TAICHIOKUDA

Last Updated :2019/10/01

Affiliations, Positions
Hiroshima Synchrotron Radiation Center, ., Professor
E-mail
okudathiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Ph.D. (Science), Osaka University
  • Master of Engineering, Osaka University

Research Fields

  • Mathematical and physical sciences;Physics;Condensed matter physics I

Educational Activity

Course in Charge

  1. 2019, Undergraduate Education, Second Semester, Exercises in Mechanics
  2. 2019, Undergraduate Education, First Semester, Special Study for Graduation A
  3. 2019, Undergraduate Education, Second Semester, Special Study for Graduation B
  4. 2019, Graduate Education (Master's Program) , First Semester, Seminar in Physical Science
  5. 2019, Graduate Education (Master's Program) , Second Semester, Seminar in Physical Science
  6. 2019, Graduate Education (Master's Program) , First Semester, Special Topics in Synchrotron Radiation Science I
  7. 2019, Graduate Education (Master's Program) , First Semester, Synchrotron Radiation Materials Science Seminar
  8. 2019, Graduate Education (Master's Program) , Second Semester, Synchrotron Radiation Materials Science Seminar
  9. 2019, Graduate Education (Doctoral Program) , First Semester, Special Research for Physical Science
  10. 2019, Graduate Education (Doctoral Program) , Second Semester, Special Research for Physical Science
  11. 2019, Graduate Education (Doctoral Program) , First Semester, Exercises on Advanced Research Presentation

