Probing three-dimensional bulk Fermi surfaces and quasi-particles in solids by high-energy photoemission

2008 Fiscal Year Final Research Report

• Project/Area Number: 18684015
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics I
• Research Institution: Osaka University
• Principal Investigator: SEKIYAMA Akira Osaka University, 基礎工学研究科, 教授 (40294160)
• Project Period (FY): 2006 – 2008
• Keywords: 光物性 / 光電子分光

Research Abstract

これまでのバルク敏感角度分解光電子分光にhν制御測定も加えた軟X線角度分解光電子分光による3次元バルク電子構造/フェルミ面観測手法確立に成功した。この手法をCeRu_2Si_2に適用したところ、3次元的な電子構造とフェルミ面を観測し、それらが量子振動測定の結果と良く合うことが判明した。また、この測定と相補的な硬X線光電子分光も進め、ほぼバルク電子状態のみを反映したCe 3d内殻光電子スペクトルの測定に成功した。

Research Products

• [Journal Article] Do all nuclei recoil on photoemission in compounds? (2009)
  • Author(s): S. Suga, A. Sekiyama, H. Fujiwara, Y. Nakatsu, T. Miyamachi, S. Imada, P. Baltzer, S. Niitaka, H. Takagi, K. Yoshimura, M. Yabashi, K. Tamasaku, A. Higashiya, T. Ishikawa
  • Journal Title: New J. Phys. 11 Pages: 073025-1-9
  • Peer Reviewed
• [Journal Article] In situ positioning of a few hundred micrometer-sized cleaved surface for soft-x-ray angle-resolved photoemission spectroscopy by use of an optical microscope (2009)
  • Author(s): T. Muro, Y. Kato, T. Matsuhita, T. Kinoshita, Y. Watanabe, A. Sekiyama, H. Sugiyama, M. Kimura, S. Komori, S. Suga, H. Okazaki, T. Yokoya
  • Journal Title: Rev. Sci. Instrum. 80 Pages: 053901-1-4
  • Peer Reviewed
• [Journal Article] Kondo lattice effects and the collapse of lattice coherence in Yb1-xLuxB12 studied by hard x-ray photoelectron spectroscopy (2009)
  • Author(s): J. Yamaguchi, A. Sekiyama, S. Imada, H. Fujiwara, M. Yano, T. Miyamachi, G. Funabashi, M. Obara, A. Higashiya, K. Tamasaku, M. Yabashi, T. Ishikawa, F. Iga, T. Takabatake, S. Suga
  • Journal Title: Phys. Rev. B 79 Pages: 125121-1-8
  • Peer Reviewed
• [Journal Article] Electronic structures and p-d exchange interaction of Mn-doped diluted magnetic semiconductors (2008)
  • Author(s): S. Ueda, A. Sekiyama, T. Iwasaki, S. Imada, S. Suga, Y. Saitoh, W. Giriat, S. Takeyama
  • Journal Title: Phys. Rev. B 78 Pages: 205206-1-8
  • Peer Reviewed
• [Journal Article] Band Jahn-Teller instability and formation of valence bond solid in a mixed-valent spinel oxide LiRh2O4 (2008)
  • Author(s): Y. Okamoto, S. Niitaka, M. Uchida, T. Waki, M. Takigawa, Y. Nakatsu, A. Sekiyama, S. Suga, R. Arita, H. Takagi
  • Journal Title: Phys. Rev. Lett. 101 Pages: 086404-1-4
  • Peer Reviewed
• [Journal Article] Bulk electronic structures and strong electron-phonon interactions in an electron-doped high-temperature superconductor (2008)
  • Author(s): M. Tsunekawa, A. Sekiyama, S. Kasai, S. Imada, H. Fujiwara, T. Muro, Y. Onose, Y. Tokura, S. Suga
  • Journal Title: New J. Phys. 10 Pages: 073005-1-11
  • Peer Reviewed
• [Journal Article] Stability of electronic states across the metal-insulator transition in PrRu4P12 (2008)
  • Author(s): A. Yamasaki, S. Imada, A. Sekiyama, H. Fujiwara, M. Yano, J. Yamaguchi, G. Funabashi, H. Sugawara, D. Kikuchi, H. Sato, T. Muro, A. Higashiya, K. Tamasaku, M. Yabashi, H. Kobori, A. Sugimura, T. Ishikawa, H. Harima, S. Suga
  • Journal Title: Phys. Rev. B 77 Pages: 165125-1-4
  • Peer Reviewed
• [Journal Article] Ultrahigh-resolution vacuum ultraviolet light source system for extremely low energy photoelectron spectroscopy (2008)
  • Author(s): G. Funabashi, H. Fujiwara, A. Sekiyama, M. Hasumoto, T. Ito, S. Kimura, P. Baltzer, S. Suga
  • Journal Title: Jpn. J. Appl. Phys. 47 Pages: 2265-2269
  • Peer Reviewed
