Inelastic X-ray scattering studies of a novel electronic state induced by the interferences among multiple low-energy excitations

2012 Fiscal Year Final Research Report

• Project/Area Number: 22540345
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics I
• Research Institution: 公益財団法人高輝度光科学研究センター (2012); Japan Synchrotron Radiation Research Institute (2010-2011)
• Principal Investigator: TSUTSUI Satoshi 公益財団法人高輝度光科学研究センター, 利用研究促進部門, 副主幹研究員 (70360823)
• Project Period (FY): 2010 – 2012
• Keywords: 光物性 / X線非弾性散乱 / 非調和フォノン / 結晶場 / 価数揺動

Research Abstract

High resolution inelastic X-ray scattering has been carried out in order to elucidate phonon dispersion relations and nature of phonon excitations in materials. We applied this technique to the investigation of interference phenomena between phonon excitation and electronic excitations such as crystal electric field (CEF) excitations originated from f-electrons in strongly correlated f-electron systems. We succeeded in the observation of the interference phenomenon between a phonon and CEF excitations inPrOs_4Sb_<12>-PrRu_4Sb_<12> system. We also investigated interference phenomena between phonon and charge fluctuation due to f-electrons.

Research Products

• [Journal Article] Pressure-Temperature Phase Diagram of Sm Valence State in a Heavy Fermion Compound SmOs_4Sb_<12>, (2013)
  • Author(s): S. Tsutsui, N. Kawamura, M. Mizumaki, N. Ishimatsu, H. Maruyama, H. Sugawara and H. Sato
  • Journal Title: J. Phys. Soc. Jpn. Volume: 82 Pages: 023707-1 - 023707-4
  • Peer Reviewed
• [Journal Article] Atomic Dynamics of Low-Lying Rare-Earth Guest Modes in Heavy Fermion Filled Skutterudites Ros_4Sb_<12> (R: Light Rare-Earth) (2012)
  • Author(s): S. Tsutsui, H. Uchiyama, J. P. Sutter, A. Q. R. Baron, M. Mizumaki, N. Kawamura, T. Uruga, H. Sugawara, J. Yamaura, A. Ochiai, T. Hasegawa, N. Ogita, M. Udagawa, and H. Sato
  • Journal Title: Phys. Rev. Volume: B 86 Pages: 195115-1 - 195115-13
  • Peer Reviewed
• [Journal Article] Renormalized Motion of Dysprosium Atoms Filled in Boron Cages of DyB_6 (2012)
  • Author(s): K. Iwasa, K. Kuwahara, Y. Utsumi, K. Saito, H. Kobayashi, T. Sato, M. Amano, T. Hasegawa, N. Ogita, M. Udagawa, S. Tsutsui and A. Q. R. Baron
  • Journal Title: J. Phys. Soc. Jpn. Volume: 81 Pages: 113601-1 - 113601-4
  • Peer Reviewed
• [Journal Article] Inelastic X-ray Scattering of Heavy Fermion Compounds Ros_4Sb_<12> (R : Light Rare-Earth) (2012)
  • Author(s): S. Tsutsui, H. Uchiyama, J. P. Sutter, A. Q. R. Baron, J. Yamaura, H. Sugawara, and H. Sato
  • Journal Title: J. Phys.: Conf. Ser. Volume: 391 Pages: 012074-1 - 012074-4
  • Peer Reviewed
• [Journal Article] <149>^Sm and <57>^Fe Nuclear Resonant Inelastic Scattering of Filled Skutterudites SmFe_4X_<12> (X : pnictogen), (2012)
  • Author(s): S. Tsutsui, H. Kobayashi, Y. Yoda, H. Sugawara, C. Sekine, T. Namiki, I. Shirorani and H. Sato
  • Journal Title: Hyperfine Interact Volume: 206 Pages: 67-70
  • Peer Reviewed
• [Journal Article] Rare Earth Dependent Einstein Temperatures in Filled Skutterudite Compounds REFe_4P_<12> (R = La, Ce, Pr, Nd and Sm) (2011)
  • Author(s): M. Mizumaki, S. Tsutsui, H. Tanida, T. Uruga, D. Kikuchi, H. Sugawara and H. Sato
  • Journal Title: J. Phys. Soc. Jpn. Volume: 80 Pages: 074603-1 - 074603-6
  • Peer Reviewed
• [Journal Article] Sm Atomic and Charge Dynamics in a Heavy Fermion Compound SmOs_4Sb_<12> (2011)
  • Author(s): S. Tsutsui, M. Mizumaki, M. Tsubota, H. Uchiyama, A. Q. R. Baron, T. Uruga, D. Kikuchi, H. Sugawara, and H. Sato
  • Journal Title: J. Phys. Soc. Jpn. Volume: 80 suppl Pages: A SA036-1 - SA036-3
  • Peer Reviewed