Research Activities

Academic Papers

  1. Layer-dependent quantum cooperation of electron and hole states in the anomalous semimetal WTe2, NATURE COMMUNICATIONS, 7, 201602
  2. Tunable spin current due to bulk insulating property in the topological insulator Tl1-xBi1+xSe2-delta, PHYSICAL REVIEW B, 91(20), 20150518
  3. 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, 23-29, 201505
  4. Spin polarization of surface states on W(110): Combined influence of spin-orbit interaction and hybridization, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 201, 53-59, 201505
  5. Lifshitz transition and Van Hove singularity in a three-dimensional topological Dirac semimetal, PHYSICAL REVIEW B, 92(7), 20150810
  6. Tunable spin helical Dirac quasiparticles on the surface of three-dimensional HgTe, PHYSICAL REVIEW B, 92(11), 20150922
  7. Spin-orbit influence on dz2-type surface state at Ta(110), PHYSICAL REVIEW B, 92(16), 20151019
  8. Topologically protected surface states in a centrosymmetric superconductor beta-PdBi2, NATURE COMMUNICATIONS, 6, 201510
  9. Photoelectron Spin-Polarization Control in the Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 112(7), 20140220
  10. Exceptional behavior of d-like surface resonances on W(110): the one-step model in its density matrix formulation, NEW JOURNAL OF PHYSICS, 16, 20140102
  11. The gigantic Rashba effect of surface states energetically buried in the topological insulator Bi2Te2Se, NEW JOURNAL OF PHYSICS, 16, 20140624
  12. Valley-dependent spin polarization in bulk MoS2 with broken inversion symmetry, NATURE NANOTECHNOLOGY, 9(8), 611-617, 201408
  13. Direct observation of the spin polarization in Au atomic wires on Si(553), NEW JOURNAL OF PHYSICS, 16, 20140923
  14. Reflectivity and Sherman Maps of Passivated Fe(001): Working Points for a Display-Type Spin-Polarization Analyzer, PHYSICAL REVIEW APPLIED, 1(5), 20140611
  15. Spin-Polarized Angle-Resolved Photoelectron Spectroscopy of the So-Predicted Kondo Topological Insulator SmB6, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 201401
  16. Perpendicular magnetic anisotropy with enhanced orbital moments of Fe adatoms on a topological surface of Bi2Se3, JOURNAL OF PHYSICS-CONDENSED MATTER, 25(23), 20130612
  17. Spin- and Angle-Resolved Photoemission of Strongly Spin-Orbit Coupled Systems, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(2), 201302
  18. Tuning of magnetic and transport properties in Bi2Te3 by divalent Fe doping, PHYSICAL REVIEW B, 87(20), 20130515
  19. Unoccupied topological surface state in Bi2Te2Se, PHYSICAL REVIEW B, 88(8), 20130805
  20. Electronic and spin structures of solids investigated by means of synchrotron radiation photoemission, RADIATION PHYSICS AND CHEMISTRY, 93, 14-20, 201312
  21. Experimental verification of the surface termination in the topological insulator TlBiSe2 using core-level photoelectron spectroscopy and scanning tunneling microscopy, PHYSICAL REVIEW B, 88(24), 20131223
  22. Spin-Polarized Dirac-Cone-Like Surface State with d Character at W(110), PHYSICAL REVIEW LETTERS, 108(6), 20120210
  23. Experimental Verification of PbBi2Te4 as a 3D Topological Insulator, PHYSICAL REVIEW LETTERS, 108(20), 20120515
  24. Quasiparticle interference on the surface of Bi2Se3 induced by cobalt adatom in the absence of ferromagnetic ordering, PHYSICAL REVIEW B, 85(20), 20120529
  25. Topological Surface States with Persistent High Spin Polarization across the Dirac Point in Bi2Te2Se and Bi2Se2Te, PHYSICAL REVIEW LETTERS, 109(16), 20121017
  26. Massless or heavy due to two-fold symmetry: Surface-state electrons at W(110), PHYSICAL REVIEW B, 86(16), 20121018
  27. Observation of a highly spin-polarized topological surface state in GeBi2Te4, PHYSICAL REVIEW B, 86(19), 20121106
  28. Development and Application of Multiple-Probe Scanning Probe Microscopes, ADVANCED MATERIALS, 24(13), 1675-1692, 20120403
  29. Three-dimensional spin orientation in antiferromagnetic domain walls of NiO studied by x-ray magnetic linear dichroism photoemission electron microscopy, PHYSICAL REVIEW B, 85(10), 20120329
