemission study of the valence band structure of ZnO(1010)

      枝元 一之

      J. Phys: Condens. Matter17   1271 - 1278   1 1 2005

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    • Electronic structure of the Ti suboxide layer formed on a TiC(100) surface: Angle-resolved photoemission study

      枝元 一之

      Surf. Sci.584   237 - 244   1 1 2005

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    • Photoemission spectroscopy study of the oxidation of HfC(100)

      枝元 一之

      Appl. Surf. Sci.244   174 - 177   1 1 2005

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    • Chemical structure change in TOPO capped CdSe nanocrystals thin films by comparable ToF-SIMS and XPS study

      枝元 一之

      J.Surf.Anal.11   62 - 70   1 1 2004

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    • Electronic structure and reactivity of the TiO thin film formed on a TiC(100) surface

      枝元 一之

      Solid Films464.465   76 - 79   1 1 2004

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    • Electronic structure of Mo 2 C(0001) studied by resonant photoemission spectroscopy

      枝元 一之

      Solid State Commun.131   245 - 249   1 1 2004

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    • Oxidation process of Mo 2 C(0001) studied by photoelectron spectroscopy

      枝元 一之

      Appl.Surf.Sci.237   498 - 503   1 1 2004

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    • Photoelectron spectroscopy study of oxygen adsorption on Mo 2 C(0001)

      枝元 一之

      Surf.Sci.561   101 - 109   1 1 2004

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    • Room temperature adsorption of NH 3 on Zn-terminated ZnO(0001)

      枝元 一之

      Appl.Surf.Sci.237   352 - 357   1 1 2004

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    • Valance band structure of the ZnO(1010) surface studied by angle-resolved photoemission spectroscopy

      枝元 一之

      Appl.Surf.Sci.237   343 - 347   1 1 2004

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    • Interaction of oxygen with the polar HfC(111) surface: angle-resolved photoemission study

      e-J. Surf. Sci. Nanotsch.1   20-25   4 2003

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    • Photoelectron spectroscopy study of the oxidation of TiC(100)

      枝元 一之

      Jpn. J. Appl. Phys.42 ( 4A ) 1725-1731 - 1731   4 2003

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    • Photoelectron spectroscopy study of the oxidation of TiC(100)

      Jpn. J. Appl. Phys.42 ( 4A ) 1725-1731   4 2003

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    • Angle-resolved photoelectron spectroscopy study of the anion-derived dangling-bond band on ZnO(1010)

      枝元 一之

      Phys.Rev.B68 ( 125417 ) 1 - 6   1 1 2003

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    • Interaction of oxygen with the polar HfC(111) surface: angle-resolved photoemission study

      枝元 一之

      e-J.Surf.Sci.Nanotech.1   20 - 25   1 1 2003

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    • Photoelectron spectroscopy study of K adsortion on ZnO(1010)

      枝元 一之

      Surf.Sci.524   78 - 88   1 1 2003

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    • Photoelectron spectroscopy study of the K-covered ZnO(1010) surface: anneal-induced changes in the electronic structure and the chemical composition

      枝元 一之

      Surf. Sci.547   257 - 267   1 1 2003

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    • Adsorption state and molecular orientation of ammonia on ZnO(1010) studied by photoelectron spectroscopy and near-edge X-ray absorption fine structure spectroscopy

      J. Phys. Chem. B106   9380-9386   4 2002

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    • Coadsorption of oxygen and cesium on ZrC(111)

      Surf. Sci.511   421-434   4 2002

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    • Interaction of water and methanol with oxygen-modified ZrC(100)

      Surf. Sci.518   225-233   4 2002

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    • Photoelectron spectroscopy study of ammonia adsorption on ZnO(1010)

      Surf. Rev. Lett.9   717-722   4 2002

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    • Surface electronic structure of HfC(111)

      Surf. Sci.498   343-349   4 2002

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    • TMC(100) surface relaxation studied with low-energy-electron-diffraction intensity analysis

      Surf. Sci.517   59-64   4 2002

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    • Adsorption state and molecular orientation of ammonia on ZnO(1010) studied by photoelectron spectroscopy and near-edge X-ray absorption fine structure spectroscopy

      枝元 一之

      J.Phys.Chem.B106   9380 - 9386   1 1 2002

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    • Coadsorption of oxygen and cesium on ZrC(111)

