岩澤英明HIDEAKIIWASAWA

Last Updated :2019/10/01

所属・職名
大学院理学研究科物理科学専攻特任准教授
メールアドレス
h-iwasawahiroshima-u.ac.jp

基本情報

学位

  • 博士(理学)(東京理科大学)
  • 修士(理学)(東京理科大学)

研究分野

  • 数物系科学 / 物理学 / 物性Ⅰ
  • 数物系科学 / 物理学 / 物性Ⅱ

所属学会

研究活動

学術論文(★は代表的な論文)

  1. ★, Buried double CuO chains in YBa2Cu4O8 uncovered by nano-ARPES, PHYSICAL REVIEW B, 99巻, pp. 140410-1-140410-6, 20190426
  2. ★, Accurate and efficient data acquisition methods for high-resolution angle-resolved photoemission microscopy, SCIENTIFIC REPORTS, 8巻, pp. 17431-1-17431-9, 20181127
  3. ★, Surface termination and electronic reconstruction in YBa2Cu3O7-delta, PHYSICAL REVIEW B, 98巻, 8号, AUG 21 2018
  4. A weak topological insulator state in quasi-one-dimensional bismuth iodide, NATURE, 566巻, 7745号, pp. 518-+, 20190228
  5. Electronic and spin structure of the wide-band-gap topological insulator: Nearly stoichiometric Bi2Te2S, PHYSICAL REVIEW B, 97巻, 20号, MAY 10 2018
  6. Orbital-symmetry-selective spin characterization of Dirac-cone-like state on W(110), PHYSICAL REVIEW B, 93巻, 16号, APR 8 2016
  7. Monolayer charge-neutral graphene on platinum with extremely weak electron-phonon coupling, PHYSICAL REVIEW B, 92巻, 11号, SEP 11 2015
  8. Electronic structure of the heavy-fermion caged compound Ce3Pd20X6 (X = Si, Ge) studied by density functional theory and photoelectron spectroscopy, PHYSICAL REVIEW B, 91巻, 11号, MAR 30 2015
  9. Monolayer PtSe2, a New Semiconducting Transition-Metal-Dichalcogenide, Epitaxially Grown by Direct Selenization of Pt, NANO LETTERS, 15巻, 6号, pp. 4013-4018, JUN 2015
  10. Fermi surfaces and orbital polarization in superconducting CeO0.5F0.5BiS2 revealed by angle-resolved photoemission spectroscopy, PHYSICAL REVIEW B, 92巻, 4号, JUL 16 2015
  11. Structural and electronic properties of manganese-doped Bi2Te3 epitaxial layers, NEW JOURNAL OF PHYSICS, 17巻, JAN 15 2015
  12. Pressure and temperature dependence of the Ce valence and c- f hybridization gap in CeT2In5 (T = Co,Rh,Ir) heavy-fermion superconductors, PHYSICAL REVIEW B, 92巻, 23号, DEC 7 2015
  13. Symmetry-resolved surface-derived electronic structure of MoS2(0001), JOURNAL OF PHYSICS-CONDENSED MATTER, 26巻, 45号, NOV 12 2014
  14. Evidence of coexisting Kondo screening and valence fluctuations in the CePd7/Pd(001) surface alloy, PHYSICAL REVIEW B, 89巻, 20号, MAY 29 2014
  15. Many-body interactions and Rashba splitting of the surface state on Cu(110), PHYSICAL REVIEW B, 89巻, 8号, FEB 5 2014
  16. Occupied and unoccupied electronic structure of Na doped MoS2(0001), APPLIED PHYSICS LETTERS, 105巻, 24号, DEC 15 2014
  17. Symmetry-protected surface state on Mo(112), JOURNAL OF PHYSICS-CONDENSED MATTER, 26巻, 15号, APR 16 2014
  18. Polarization-Dependent ARPES Study on Quasi-One-Dimensional BaVS3, JPS Conference Proceedings, 3巻, pp. 013015, 20140601
  19. Large momentum-dependence of the main dispersion 'kink' in the high-T-c superconductor Bi2Sr2CaCu2O8+delta, NEW JOURNAL OF PHYSICS, 15巻, NOV 1 2013
  20. 'True' bosonic coupling strength in strongly correlated superconductors, SCIENTIFIC REPORTS, 3巻, MAY 31 2013
  21. Fermi-surface reconstruction involving two van Hove singularities across the antiferromagnetic transition in BaFe2As2, SOLID STATE COMMUNICATIONS, 157巻, pp. 16-20, MAR 2013
  22. High-resolution angle-resolved photoemission study of electronic structure and electron self-energy in palladium, PHYSICAL REVIEW B, 87巻, 3号, JAN 31 2013
  23. Prepairing and the filling" gap in the cuprates from the tomographic density of states", PHYSICAL REVIEW B, 87巻, 6号, FEB 19 2013