  30. Direct observation of twin domains of NiO(100) by x-ray linear dichroism at the O K edge using photoemission electron microscopy, PHYSICAL REVIEW B, 85(17), 20120501
  31. Negative spin polarization at the Fermi level in Fe4N epitaxial films by spin-resolved photoelectron spectroscopy, JOURNAL OF APPLIED PHYSICS, 112(1), 20120701
  32. Status of pump-probe time-resolved photoemission electron microscopy at SPring-8, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 185(10), 389-394, 201210
  33. Surface Scattering via Bulk Continuum States in the 3D Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 107(5), 20110727
  34. Dynamics of Magnetostatically Coupled Vortices Observed by Time-Resolved Photoemission Electron Microscopy, JAPANESE JOURNAL OF APPLIED PHYSICS, 50(5), 201105
  35. Efficient spin resolved spectroscopy observation machine at Hiroshima Synchrotron Radiation Center, REVIEW OF SCIENTIFIC INSTRUMENTS, 82(10), 201110
  36. Giant Rashba-type spin splitting in bulk BiTeI, NATURE MATERIALS, 10(7), 521-526, 201107
  37. Direct observation of spin configuration in an exchange coupled Fe/NiO(100) system by x-ray magnetic circular- and linear- dichroism photoemission electron microscope, JOURNAL OF APPLIED PHYSICS, 110(8), 20111015
  38. Hexagonally Deformed Fermi Surface of the 3D Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 105(7), 20100810
  39. Experimental Realization of a Three-Dimensional Topological Insulator Phase in Ternary Chalcogenide TlBiSe2, PHYSICAL REVIEW LETTERS, 105(14), 20100928
  40. Complete Assignment of Spin Domains in Antiferromagnetic NiO(100) by Photoemission Electron Microscopy and Cluster Model Calculation, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(1), 201001
  41. Spin-polarized surface bands of a three-dimensional topological insulator studied by high-resolution spin- and angle-resolved photoemission spectroscopy, NEW JOURNAL OF PHYSICS, 12, 20100617
  42. Large Rashba spin splitting of a metallic surface-state band on a semiconductor surface, NATURE COMMUNICATIONS, 1, 201005
  43. Large out-of-plane spin polarization in a spin-splitting one-dimensional metallic surface state on Si(557)-Au, PHYSICAL REVIEW B, 82(16), 20101015
  44. Spin-polarized semiconductor surface states localized in subsurface layers, PHYSICAL REVIEW B, 82(20), 20101111
  45. Exchange splitting of the three surface states on Ni(111), 20090701
  46. Nanoscale chemical imaging by scanning tunneling microscopy assisted by synchrotron radiation, Phys. Rev. Lett., 102, 105503, 20090301
  47. High-efficiency and high energy-resolution spin-polarized photoemission spectrometer, Eur. Phys. J. Special Topics, 169, 181, 20090501
  48. Substrate dependence of anisotropic electronic structure in Ag(111) quantum film studied by angle-resolved photoelectron spectroscopy, PHYSICAL REVIEW B, 80(11), 200909
  49. Exchange splitting of the three Gamma surface states of Ni(111) from three-dimensional spin- and angle-resolved photoemission spectroscopy, PHYSICAL REVIEW B, 80(18), 200911
  50. Substrate dependence of anisotropic electronic structure in Ag(111) quantum film studied by angle-resolved photoelectron spectroscopy, Phys. Rev. B, 20080901
  51. A new spin-polarized photoemission spectrometer with very high efficiency and energy resolution, Rev. Sci. Instrum., 79, 123117, 20081231
  52. Spin polarization of quantum well states in Ag films induced by the Rashba effect at the surface, Phys. Rev. Lett., 101, 107604, 20080601
  53. Hidden surface states on pristine and H-passivated Ni(111): Angle-resolved photoemission and density-functional calculations, Phys. Rev. B, 77, 075415, 20080301
  54. Elementally specific imaging by scanning tunneling microscopy combined with synchrotron radiation light source, Appl. Phys. Lett., 89, 23119, 20070701
  55. Scanning tunneling microscope combined with synchrotron-radiation for element specific analysis, J. Electron Spectrosc. Relat. Phenom., 144-147, 1157, 20050901
  56. Structural Analysis of Ba-induced reconstructions of Si(111) surfaces by Core-level spectroscopy, Phys. Rev. B, 71, 085317, 20050606