      枝元 一之

      Surf.Sci.511   421 - 434   1 1 2002

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    • Electronic structure of the Zr suboxide layer formed on a ZrC(100) surface

      枝元 一之

      Surf.Sci.511   359 - 365   1 1 2002

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    • Interaction of water and methanol with oxygen-modefied ZrC(100) surface

      枝元 一之

      Surf.Sci.518   225 - 233   1 1 2002

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    • Photoelectron spectroscopy study of ammonia adsorption on ZnO(1010)

      枝元 一之

      Surf.Rev.Lett.9   717 - 722   1 1 2002

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    • Surface electronic structure of HfC(111)

      枝元 一之

      Surf.Sci.498   343 - 349   1 1 2002

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    • TMC(100) surface relaxation studied with low-energy-electron-diffraction intensity analysis

      枝元 一之

      Surf.Sci.518   59 - 64   1 1 2002

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    • Photoelectron spectroscopy study of Mo2C(0001)

      A Sugihara, K Ozawa, K Edamoto, S Otani

      SOLID STATE COMMUNICATIONS121 ( 1 ) 1 - 5   2002

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:PERGAMON-ELSEVIER SCIENCE LTD  

      The (0001) surface of alpha-Mo2C has been studied using low-energy electron diffraction (LEED), X-ray photoelectron spectroscopy and angle-resolved photoelectron spectroscopy. When the ion-bombarded (1 keV of Ar+) surface is annealed at 1600 K, a C-rich MOC-like surface is formed. The surface gives a complex LEED pattern composed of (1 x 1) orthorhombic spots, (2 x 2)R15degrees spots, and (4/3 x 4/3)R5degrees spots. Photon energy dependence of the normal-emission spectra is measured and it is found that the spectrum in the valence band region consists of Mo 4d band, Mo 4d-C 2p hybrid band, and C 2s band. Any peaks associated with surface states arc not found. (C) 2001 Elsevier Science Ltd. All rights reserved.

      DOI: 10.1016/S0038-1098(01)00446-X

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    • HfC(111)清浄表面および水素吸着面の電子状態

      表面科学22 ( 7 ) 449-454   4 2001

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    • 亜酸化膜形成によるZrC(100)面の活性化

      表面科学22 ( 8 ) 537-539   4 2001

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    • Activation of ZrC(100) surface by suboxide-layer formation

      J. Surf. Sci. Soc. Jpn.22 ( 8 ) 537-539   4 2001

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    • Electronic structure of clean and H-adsorbed HfC(111) surface

      J. Surf. Sci. Soc. Jpn.22 ( 7 ) 449-454   4 2001

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    • Hydrogen adsorption on a HfC(111) surface: angle-resolved photoemission study

      J. Electron Spectrosc. Related Phenom.114-116   459-499   4 2001

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    • The interaction of water with oxygen-modified ZrC(100) surfaces

      Solid State Commun.118 ( 1 ) 23-26   4 2001

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    • Adsorption of methanol on oxygen-modified ZrC(100) and (111) surfaces

      Jpn. J. Appl. Phys.39 ( 7B ) 4331-4334   4 2000

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    • Cs adsorption on ZrC(111): photoemission spectroscopy study

      Jpn. J. Appl. Phys.39 ( 7B ) 4325-4330   4 2000

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    • Oxygen adsorption on a ZrC(111) surface: angle-resolved photoemission study

      Surf. Sci.450   27-33   4 2000

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    • Photoelectron spectroscopy study of the oxidation of ZrC(100)

      Jpn. J. Appl. Phys.39 ( 9A ) 5217-5222   4 2000

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    • Potassium adsorption on the polar ZrC(111) surface: photoemission spectroscopy study

      Surf. Sci.446   229-240   4 2000

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    • Adsorption of methanol on ZrC(100) and (111) surfaces

      Surf. Sci.433-435   180-183   4 1999

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    • Angle-resolved photoemission study of the clean and oxygen covered ZrC(111) surface

      Jpn. J. Appl. Phys.38   257-260   4 1999

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    • Angle-resolved photoemission study of the surface electronic structure of HfC(111)

      Solid State Commun.110 ( 1 ) 35-38   4 1999

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    • Interaction of oxygen with potassium-covered ZrC(111) surface: photoemission spectroscopy study

      Surf. Sci.438   223-230   4 1999

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    • Na adsorption on the polar NbC(111) surface