• [Journal Article] Electronic structure of CeRu2X2 (X=Si, Ge) in the paramagnetic phase studied by soft x-ray ARPES and hard x-ray photoelectron spectroscopy (2008)
  • Author(s): M. Yano, A. Sekiyama, H. Fujiwara, Y. Amano, S. Imada, T. Muro, M. Yabashi, K. Tamasaku, A. Higashiya, T. Ishikawa, Y. Onuki, S. Suga
  • Journal Title: Phys. Rev. B 77 Pages: 035118-1-8
  • Peer Reviewed
• [Journal Article] Reduction of Kondo lattice effects in Yb1-xLuxAl3 observed by soft x-ray photoelectron spectroscopy (2007)
  • Author(s): J. Yamaguchi, A. Sekiyama, S. Imada, A. Yamasaki, M. Tsunekawa, T. Muro, T. Ebihara, Y. Onuki, S. Suga
  • Journal Title: New J. Phys. 9 Pages: 317-1-9
  • Peer Reviewed
• [Journal Article] Electron correlation and the metal-insulator transition of the pyrochlore molybdates R2Mo2O7 (R = Nd, Sm, Gd, Tb, Y) (2007)
  • Author(s): A. Higashiya, S. Imada, A. Yamasaki, A. Irizawa, A. Sekiyama, S. Suga, Y. Taguchi, M. Iwama, K. Ohgushi, Y. Tokura
  • Journal Title: Phys. Rev. B 75 Pages: 155106-1-7
  • Peer Reviewed
• [Journal Article] Coexistence of strongly mixed-valence and heavy-Fermion character in SmOs4Os12 studied by soft- and hard-X-ray spectroscopy (2007)
  • Author(s): A. Yamasaki, S. Imada, H. Higashimichi, H. Fujiwara, T. Saita, T. Miyamachi, A. Sekiyama, H. Sugawara, D. Kikuchi, H. Sato, A. Higashiya, M. Yabashi, K. Tamasaku, D. Miwa, T. Ishikawa, S. Suga
  • Journal Title: Phys. Rev. Lett. 98 Pages: 156402-1-4
  • Peer Reviewed
• [Journal Article] Dimensionality of the electronic states in Nd0. 45Sr0. 55MnO3 studied by soft x-ray photoemission (2007)
  • Author(s): H. Fujiwara, A. Sekiyama, M. Yano, T. Murakawa, T. Miyamachi, M. Tsunekawa, S. Imada, B. Schmid, M. Sing, A. Higashiya, T. Muro, T. Nakamura, K. Noda, H. Kuwahara, S. Miyasaka, Y. Tokura, S. Suga
  • Journal Title: J. Magn. Magn. Mater. 310 Pages: 816-818
  • Peer Reviewed
• [Journal Article] Bulk 3-D Fermi surfaces of CeRu2Ge2 proved by soft x-ray ARPES (2007)
  • Author(s): M. Yano, A. Sekiyama, H. Fujiwara, T. Saita, S. Imada, T. Muro, Y. Onuki, S. Suga
  • Journal Title: J. Magn. Magn. Mater. 310 Pages: 437-439
  • Peer Reviewed
• [Journal Article] Three-dimensional bulk Fermiology of CeRu2Ge2 in the paramagnetic phase by soft x-ray hν-dependent (700-860 eV) ARPES (2007)
  • Author(s): M. Yano, A. Sekiyama, H. Fujiwara, T. Saita, S. Imada, T. Muro, Y. Onuki, S. Suga
  • Journal Title: Phys. Rev. Lett. 98 Pages: 036405-1-4
  • Peer Reviewed
• [Journal Article] Evidence for strong electronic correlations in the spectra of Sr2RuO4 (2007)
  • Author(s): Z.V. Pchelkina, I.A. Nekrasov, Th. Pruschke, A. Sekiyama, S. Suga, V.I. Anisimov, D. Vollhardt
  • Journal Title: Phys. Rev. B 75 Pages: 035122-1-10
  • Peer Reviewed
• [Journal Article] Photoemission study of (V1-xMx)2O3 (M = Cr, Ti) (2006)
  • Author(s): S. -K. Mo, H. -D. Kim, J.D. Denlinger, J.W. Allen, J. -H. Park, A. Sekiyama, A. Yamasaki, S. Suga, Y. Saitoh, T. Muro, P. Metcalf
  • Journal Title: Phys. Rev. B 74 Pages: 165101-1-12
  • Peer Reviewed
• [Journal Article] Photoemission spectroscopy and x-ray absorption spectroscopy studies of the superconducting Pyrochlore oxide Cd2Re2O7 (2006)
  • Author(s): A. Irizawa, A. Higashiya, S. Kasai, T. Sasabayashi, A. Shigemoto, A. Sekiyama, S. Imada, S. Suga, H. Sakai, H. Ohno, M. Kato, K. Yoshimura, H. Harima
  • Journal Title: J. Phys. Soc. Jpn. 75 Pages: 094701-1-5
  • Peer Reviewed
• [Journal Article] Case for bulk nature of spectroscopic Luttinger liquid signatures observed in angleresolved photoemission spectra of Li0. 9Mo6O17 (2006)
  • Author(s): Feng Wang, S. -K. Mo, J.W. Allen, H. -D. Kim, J. He, R. Jin, D. Mandrus, A. Sekiyama, M. Tsunekawa, S. Suga