  57. Surface states band structure of Gd-induced one-dimensional chain structure on Si(111) surface measured by angle-resolved photoelectron spectroscopy, J. Electron Spectrosc. Relat. Phenom., 137-140, 125, 20040606
  58. Magnetic domain imaging of Ni micro-rings and micro-dots array by photoelectron emission microscope, Jpn. J. Appl. Phys., 43, 4179, 20040101
  59. Spin arrangement of the Mn/Fe(001) system investigated by spin polarized photoelectron diffraction, Surf. Rev. Lett., 9, 902, 20020101
  60. Experimental surface-state band structure of the Ba-induced Si(111) 3x1 surface, Phys. Rev. B, 64, 165312, 20010101
  61. Symmetry Analysis of the Fermi Surface States of Sr2RuO4 by Display Type Photoelectron Spectroscopy, J. Phys. Soc. Jpn., 68, 1398, 19990101
  62. Two-dimensional band mapping of 2H-TaSe2 using a display type photoelectron spectrometer, J. Electron Spectrosc. Relat. Phenom., 103, 355, 19990101
  63. Two-dimensional angle resolved resonance photoelectron spectroscopy of 1T-TaS2, J. Electron Spectrosc. Relat. Phenom., 88-91, 287, 19980101
  64. Fermi surface of Sr2RuO4 studied by two-dimensional angle resolved photoelectron spectroscopy, J. Electron Spectrosc. Relat. Phenom., 88-91, 473, 19980101
  65. Surface electronic structure of ordered alkali- and noble metal-overlayers on Si(111), Appl. Surf. Sci., 121-122, 89, 19970101
  66. Angle resolved photoelectron spectroscopy of the Si(111)3x1-Na surface, Phys. Rev. B, 55, 6752, 19970606
  67. Surface core level shifts of the Au adsorbed Si(111) reconstructed surfaces, J. Electron Spectrosc. Relat. Phenom., 80, 229, 19960101
  68. Report on PacSurf 2014, Shinku, 58(5), 185-186, 2015
  69. Experimental surface-state band structure of the Ba-induced Si(111) 3 × 1 surface, Physical Review B - Condensed Matter and Materials Physics, 64(16), 1653121-1653127, 20011015
  70. Linear and circular dichroism in photoemission angular distribution from the valence band of 1T-TaS2, Physical Review B - Condensed Matter and Materials Physics, 56(12), 7687-7693, 19970915
  71. Exceptional behavior of d-like surface resonances on W(110): the one-step model in its density matrix formulation, NEW JOURNAL OF PHYSICS, 16, 2014
  72. Photoelectron Spin-Polarization Control in the Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 112(7), 2014
  73. Anisotropic electronic conduction in metal nanofilms grown on a one-dimensional surface superstructure, PHYSICAL REVIEW B, 89(12), 2014
  74. Reflectivity and Sherman Maps of Passivated Fe(001): Working Points for a Display-Type Spin-Polarization Analyzer, PHYSICAL REVIEW APPLIED, 1(5), 2014
  75. Spin- and Angle-Resolved Photoemission of Strongly Spin-Orbit Coupled Systems, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(2), 2013
  76. Observation of Micro-Magnetic Structures by Synchrotron Radiation Photoelectron Emission Microscopy, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82(2), 2013
  77. Tuning of magnetic and transport properties in Bi2Te3 by divalent Fe doping, PHYSICAL REVIEW B, 87(20), 2013
  78. Perpendicular magnetic anisotropy with enhanced orbital moments of Fe adatoms on a topological surface of Bi2Se3, JOURNAL OF PHYSICS-CONDENSED MATTER, 25(23), 2013
  79. Unoccupied topological surface state in Bi2Te2Se, PHYSICAL REVIEW B, 88(8), 2013
  80. Electronic and spin structures of solids investigated by means of synchrotron radiation photoemission, RADIATION PHYSICS AND CHEMISTRY, 93, 14-20, 2013
  81. Experimental Evidence of Hidden Topological Surface States in PbBi4Te7, PHYSICAL REVIEW LETTERS, 111(20), 2013
  82. Experimental verification of the surface termination in the topological insulator TlBiSe2 using core-level photoelectron spectroscopy and scanning tunneling microscopy, PHYSICAL REVIEW B, 88(24), 2013
  83. Spin-Polarized Angle-Resolved Photoelectron Spectroscopy of the So-Predicted Kondo Topological Insulator SmB6, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(1), 2014
  84. Perpendicular magnetic anisotropy with enhanced orbital moments of Fe adatoms on a topological surface of Bi2Se3., Perpendicular magnetic anisotropy with enhanced orbital moments of Fe adatoms on a topological surface of Bi2Se3., 25(23), 2013