  24. Electronic and spin structures of solids investigated by means of synchrotron radiation photoemission, RADIATION PHYSICS AND CHEMISTRY, 93巻, pp. 14-20, DEC 2013
  25. Fermi surface of Mo(112) and indirect interaction between adsorbed atoms, PHYSICAL REVIEW B, 86巻, 12号, SEP 4 2012
  26. Massless or heavy due to two-fold symmetry: Surface-state electrons at W(110), PHYSICAL REVIEW B, 86巻, 16号, OCT 18 2012
  27. Enhanced electron-phonon coupling at the Au/Mo(112) surface, PHYSICAL REVIEW B, 86巻, 20号, NOV 30 2012
  28. Character of valence-band states in the Kondo surface alloys CeAgx/Ag(111) and CePt5/Pt(111), PHYSICAL REVIEW B, 85巻, 12号, MAR 27 2012
  29. High-resolution photoelectron spectroscopy study of Kondo metals: SmSn3 and Sm0.9La0.1Sn3, PHYSICAL REVIEW B, 85巻, 11号, MAR 26 2012
  30. High-Energy Anomaly in the Band Dispersion of the Ruthenate Superconductor, PHYSICAL REVIEW LETTERS, 109巻, 6号, AUG 7 2012
  31. Electronic structure and the valence state of Yb2Pd2Sn and YbPd2Sn studied by photoelectron and resonant x-ray emission spectroscopies, PHYSICAL REVIEW B, 86巻, 8号, AUG 24 2012
  32. The origin and non-quasiparticle nature of Fermi arcs in Bi2Sr2CaCu2O8+delta, NATURE PHYSICS, 8巻, 8号, pp. 606-610, AUG 2012
  33. New view of the occupied band structure of Mo(112), PHYSICAL REVIEW B, 85巻, 15号, APR 19 2012
  34. Coupling parameters of many-body interactions for the Al(100) surface state: A high-resolution angle-resolved photoemission spectroscopy study, PHYSICAL REVIEW B, 84巻, 15号, OCT 17 2011
  35. Orbital characters of bands in the iron-based superconductor BaFe1.85Co0.15As2, PHYSICAL REVIEW B, 83巻, 5号, FEB 22 2011
  36. Spin-doping effect on the electronic structure of Sr1-(x plus y)Lax+yTi1-xCrxO3, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 184巻, 3-6号, pp. 232-235, APR 2011
  37. Interplay among Coulomb Interaction, Spin-Orbit Interaction, and Multiple Electron-Boson Interactions in Sr2RuO4, PHYSICAL REVIEW LETTERS, 105巻, 22号, NOV 24 2010
  38. Oxygen isotope effect in optimally doped Bi2Sr2CaCu2O8+delta studied by low-energy ARPES, PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 470巻, pp. S134-S136, DEC 2010
  39. Enhancement of Hybridization between Two- and One-Dimensional Bands due to Coulomb and Spin-Orbit Interactions in Sr2RuO4, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79巻, 12号, DEC 2010
  40. Hexagonally Deformed Fermi Surface of the 3D Topological Insulator Bi2Se3, PHYSICAL REVIEW LETTERS, 105巻, 7号, AUG 10 2010
  41. Electronic structure of Sr0.8-yLa0.2+yTi0.8Cr0.2O3 studied by photoemission spectroscopy and first-principles band structure calculations, PHYSICAL REVIEW B, 80巻, 12号, SEP 2009
  42. Enhancement of oxygen isotope effect due to out-of-plane disorder in Bi(2)Sr(2)Ln(0.4)CuO(6+delta) superconductors, PHYSICAL REVIEW B, 80巻, 21号, DEC 2009
  43. Sheet Dependence on Superconducting Gap in Oxygen-Deficient Iron-Based Oxypnictide Superconductors NdFeAsO0.85, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77巻, 10号, OCT 2008
  44. Isotopic Fingerprint of Electron-Phonon Coupling in High-T(c) Cuprates, PHYSICAL REVIEW LETTERS, 101巻, 15号, OCT 10 2008
  45. Unusual oxygen isotope effects in cuprates?, Nature, 446巻, pp. E5, 20070301
  46. Electronic structure of charge- and spin-controlled Sr1-(xplusy)Lax+yTi1-xCrxO3, PHYSICAL REVIEW LETTERS, 96巻, 6号, FEB 17 2006
  47. Observation of Chiral Fermions with a Large Topological Charge and Associated Fermi-Arc Surface States in CoSi, PHYSICAL REVIEW LETTERS, 122巻, pp. 076402-1-076402-6, 20190220

