宮本 幸治KOUJI MIYAMOTO

Last Updated :2018/09/03

所属・職名
放射光科学研究センター 放射光科学研究センター 助教
メールアドレス
kmiyamotohiroshima-u.ac.jp

基本情報

主な職歴

  • 2008年04月01日, 2010年03月31日, 広島大学, 放射光科学研究センター , 研究員
  • 2010年04月01日, 2014年06月01日, 広島大学, 放射光科学研究センター , 助教
  • 2014年07月01日, 2015年05月31日, ミュンスター大学, 物理学研究所, 研究員
  • 2015年06月01日, 広島大学, 放射光科学研究センター , 助教

学歴

  • 広島大学, 大学院理学研究科, 博士課程後期物理科学専攻, 日本, 2005年04月, 2008年03月

学位

  • 博士(理学) (広島大学)
  • 修士(理学) (広島大学)

研究キーワード

  • スピン、電子構造、スピン軌道相互作用、磁性

所属学会

教育活動

授業担当

  1. 2018年, 修士課程・博士課程前期, セメスター(前期), 放射光物性セミナー
  2. 2018年, 修士課程・博士課程前期, セメスター(後期), 放射光物性セミナー

研究活動

学術論文(★は代表的な論文)

  1. Tunable spin current due to bulk insulating property in the topological insulator Tl1-xBi1+xSe2-delta, PHYSICAL REVIEW B, 91巻, 20号, 2015
  2. Valley spin polarization by using the extraordinary Rashba effect on silicon, NATURE COMMUNICATIONS, 4巻, 2013
  3. ★, Topological Surface States with Persistent High Spin Polarization across the Dirac Point in Bi2Te2Se and Bi2Se2Te, PHYSICAL REVIEW LETTERS, 109巻, 16号, 2012
  4. Massless or heavy due to two-fold symmetry: Surface-state electrons at W(110), PHYSICAL REVIEW B, 86巻, 16号, 2012
  5. Negative spin polarization at the Fermi level in Fe4N epitaxial films by spin-resolved photoelectron spectroscopy, JOURNAL OF APPLIED PHYSICS, 112巻, 1号, 2012
  6. Observation of a highly spin-polarized topological surface state in GeBi2Te4, PHYSICAL REVIEW B, 86巻, 19号, 2012
  7. ★, Spin-Polarized Dirac-Cone-Like Surface State with d Character at W(110), PHYSICAL REVIEW LETTERS, 108巻, 6号, 2012
  8. Experimental Verification of PbBi2Te4 as a 3D Topological Insulator, PHYSICAL REVIEW LETTERS, 108巻, 20号, 2012
  9. Giant Rashba-type spin splitting in bulk BiTeI, NATURE MATERIALS, 10巻, 7号, pp.521-pp.526, 2011
  10. In-gap electronic states responsible for the excellent thermoelectric properties of Ni-based half-Heusler alloys, APPLIED PHYSICS EXPRESS, 1巻, 8号, 2008
  11. Direct evidence of ferromagnetism without net magnetization observed by x-ray magnetic circular dichroism, PHYSICAL REVIEW B, 70巻, 13号, 2004
  12. Orbital magnetic moment of "half-metallic" CO2MnGe, PHYSICA B-CONDENSED MATTER, 351巻, 3-4号, pp.347-pp.350, 2004
  13. Soft X-ray spectroscopy study of Mn nanoclusters on Si(111)-7x7 surface, PHYSICA B-CONDENSED MATTER, 351巻, 3-4号, pp.351-pp.354, 2004
  14. Element-resolved magnetic moments of Heusler-type ferromagnetic ternary alloy Co2MnGe, JOURNAL OF PHYSICS-CONDENSED MATTER, 16巻, 48号, pp.S5797-pp.S5800, 2004
  15. Temperature dependence of spin and orbital magnetic moments of Sm 4f electrons in (Sm, Gd)Al-2, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 144巻, pp.749-pp.752, 2005
  16. The performance test of spin-resolved photoelectron spectrometer at HSRC, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 144巻, pp.997-pp.999, 2005
  17. The self-calibration of a retarding-type Mott spin polarimeter with a large collection angle, REVIEW OF SCIENTIFIC INSTRUMENTS, 77巻, 1号, 2006
  18. Electronic structures of Fe3-xVxSi probed by photoemission spectroscopy, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 203巻, 11号, pp.2765-pp.2768, 2006
  19. Direct observation of spin splitting in bismuth surface states, PHYSICAL REVIEW B, 76巻, 15号, 2007
  20. Spin-dependent electronic band structure of Co/Cu(001) with different film thicknesses, JOURNAL OF PHYSICS-CONDENSED MATTER, 20巻, 22号, 2008
  21. Origin of the surface-state band-splitting in ultrathin Bi films: from a Rashba effect to a parity effect, NEW JOURNAL OF PHYSICS, 10巻, 2008
  22. Direct evidence of spin-polarized band structure of Sb(111) surface, APPLIED PHYSICS LETTERS, 93巻, 25号, 2008
  23. Absence of temperature dependence of the valence-band spectrum of Co2MnSi, PHYSICAL REVIEW B, 79巻, 10号, 2009
  24. Abrupt Rotation of the Rashba Spin to the Direction Perpendicular to the Surface, PHYSICAL REVIEW LETTERS, 102巻, 9号, 2009