  85. Experimental verification of the surface termination in the topological insulator TlBiSe2 using core-level photoelectron spectroscopy and scanning tunneling microscopy, Physical Review B - Condensed Matter and Materials Physics, 88(24), 20131223
  86. Orbital-symmetry-selective spin characterization of Dirac-cone-like state on W(110), PHYSICAL REVIEW B, 93(16), 20160408
  87. Photoelectron spin polarization in the Bi2Te3(0001) topological insulator: Initial- and final-state effects in the photoemission process, PHYSICAL REVIEW B, 93(24), 20160627
  88. Hidden Rashba spin-split states in a quasi-one-dimensional Au atomic chain on ferromagnetic Ni(110), PHYSICAL REVIEW B, 94(24), 20161215
  89. Surface Kondo effect and non-trivial metallic state of the Kondo insulator YbB12, NATURE COMMUNICATIONS, 7, 20160831
  90. Observation of the spin-polarized surface state in a noncentrosymmetric superconductor BiPd, NATURE COMMUNICATIONS, 7, 20161107
  91. Direct observation of spin-layer locking by local Rashba effect in monolayer semiconducting PtSe2 film, Nature Communications, 8, 20170131
  92. Surface core level shifts of the Au adsorbed Si(111) reconstructed surfaces, Journal of Electron Spectroscopy and Related Phenomena, 80, 229-232, 19960501
  93. Angle-resolved photoelectron spectroscopy of the Si(111)3×1-Na surface, Physical Review B - Condensed Matter and Materials Physics, 55(11), 6762-6765, 19970315
  94. 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(3), 2014
  95. Titanium-induced charge of Si(001) surface dependent on local configuration, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 192, 35-39, 2014
  96. Titanium-induced charge of Si(001) surface dependent on local configuration (vol 192, pg 35, 2014), JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 198, 69-69, 2015
  97. Angle-resolved photoemission study of MxTiS2 (M=Mn, Fe, Co, Ni; x=1/3, 1/4), Journal of Electron Spectroscopy and Related Phenomena, 78, 477-480, 19960501
  98. Two-dimensional angular distribution of photoemission spectra from the valence band of 1T-TaS2, Journal of Electron Spectroscopy and Related Phenomena, 78, 489-492, 19960501
  99. Surface and bulk core level shifts of the Si(111) 3 × 1-Na and Si(111) δ7 × 7-Na surfaces, Surface Science, 321(1-2), 105-110, 19941210
  100. Unusual two-dimensional angular distribution of photoelectrons of Kish graphite and 1T-TaS2, Solid State Communications, 98(7), 671-675, 19960501
  101. Symmetry analysis of the Fermi surface of Bi2Sr2CaCu2O8 by display analyzer, Journal of Electron Spectroscopy and Related Phenomena, 88-91, 489-493, 19980301
  102. Fermi surface of Sr2RuO4 studied by two-dimensional angle resolved photoelectron spectroscopy, Journal of Electron Spectroscopy and Related Phenomena, 88-91, 473-477, 19980301
  103. Symmetry Analysis of the Fermi Surface States of Sr2RuO4 by Display-Type Photoelectron Spectroscopy, Journal of the Physical Society of Japan, 68(4), 1398-1403, 19990401
  104. Temperature evolution of the photoemission spectra for the Si(111) surface using the laser annealing method, Surface Review and Letters, 9(2), 769-774, 20020401
  105. Electronic structure of Ag thin films on a Ge(001) surface, Surface Review and Letters, 9(2), 681-686, 20020401
  106. Spin arrangement of the Mn/Fe(001) system investigated by spin-polarized photoelectron diffraction, Surface Review and Letters, 9(2), 901-906, 20020401
  107. Determining the surface atomic structure of an oxygen-covered W(001) surface by solving the inverse band-structure problem, Japanese Journal of Applied Physics, Part 2: Letters, 41(5), L527-L529, 20020501
  108. Atomic and electronic structures of Si(1 1 3)1 × 1-Sb surface: Core-level shifts and surface states, Surface Science, 513(1), 49-56, 20020701
  109. Core-level photoemission of the Si(1 1 1)-√21 × √21-Ag surface using synchrotron radiation, Applied Surface Science, 190(1-4), 121-128, 20020508
  110. Two-dimensional angle-resolved resonance photoelectron spectroscopy of 1T-TaS2, Journal of Electron Spectroscopy and Related Phenomena, 88-91, 287-292, 19980301