招待講演、口頭・ポスター発表等

  1. YBCOの電子状態の終端面依存性と表面再構成, 岩澤英明, Niels B. M. Schröter、増井孝彦、田島節子、Timur K. Kim、Moritz Hoesch, 日本物理学会・第74回年次大会, 2019年03月15日, 通常, 日本語
  2. Micro-ARPES study on the cuprate superconductor YBCO, H. Iwasawa, N. B. M. Schröter, T. Masui, S. Tajima, T. K. Kim, M. Hoesch, APS 2019 March meeting, 2019年03月04日, 通常, 英語
  3. 顕微ARPESにおける精密・効率的な測定手法の開発, 岩澤英明, 田北仁志、後藤一希、Wumiti Mansuer、宮下剛夫、E. F. Schwier、井野明洋、島田賢也、相浦義弘, 第32回日本放射光学会年会・放射光科学合同シンポジウム, 2019年01月10日, 通常, 日本語
  4. Andreev bound states in cuprate superconductors studied by ARPES, Hideaki Iwasawa, International workshop "Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to transdisciplinary concepts" (BEC2018X), 2018年12月12日, 招待, 英語
  5. ARPES study on High-Tc Cuprate Superconductor, Hideaki Iwasawa, 2018 Japan-Korea Student workshop (Hiroshima University - Pusan National University), 2018年11月15日, 招待, 英語
  6. 最先端放射光ARPESの現状と展望, 岩澤英明, 第10回QSTセミナー, 2018年10月18日, 招待, 日本語, 量子科学技術研究開発機構, SPring-8
  7. Surface termination and electronic reconstruction in YBa2Cu3O7-delta revealed by micro-ARPES, Hideaki Iwasawa, Niels B. M. Schröter, Takahiko Masui, Setsuko Tajima, Timur K. Kim, and Moritz Hoesch, International Workshop on Trends in Advanced Spectroscopy in Materials Science (TASPEC), 2018年10月05日, 通常, 英語
  8. Diamondにおける最先端ARPES:計測技術と高効率化, 岩澤英明, 第10回放射光学会若手研究会、「放射光科学×インフォマティクス」, 2018年09月04日, 招待, 日本語
  9. 顕微ARPESの現状と展望, 岩澤英明, 第31回日本放射光学会年会・放射光科学合同シンポジウム, 2018年01月08日, 招待, 日本語
  10. Zero-energy state in cuprate superconductor YBCO observed by ARPES, H. Iwasawa, International workshop "Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to transdisciplinary concepts" (BEC2018), 2018年01月06日, 招待, 英語
  11. Large scale band renormalization in Sr2RuO4, S. Ozawa, H. Iwasawa, H. Oda, T. Yoshikawa, A. Kimura, T. Muro, Y. Yoshida, I. Hase, Y. Aiura, Emergent Condensed-Matter Physics 2019 (ECMP2019), 2019年03月19日, 通常, 英語
  12. High-resolution ARPES study of La2-xSrxCuO4, H. Oda, H. Iwasawa, T. Miyashita, S. Ozawa, A. Kimura, R. Yano, S. Kashiwaya, W. Yamamoto, E. F. Schwier, K. Shimada, Emergent Condensed-Matter Physics 2019 (ECMP2019), 2019年03月19日, 通常, 英語
  13. Angle-resolved Photoemission Study of Energy Gap of Bi2Sr2Ca(Cu1-xCox)2O8, Takeo Miyashita, Wumiti Mansuer, Hitoshi Takita, Takuya Kubo, Satoshi Ishizaka, Hideaki Iwasawa, Eike F Schwier, Kenya Shimada, Masashi Arita, Yoshinori Numata, Tatsuro Uto, Azusa Matsuda, Akihiro Ino, Emergent Condensed-Matter Physics 2019 (ECMP2019), 2019年03月19日, 通常, 英語
  14. 軟X線ARPESによるSr2RuO4の電子状態, 小澤秀介, 岩澤英明、尾田拓之慎、吉川智己、木村昭夫、室隆桂之、吉田良行、長谷泉、相浦義弘, 日本物理学会・第74回年次大会, 2019年03月15日, 通常, 日本語
  15. Large energy-scale band renormalization in Sr2RuO4, S. Ozawa, H. Iwasawa, H. Oda, T. Yoshikawa, A. Kimura, T. Muro, Y. Yoshida, I. Hase, Y. Aiura, W. Yamamoto, E. F. Schwier, K. Shimada, The 23rd Hiroshima International Symposium on Synchrotron Radiation, 2019年03月07日, 通常, 英語
  16. High-resolution ARPES study of La2-xSrxCuO4, H. Oda, H. Iwasawa, T. Miyashita, S. Ozawa, A. Kimura, R. Yano, S. Kashiwaya, W. Yamamoto, E. F. Schwier, K. Shimada, The 23rd Hiroshima International Symposium on Synchrotron Radiation, 2019年03月07日, 通常, 英語
  17. Co-substitution effect on electronic structure of high-Tc cuprate superconductor, Bi2Sr2Ca(Cu1-xCox)2O8, Takeo Miyashita, Wumiti Mansuer, Hitoshi Takita, Takuya Kubo, Satoshi Ishizaka, Hideaki Iwasawa, Eike F Schwier, Kenya Shimada, Masashi Arita, Yoshinori Numata, Tatsuro Uto, Azusa Matsuda, Akihiro Ino, APS 2019 March meeting, 2019年03月04日, 通常, 英語