      Surf. Sci.419   226-235   4 1999

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    • Photoemission study of K adsorption on ZrC(111)

      Surf. Sci.433-435   700-704   4 1999

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    • Adsorption of methanol on TiC(100) and (111) surfaces

      Journal of Electron Spectroscopy and Related Phenomena88-91   805   4 1998

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    • O<SUB>2</SUB> adsorption on clean and K-modified ZrC(111)surfaces

      Journal of Electron Spectroscopy and Related Phenomena88-91   801   4 1998

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    • Photoemission study of the oxidation of ZrC(1 1 1)

      T Noda, T Nakane, K Ozawa, K Edamoto, S Tanaka, S Otani

      SOLID STATE COMMUNICATIONS107 ( 4 ) 145 - 148   1998

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:PERGAMON-ELSEVIER SCIENCE LTD  

      Photoemission spectroscopy (PES) has been used to study oxygen adsorption on the ZrC(111)surface between room temperature (RT) and 1000 degrees C. At RT oxygen is adsorbed dissociatively forming a (1x1)overlayer, which is accompanied by a monotonic increase in the work function (Delta phi = 1.0 eV at saturation). On the other hand, the work function decreases when the surface is reacted with oxygen at 1000 degrees C (Delta phi = -0.55 eV). PES studies were made on the adsorbed state of oxygen and it is proposed that the adsorbed oxygen atoms penetrate the surface and settle at a subsurface site at 1000 degrees C. (C) 1998 Elsevier Science Ltd. All rights reserved.

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    • Na adsorption on a ZrC(100)surface

      Applied Surface Science121 ( 122 ) 142   4 1997

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    • Potassium adsorption on the polar Nbc(111) surface : angle-resolved photoemission study

      Surface Science375   250   4 1997

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    • Cs adsorption on a polar Nbc(111) surface : photoemission and Auger electron Spectroscopy studies

      Surface Science364   L612   4 1996

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    • Interaction of Hydrogen with Zrc(111) Surface:Angle-resolved Photoemission Study

      Surface Scienc351   165   4 1996

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    • Potassium adsorption on the polar Nbc(111) surface : core-level photoemission study

      Surface Science357-358   350   4 1996

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    • Surface Induced State on Zrc(111):Angle-resolved Photoemission Study

      Solid State Communications97 ( 5 ) 435   4 1996

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    • Angle-resolved Photoemission Study of the Surface Electronic Structure of Tac(111)

      Surface Scienc328 ( 3 ) 263   4 1995

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    • Interact ion of hydrogen with Tac (111) and NbC (111) surfaces : Angle-resolved photoemission study

      Physical Review B51 ( 7 ) 4516   4 1995

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    • Electronic structure of the nitride layers formed on a Si (111) Surface : Angle-resolved photoemission study

      Surface Science317 ( 1-2 ) 143   4 1994

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    • Chemisorption state of atomic oxygen on Tic (100) : Angle-resolved photoemission study

      Surface Science287-288 ( 1-3 ) 667   4 1993

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    • Angle-resolved phtoemission study of the surface state on TiC(111)

      Physical Review B46   7   4 1992

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    • Chemisorption of CO on a NbC(111)surface at 80 K : Angle-resolved photoemission study

      Journal of Chemical Physics96   1   4 1992

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    • Electronic structure of the(1x1)oxygen overlayers on TiC(111) : Angle-resolved photoemission study

      Physical Review B46   10   4 1992

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    • Hydrogen adsorption on a Tic (111) surface : Angle-resolved photoemission study

      Surface Science269-270 ( [1-3] ) 389   4 1992

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    • Oxygen adsorption on a NbC(111)surface : Angle-resolved photoemission study

      Physical Review B43   5   4 1991

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    • 逆光電子分光法(IPES)によるNbC(100),TiC(100)の電子状態

      表面科学11   8   4 1990

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    • Angle-resolved photoemission study of Ag(111)

      Physica Scripta   41   4 1990

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    • Angle-resolved photoemission study of the surface state on NbC(111)

      Surface Science   237   4 1990

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    • Inverse photoemission spectroscopy study of the electronic structure of NbC(100)and TiC(100)surfaces

        11   8   4 1990

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    • Electronic structure of a NbC(100)surface : Angle-resolved phtoemission study