  111. Si(111)-√21 × √21-(Ag+Cs) surface studied by scanning tunneling microscopy and angle-resolved photoemission spectroscopy, Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 42(7 B), 4659-4662, 20030701
  112. Electronic evidence of asymmetry in the Si(111)√3 × √3-Ag structure, Physical Review B - Condensed Matter and Materials Physics, 68(8), 854071-854075, 20030801
  113. The Present and Future of Nano-Lithography Using Scanning Probes-How to Measure the Properties of Nano-Lithographed Structures-, Journal of the Surface Science Society of Japan, 19(11), 698-707, 199811
  114. Observation of magnetic domains in magnetic microstructures using SR-PEEM, 25, 20010901
  115. How to measure the nanoscale physical properties of materials, 67(12), 1361-1369, 19981210
  116. Development of a synchrotron radiation photoemission microscopy (SR-PEEM) for magnetic imaging, 24, 20000901
  117. Reversal switching between single domain and flux closure domain in mesoscopic Ni disks, 25, 20010901
  118. Two-Dimensional Surface Adatom of Gas Phase and Core-Level Photoemission Spectroscopy, J. Surf. Sci. Soc. Jpn., 24(9), 556-562, 20030910
  119. Spin-resolved Fermi-surface-mapping by means of spin- and angle-resolved photoelectron spectroscopy, 20(3), 159-170, 20070531
  120. Development of High Efficiency Spin-polarized Photoemission Spectrometer and the Applications to Surface Science, J. Surf. Sci. Soc. Jpn., 30(6), 312-318, 20090610
  121. Scanning Tunneling Microscopy Assisted by Synchrotron Radiation Light for High-resolution Element Specific Imaging, J. Surf. Sci. Soc. Jpn., 31(9), 452-458, 20100910
  122. Spin-Split Quantum-Well States Induced by Hybridization with Rashba-Split Surface States, J. Surf. Sci. Soc. Jpn., 31(9), 493-499, 20100910
  123. High-Resolution Element specific Analysis with Scanning Tunneling Microscope Assisted by Synchrotron Radiation Light, 47(1), 14-17, 20120330
  124. High-Efficient Spin- and Angle-Resolved Photoemission Spectroscopy for Bi_2Te_2Se and Bi_2Se_2Te, 34(7), 374-379, 20130710
  125. Resonant Photoemission Study of EuNi_2(Si_<1-x>Ge_x)_2 II, Meeting abstracts of the Physical Society of Japan, 55(1), 20000310
  126. Spin-resolved photoelectron diffraction of Ag 4p electron on Fe/Ag(001) surface, Meeting abstracts of the Physical Society of Japan, 55(1), 20000310
  127. Experimental realization of type-II Weyl state in noncentrosymmetric TaIrTe4, PHYSICAL REVIEW B, 95(24), 20170612
  128. Large-Gap Magnetic Topological Heterostructure Formed by Subsurface Incorporation of a Ferromagnetic Layer, NANO LETTERS, 17(6), 3493-3500, 201706
  129. Adsorbate doping of MoS2 and WSe2: the influence of Na and Co, JOURNAL OF PHYSICS-CONDENSED MATTER, 29(28), 20170719
  130. High quality atomically thin PtSe2 films grown by molecular beam epitaxy, 2D MATERIALS, 4(4), 201712
  131. Experimental realization of two-dimensional Dirac nodal line fermions in monolayer Cu2Si, NATURE COMMUNICATIONS, 8, 20171018
  132. Recent trends in spin-resolved photoelectron spectroscopy, JOURNAL OF PHYSICS-CONDENSED MATTER, 29(48), 20171206
  133. Direct evidence of hidden local spin polarization in a centrosymmetric superconductor LaO0.55F0.45BiS2, NATURE COMMUNICATIONS, 8, 20171204
  134. Discovery of 2D Anisotropic Dirac Cones, ADVANCED MATERIALS, 30(2), 20180111
  135. Peculiar Rashba spin texture induced by C-3v symmetry on the Bi(111) surface revisited, PHYSICAL REVIEW B, 97(8), 20180223
  136. Location of the valence band maximum in the band structure of anisotropic 1T '-ReSe2, PHYSICAL REVIEW B, 97(16), 20180418
  137. Experimental observation of node-line-like surface states in LaBi, PHYSICAL REVIEW B, 97(15), 20180425
  138. Electronic and spin structure of the wide-band-gap topological insulator: Nearly stoichiometric Bi2Te2S, PHYSICAL REVIEW B, 97(20), 20180510
  139. Circular-polarized-light-induced spin polarization characterized for the Dirac-cone surface state at W(110) with C-2v symmetry, SCIENTIFIC REPORTS, 8, 20180711
  140. Enhanced surface state protection and band gap in the topological insulator PbBi4Te4S3, PHYSICAL REVIEW MATERIALS, 2(10), 20181001