• [Journal Article] Origins of phase transitions in valence fluctuating YbPd
  • Author(s): A. Mitsuda, M. Sugishima, T. Hasegawa, S. Tsutsui M. Isobe, Y. Ueda, M. Udagawa and H. Wada
  • Journal Title: J. Phys. Soc. Jpn. in press.
  • Peer Reviewed
• [Presentation] 価数揺動物質YbPdのフォノン分散測定 (2013)
  • Author(s): 光田 暁弘、杉島正樹、長谷川 巧、筒井 智嗣、Alfred Q. R. Baron、宇田川眞行、和田裕文
  • Organizer: 日本物理学会第68回年会
  • Place of Presentation: 広島大学、広島県東広島市
  • Year and Date: 2013-03-28
• [Presentation] 充填スクッテルダイトPr(Os_<1-x>Ru_x)_4Sb_<12>におけるラットリング・結晶場励起間の新奇結合状態 (2013)
  • Author(s): 宮崎 亮一、筒井 智嗣、青木勇二、東中隆二、荻田典男、長谷川 巧、宇田川眞行、Alfred Q. R. Baron、佐藤英行
  • Organizer: 日本物理学会第68回年会
  • Place of Presentation: 広島大学、広島県東広島市
  • Year and Date: 2013-03-26
• [Presentation] 非弾性X線散乱によるPrT2Zn20 (T=Ru, Ir)のフォノン分散測定 (2013)
  • Author(s): 脇舎 和平、鬼丸孝博、筒井 智嗣、長澤直裕、大林容子、松本圭介、高畠敏郎、Alfred Q. R. Baron、長谷川 巧、荻田典男、宇田川眞行
  • Organizer: 日本物理学会第68回年会
  • Place of Presentation: 広島大学、広島県東広島市
  • Year and Date: 2013-03-26
• [Presentation] SmOs_4Sb_<12>における非調和フォノンと価数揺動 (2013)
  • Author(s): 筒井 智嗣、水牧仁一朗、内山裕士、Alfred Q. R. Baron、菅原 仁、佐藤英行
  • Organizer: 日本物理学会第68回年会
  • Place of Presentation: 広島大学、広島県東広島市
  • Year and Date: 2013-03-26
• [Presentation] Rattling motions in strongly correlated electron systems (2012)
  • Author(s): S. Tsutsui
  • Organizer: RIKEN workshop on "High-Resolution Spectroscopy with X-Rays"
  • Place of Presentation: 理化学研究所、埼玉県和光市
  • Year and Date: 2012-11-15
• [Presentation] 'Rattling' Motion in Filled Skutterudites observed by X-ray Scattering Techniques (2012)
  • Author(s): S. Tsutsui, H. Kobayashi, M. Mizumaki, A. Q. R. Baron, Y. Yoda, T. Uruga, C. Sekine, I. Shirotani, H. Sugawara and H. Sato
  • Organizer: Japan-France Joint Seminar on Physics and Applications of Clustering Solids
  • Place of Presentation: 兵庫県淡路市
  • Year and Date: 2012-11-06
• [Presentation] カゴ状化合物PrRu_2Zn_<20>の非弾性X線散乱 (2012)
  • Author(s): 脇舎 和平、鬼丸孝博、筒井 智嗣、長澤直裕、大林容子、松本圭介、高畠敏郎、Alfred Q. R. Baron、長谷川 巧、荻田典男、宇田川眞行
  • Organizer: 日本物理学会2012年秋季大会
  • Place of Presentation: 横浜国立大学、神奈川県横浜市
  • Year and Date: 2012-09-20
• [Presentation] YB_6のX線非弾性散乱 (2012)
  • Author(s): 筒井 智嗣、長谷川 巧、遊川幸一、荻田典男、Alfred Q. R. Baron、伊賀文俊、宇田川眞行
  • Organizer: 日本物理学会2012年秋季大会
  • Place of Presentation: 横浜国立大学、神奈川県横浜市
  • Year and Date: 2012-09-18
• [Presentation] β-パイロクロアにおけるアルカリ元素の非調和振動 (2012)
  • Author(s): 筒井 智嗣、山浦淳一、Alfred Q. R. Baron、廣井善二
  • Organizer: 日本物理学会第67回年会
  • Place of Presentation: 関西学院大学、兵庫県西宮市
  • Year and Date: 2012-03-26
• [Presentation] <149>^Sm and <57>^Fe Nuclear Resonant Inelastic Scattering of Filled Skutterudites SmFe_4X_<12> (X : pnictgen) (2011)
  • Author(s): S. Tsutsui, H. Kobayashi, Y. Yoda, H. Sugawara, C. Sekine, T. Namiki, I. Shirotani and H. Sato
  • Organizer: International Conference on the Application of the Mossbauer Effect (ICAME2011)
  • Place of Presentation: 兵庫県神戸市
  • Year and Date: 2011-09-27
• [Presentation] 充填スクッテルダイトPr(Os_<1-x>Ru_x)_4Sb_<12>における非弾性X線散乱 (2011)
  • Author(s): 宮崎 亮一、筒井智嗣、青木勇二、東中隆二、Alfred Q. R. Baron、佐藤英行
  • Organizer: 日本物理学会2011年秋季大会
  • Place of Presentation: 富山大学、富山県富山市
  • Year and Date: 2011-09-23
• [Presentation] Inelastic X-ray Scattering of Heavy Fermion Compounds Ros_4Sb_<12> (R : Light Rare-Earth) (2011)
  • Author(s): S. Tsutsui, H. Uchiyama, J. P. Sutter, A. Q. R. Baron, J. Yamaura, H. Sugawara, and H. Sato
  • Organizer: International Conference on Strongly Correlated Electron Systems (SCES2011)
  • Place of Presentation: イギリス・ケンブリッジ
  • Year and Date: 2011-09-02
• [Presentation] Ros_4Sb_<12>(R : 軽希土類)のX線非弾性散乱 (2010)
  • Author(s): 筒井 智嗣、内山裕士、John. P. Sutter、Alfred Q. R. Baron、菅原仁、山浦淳一、佐藤英行
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪府立大学、大阪府堺市
  • Year and Date: 2010-09-25