受賞

  1. 2014年03月29日, 日本物理学会若手奨励賞, 一般社団法人日本物理学会会長
  2. 2012年01月07日, 日本放射光学会 奨励賞, 日本放射光学会 会長 水木純一郎, 「真空紫外線域の放射光を用いた酸化物超電導体の微細電子構造の研究」が,放射光科学の進展に大きく貢献し,先端計測分野を牽引していく若手研究者の一人として認定
  3. 広島大学長表彰, 広島大学, 放射光直線偏光特性を活用した光電子分光システムの開発と新システムを利用した超伝導研究
  4. 東京理科大学学生表彰, 東京理科大学, 超伝導国際会議国際ワークショップでの招待講演,Physical Review Lettersへの論文の掲載による業績

外部資金

競争的資金等の採択状況

  1. 科学研究費助成事業(基盤研究(C)), 光電子顕微分光による銅酸化物高温超伝導のアンドレーエフ束縛状態の観測, 2019年, 2022年
  2. 科学研究費助成事業(新学術領域研究(研究領域提案型)), ルテニウム酸化物超伝導体のバルク・表面における電子・スピン状態の解明, 2013年, 2014年
  3. 科学研究費助成事業(基盤研究(B)), フェルミ準位近傍の準粒子に働く多体相互作用の定量評価, 2010年, 2012年
  4. 科学研究費助成事業(若手研究(B)), 偏光依存角度分解光電子分光によるマルチバンド強相関物質 の微細電子構造の解明, 2010年, 2012年
  5. 科学研究費助成事業(基盤研究(B)), 高温超伝導体の電子状態における酸素同位体効果に関する角度分解光電子分光研究, 2007年, 2010年

社会活動

学術雑誌論文査読歴

  1. 2018年, Scientific Reports, 編集員, Editorial Board Member
  2. 2017年, Scientific Reports, 編集員, Editorial Board Member
  3. 2016年, Scientific Reports, 編集員, Editorial Board Member
  4. 2015年, Scientific Reports, 編集員, Editorial Board Member
  5. 2014年, Scientific Reports, 編集員, Editorial Board Member