  25. Hexagonally Deformed Fermi Surface of the 3D Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 105巻, 7号, 2010
  26. Peculiar Rashba Splitting Originating from the Two-Dimensional Symmetry of the Surface, PHYSICAL REVIEW LETTERS, 103巻, 15号, 2009
  27. Strong Rashba-Type Spin Polarization of the Photocurrent from Bulk Continuum States: Experiment and Theory for Bi(111), PHYSICAL REVIEW LETTERS, 105巻, 7号, 2010
  28. Chemical potential shift of Fe3-xVxSi studied by hard x-ray photoemission, PHYSICAL REVIEW B, 78巻, 20号, 2008
  29. Spin polarized d surface resonance state of fcc Co/Cu(001), NEW JOURNAL OF PHYSICS, 10巻, 2008
  30. Large Rashba spin splitting of a metallic surface-state band on a semiconductor surface, NATURE COMMUNICATIONS, 1巻, 2010
  31. Experimental Realization of a Three-Dimensional Topological Insulator Phase in Ternary Chalcogenide TlBiSe2, PHYSICAL REVIEW LETTERS, 105巻, 14号, 2010
  32. Surface Scattering via Bulk Continuum States in the 3D Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 107巻, 5号, 2011
  33. Spin-polarized semiconductor surface states localized in subsurface layers, PHYSICAL REVIEW B, 82巻, 20号, 2010
  34. Soft X-ray magnetic circular dichroism of Heusler-type alloy Co2MnGe, SOLID STATE COMMUNICATIONS, 128巻, 5号, pp.163-pp.166, 2003
  35. Unoccupied topological surface state in Bi2Te2Se, PHYSICAL REVIEW B, 88巻, 8号, 2013
  36. Quasiparticle interference on the surface of Bi2Se3 induced by cobalt adatom in the absence of ferromagnetic ordering, PHYSICAL REVIEW B, 85巻, 20号, 2012
  37. Tuning of magnetic and transport properties in Bi2Te3 by divalent Fe doping, PHYSICAL REVIEW B, 87巻, 20号, 2013
  38. Perpendicular magnetic anisotropy with enhanced orbital moments of Fe adatoms on a topological surface of Bi2Se3, JOURNAL OF PHYSICS-CONDENSED MATTER, 25巻, 23号, 2013
  39. Electronic and spin structures of solids investigated by means of synchrotron radiation photoemission, RADIATION PHYSICS AND CHEMISTRY, 93巻, pp.14-pp.20, 2013
  40. Experimental Evidence of Hidden Topological Surface States in PbBi4Te7, PHYSICAL REVIEW LETTERS, 111巻, 20号, 2013
  41. Experimental verification of the surface termination in the topological insulator TlBiSe2 using core-level photoelectron spectroscopy and scanning tunneling microscopy, PHYSICAL REVIEW B, 88巻, 24号, 2013
  42. Spin-Polarized Angle-Resolved Photoelectron Spectroscopy of the So-Predicted Kondo Topological Insulator SmB6, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 1号, 2014
  43. Exceptional behavior of d-like surface resonances on W(110): the one-step model in its density matrix formulation, NEW JOURNAL OF PHYSICS, 16巻, 2014
  44. Spin-Polarized Angle-Resolved Photoelectron Spectroscopy of the So-Predicted Kondo Topological Insulator SmB6 (vol 83, 014705, 2014), JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 3号, 2014
  45. Photoelectron Spin-Polarization Control in the Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 112巻, 7号, 2014
  46. The gigantic Rashba effect of surface states energetically buried in the topological insulator Bi2Te2Se, NEW JOURNAL OF PHYSICS, 16巻, 2014
  47. Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry, NATURE NANOTECHNOLOGY, 9巻, 8号, pp.611-pp.617, 2014
  48. Direct observation of the spin polarization in Au atomic wires on Si(553), NEW JOURNAL OF PHYSICS, 16巻, 2014
  49. A double VLEED spin detector for high-resolution three dimensional spin vectorial analysis of anisotropic Rashba spin splitting, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 201巻, pp.23-pp.29, 2015
  50. Spin polarization of surface states on W(110): Combined influence of spin-orbit interaction and hybridization, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 201巻, pp.53-pp.59, 2015

受賞

  1. 2014年, 日本物理学会若手奨励賞, 日本物理学会
  2. 2014年, 日本放射光学会奨励賞, 日本放射光学会, スピン分解光電子分光を用いたディラック電子系の先駆的研究
  3. 2013年, 日本表面科学会講演奨励賞, 日本表面科学会, W(110)の異方的ディラックコーン型スピン偏極表面電子構造