      Physical Reveiw B39   11   4 1989

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    • Angle-resolved photoemission study of NO chemisorption on Ag(111)surface

      Surface Science   204   4 1988

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    • Vibrational electron energy loss spectroscopy of the Si(111)(7x7)-H<SUB>2</SUB>O(D<SUB>2</SUB>O)system

      Journal of Chemical Physics84   1   4 1986

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    Books and Other Publications

    • 表面・界面工学大系

      枝元 一之( Role: Joint author)

      フジ・テクノシステム  1 1 2005 

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      Language:Japanese Book type:Other

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    • 表面化学の基礎と応用

      枝元 一之( Role: Joint author)

      NTS  1 1 2004 

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      Language:Japanese Book type:Other

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    • Electric Refractory Materials

      枝元 一之, Y, Kumashiro編( Role: Joint author)

      Marcel Dekker Inc.  1 1 2000  ( ISBN:082470049X

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      Language:English Book type:Scholarly book

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    Research Projects

    • The electronic structure and reactivity of transition metal phosphide

      Basic Science Research Program 

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      4 2006 - Present

      Grant type:Competitive

      The electronic structures of the transition metal phosphide surfaces are investigated by photoelectron spectroscopy, in order to elucidate the origin of their high catalitic performance for hydrodesulfurization reaction.

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    • Growth of thin films on metal surfaces

      Basic Science Research Program 

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      4 2005 - Present

      Grant type:Competitive

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    • The electronic structure and reactivity of transition metal carbides

      Basic Science Research Program 

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      4 1989 - Present

      Grant type:Competitive

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    • 高融点立方晶基板を用いた亜酸化物単結晶薄膜の合成

      日本学術振興会  科学研究費助成事業 

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      4 2010 - 3 2013

      Grant type:Competitive

      Grant amount:\2220000 ( Direct Cost: \1560000 、 Indirect Cost:\660000 )

      TiO、NbO等の4族、5族遷移金属亜酸化物は、高融点、高硬度でかつ金属的伝導性を有することが予想され、物性的に極めて興味深い。しかし、これらは大気圧下では合成困難で、特に単結晶はこれまで得られていないため、物性の詳細は不明である。本研究の目的は、これら亜酸化物と結晶性のよく適合するMo表面を基板とすることにより、これらの単結晶薄膜をエピタキシャル的に作成することにある。Moは融点が高いため、高温処理によるこれら高融点物質の結晶化が容易であると予想される。

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    • 伝導性亜酸化物薄膜の合成とその機能性の研究

      日本学術振興会  科学研究費助成事業 

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      4 2005 - 3 2008

      Grant type:Competitive

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    • 伝導性亜酸化物薄膜の物性と反応性

      日本板硝子材料工学助成会  日本板硝子材料工学助成会 

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      4 2005 - 3 2007

      Grant type:Competitive

      Grant amount:\2820000 ( Direct Cost: \2820000 )

      TiO等の遷移金属亜酸化物は、高融点・高硬度でかつ金属的伝導性を有する物性的に興味深い物質であるが、それらの物性を担う電子状態については、これまでほとんど実験的研究は行われていない。これは、これらは大気圧下では合成が難しく、特に単結晶はこれまでほとんど得られていないことによる。本研究では、Ag(100)基板上に酸素雰囲気下でTiを蒸着することにより、TiO単結晶薄膜をエピタキシャル的に合成することに成功した。また、得られた薄膜に角度分解光電子分光測定を行うことにより、そのバンド構造の測定に初めて成功した。

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    • 超高真空極低温電磁場光電子走査型トンネル顕微鏡の製作

      日本学術振興会  科学研究費助成事業 

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      4 1998 - 3 2001

      Grant type:Competitive

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    • 内殻脱励起分光による表面吸着機構の解明

      日本学術振興会  科学研究費助成事業 

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      4 1995 - 3 1997

      Grant type:Competitive

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    • 金属酸化物表面における吸着メカニズム-光電子・サテライト分光による研究

      科学研究費助成事業 

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      4 1993 - 3 1994

      Grant type:Competitive

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    • 表面化学

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      Grant type:Competitive

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    • Surface Chemistry

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      Grant type:Competitive

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    Social Contribution

    • 日本表面科学学会[1991.6~2000.5 会誌編集委員][1997.6~2001.5 理事]、[2000年度 講演大会委員長]、[2001.6~評議員]

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