  • Journal Title: Phys. Rev. B 74 Pages: 113107-1-4
  • Peer Reviewed
• [Journal Article] Diversity of electronic states of Nd0. 5Sr0. 5MnO3 revealed by soft Xray photoemission (2006)
  • Author(s): H. Fujiwara, A. Sekiyama, A. Higashiya, K. Konoike, A. Yamasaki, S. Imada, T. Muro, K. Noda, H. Kuwahara, Y. Tokura, S. Suga
  • Journal Title: Physica B Pages: 378-380,515-517
  • Peer Reviewed
• [Presentation] Three-dimensional soft x-ray ARPES and polarization-dependent hard x-ray photoemission study of strongly correlated electron systems (2009)
  • Author(s): A. Sekiyama
  • Organizer: Invited talk on 11th International Conference on Electronic Spectroscopy & Structure
  • Place of Presentation: Nara, Japan
  • Year and Date: 2009-10-08
• [Presentation] 「重い電子系Ce化合物の3次元ARPESによるフェルミオロジー」, 「光電子分光によるフェルミオロジー」 (2009)
  • Author(s): 関山明
  • Organizer: 日本放射光学会
  • Place of Presentation: 東京大学
  • Year and Date: 2009-01-12
• [Presentation] 重い電子系物質の軟X線3次元角度分解光電子分光」, 「高分解能角度分解光電子分光研究と将来展望」 (2008)
  • Author(s): 関山明
  • Organizer: PF研究会
  • Place of Presentation: 高エネルギー加速器研究機構
  • Year and Date: 2008-12-18
• [Presentation] 「Ce化合物の軟X線3次元角度分解光電子分光で分かるフェルミ面と電子構造」, 「重い電子系研究の新展開」 (2008)
  • Author(s): 関山明
  • Organizer: 東大物性研短期研究会
  • Place of Presentation: 東大物性研
  • Year and Date: 2008-07-24
• [Presentation] Innovation of bulk-sensitive photoemission spectroscopy applied to strongly correlated materials for probing their electronic states (2007)
  • Author(s): 関山明
  • Organizer: 日本物理学会若手奨励賞受賞講演
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-21
• [Presentation] 「軟X線角度分解光電子分光による固体結晶の3次元フェルミオロジー」, 「高輝度軟X線放射光が拓く物質科学の新たな地平」 (2007)
  • Author(s): 関山明
  • Organizer: 東大物性研短期研究会
  • Place of Presentation: 東大物性研
  • Year and Date: 2007-07-05
• [Presentation] 高エネルギー励起光によるバルク敏感角度分解光電子分光 (2006)
  • Author(s): 関山明
  • Organizer: 日本表面科学会第26回表面科学講演大会シンポジウム
  • Place of Presentation: 大阪大学
  • Year and Date: 2006-11-07
• [Presentation] High-resolution soft x-ray photoemission of strongly correlated Perovskites: Probing their bulk electronic states (2006)
  • Author(s): A. Sekiyama, H. Fujiwara, M. Tsunekawa, S. Imada, H. Eisaki, S.I. Uchida, Y. Onuki, T. Kimura, Y. Onose, Y. Tokura, H. Kuwahara, T. Muro, S. Suga
  • Organizer: International Conference on Magnetism (ICM2006)
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 2006-08-24
• [Presentation] Bulk-sensitive high-energy angle-resolved photoemission study of strongly correlated electron systems (2006)
  • Author(s): A. Sekiyama, M. Yano, H. Fujiwara, Y. Amano, S. Imada, T. Muro, Y. Onuki, S. Suga
  • Organizer: Invited talk on 5th International Conference on Synchrotron Radiation in Materials Science (SRMS-5)
  • Place of Presentation: Chicago, IL, USA
  • Year and Date: 2006-08-02
• [Book] Lecture Notes in Physics(S. Hufner ed., "High-resolution high-energy photoemission study of rare-earth heavy Fermion systems" in "Very high-resolution photoelectron spectroscopy", 715) (2007)
  • Author(s): A. Sekiyama, S. Imada, A. Yamasaki, S. Suga
  • Total Pages: 351-372
  • Publisher: Springer
• [Remarks]
  • URL: http://decima.mp.es.osaka-u.ac.jp
• [Patent(Industrial Property Rights)] 原子軌道解析装置およびその解析方法 (2009)
  • Inventor(s): 関山明
  • Industrial Property Rights Holder: 国立大学法人大阪大学
  • Industrial Property Number: 特許・特願2009-038656
  • Filing Date: 2009-02-20
• [Patent(Industrial Property Rights)] 表面原子可視化装置 (2007)
  • Inventor(s): 関山明, 菅滋正
  • Industrial Property Rights Holder: 国立大学法人大阪大学
  • Industrial Property Number: 特許・特願2007-005230、特開2008-170356
  • Filing Date: 2007-01-12