Invited Lecture, Oral Presentation, Poster Presentation

  1. Anisotropic Electronic Structures on Silver Thin Films Induced by Substrates with Low-dimensional Superstructures, 2009/10, With Invitation
  2. Development and applications of high-efficient spin-resolved photoelectron spectroscopy, 2010/01, With Invitation
  3. Synchrotron radiation-assisted scanning tunneling microscopy for nanometer scale chemical analysis, 2009/12, With Invitation
  4. Development and Applications of A New Spin-polarized Photoemission Spectrometer with High Efficiency and Energy Resolution, 2009/03, With Invitation
  5. Real space chemical imaging by combining STM and photoemission techniques: toward sub-10 nm resolution, 2008/09, With Invitation
  6. Spin-resolved photoelectron Spectroscopy, Taichi Okuda, 7th Surface Nano-Science Workshop, 2011/11/19, With Invitation
  7. Observation of spin-polarized surface states induced by spin-orbit interaction by high-resolution spin-polarized photoelectron spectroscopy, Taichi Okuda, International workshop on Strong correlations and angle-resolved photoemission spectroscopy (CORPES13), 2013/07/29, With Invitation
  8. Exploring of spin-polarized surface states by highly-efficient spin-polarized photoelectron spectroscopy, Taichi Okuda, Fall meeting of Korea Physical Scoiety, 2013/10/31, With Invitation
  9. Investigation of peculiar spin electronic states induced by spin-orbit interaction using high-resolution spin-resolved photoemission, Taichi Okuda, Pacific rim symposium on Surfaces, Coatings and Interfaces (Pacsurf2014), 2014/12/08, With Invitation
  10. High-resolution spin vectorial measurement on spin-orbit interaction induced electronic structure of low-dimensional system, Taichi Okuda, Spin-orbit coupling interaction in surface or interface states 2015 (SOCSIS-15), 2015/06/08, With Invitation
  11. Spin texture of Au atomic chain on semiconductor and ferromagnetic metal surfaces, Taichi Okuda, Quantum Materials Symposium (QMS16), 2016/02/21, With Invitation
  12. Exploration of hidden spin-polarized electron by high-resolution spin- and angle-resolved photoemission, Taichi Okuda, 25th Anniversary of SSSJ Kansai, 2017/01/24, With Invitation
  13. Exploration of hidden spin-polarized electronic states by spin-resolved photoemission, Taichi Okuda, 2018/09/04, With Invitation

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, Improvement of high efficiency spin-resolved photoelectron spectroscopy and 3-dimensional spin analysis of materials for spintronics, 2011, 2013
  2. KAKENHI, Resolving spin-helical textures of newly developed topological insulator materials, 2011, 2013
  3. KAKENHI, Development of experimental techniques for femto-second pulsed X-ray source, 2007, 2009
  4. KAKENHI, Study of surface magnetism by using high-efficient spin-polarized photoelectron spectroscopy, 2007, 2009
  5. KAKENHI, Observation of ultra-fast magnetic response by a time-resolved photoemission electron microscope, 2006, 2010
  6. KAKENHI, 2004, 2005
  7. KAKENHI, Study of the interfaces between magnetic thin films and antiferromagnetic substrates by synchrotron radiation photoelectron emission microscopy, 2003, 2004
  8. KAKENHI, Development of STM combined with synchrotron-radiation light source and its application to elemental analysis and spin observation, 2002, 2003
  9. KAKENHI, 2016, 2019

Social Activities

Organizing Academic Conferences, etc.

  1. 15th International Conference on Formation of Semiconductor Interfaces (ICFSI-15), Co-chair of program committee, 2015/01, 2015/11