Bulk-sensitive photoelectron spectroscopy on transition metal magnetic compounds with multiple conductive electron orbitals

• Project/Area Number: 25800205
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Condensed matter physics II
• Research Institution: Okayama University
• Principal Investigator: TERASHIMA Kensei 岡山大学, 自然科学研究科, 講師 (20551518)
• Project Period (FY): 2013-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000); Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
• Keywords: 光電子分光 / 遷移金属磁性体 / d電子系 / p電子系 / 遷移金属化合物 / 電子状態 / 構造相転移

Outline of Final Research Achievements

Photoemission study has been applied to the following multi-orbital materials in order to discuss the mechanism for their novel properties from the viewpoint of the electronic structures. (i) Magnetic shape memory material Ni2MnGa, (ii) MnRh, an antiferromagnet with possible high Neel temperature, (iii) Possible half-metallic material CrO2, (iv) KxFe2-ySe2, a superconductor showing spatial phase separation with antiferromagnetism, (v) a novel superconductor La(O,F)BiS2 which exhibits marked spin-orbit interactions.

Research Products

• [Journal Article] Intrinsic spin polarized electronic structure of CrO2 epitaxial film revealed by bulk-sensitive spin-resolved photoemission spectroscopy (2015)
  • Author(s): H. Fujiwara, M. Sunagawa, K. Terashima, T. Kittaka, T. Wakita, Y. Muraoka, and T. Yokoya
  • Journal Title: Applied Physics Letters Volume: 印刷中
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Proximity to Fermi-surface topological change in superconducting LaO0.54F0.46BiS2 (2014)
  • Author(s): Kensei Terashima, Junki Sonoyama, Takanori Wakita, Masanori Sunagawa, Kanta Ono, Hiroshi Kumigashira, Takayuki Muro, Masanori Nagao, Satoshi Watauchi, Isao Tanaka, Hiroyuki Okazaki, Yoshihiko Takano, Osuke Miura, Yoshikazu Mizuguchi, Hidetomo Usui, Katsuhiro Suzuki, Kazuhiko Kuroki, Yuji Muraoka, Takayoshi Yokoya
  • Journal Title: Phys. Rev. B Volume: 90 Issue: 22
  • DOI: 10.1103/physrevb.90.220512
  • NAID: 120005606106
  • Peer Reviewed
• [Journal Article] Probing Strongly Correlated 4f -Orbital Symmetry of the Ground State in Yb Compounds by Linear Dichroism in Core-Level Photoemission (2014)
  • Author(s): T. Mori, S. Kitayama, Y. Kanai, S. Naimen, H. Fujiwara, A. Higashiya, K. Tamasaku, A. Tanaka, K. Terashima, S. Imada, A. Yasui, Y. Saitoh, K. Yamagami, K. Yano, T. Matsumoto, T. Kiss, M. Yabashi, T. Ishikawa, S. Suga, Y. Onuki, T. Ebihara, and A. Sekiyama
  • Journal Title: Journal of the Physical Society of Japan Volume: 83 Issue: 12 Pages: 123702-123702
  • DOI: 10.7566/jpsj.83.123702
  • NAID: 210000133356
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Magnetic properties of Ni2N (2014)
  • Author(s): H. Nishihara, K. Suzuki, R. Y. Umetsu, T. Kanomata, T. Kaneko, M. Y. Zhou, M. Tsujikawa, M. Shirai, T. Sakon, T. Wada, K. Terashima, and S. Imada
  • Journal Title: Physica B-Condensed Matter Volume: 449 Pages: 85-89
  • DOI: 10.1016/j.physb.2014.05.016
  • Peer Reviewed
• [Presentation] Ln(O,F)BiS2 (Ln=La,Ce)の角度分解光電子分光 (2015)
  • Author(s): 寺嶋健成,脇田高徳,砂川正典,藤原弘和,浜田貴裕,長尾雅則,綿打敏司,田中功,蓑原誠人,堀場弘司,小野寛太,組頭広志,室隆桂之,岡崎宏之,高野義彦,村岡祐治,横谷尚睦
  • Organizer: 日本物理学会2015年年次大会
  • Place of Presentation: 早稲田大学早稲田キャンパス
  • Year and Date: 2015-03-21 – 2015-03-24
• [Presentation] Electronic structure of La(O,F)BiS2 studied by angle-resolved photoelectron spectroscopy (2014)
  • Author(s): K. Terashima, M. Sunagawa, H. Fujiwara, T. Hamada, J. Sonoyama, K. Ono, H. Kumigashira, T. Muro, M. Nagao, H. Okazaki, Y. Takano, O. Miura, Y. Mizuguchi, T. Wakita, Y. Muraoka, T. Yokoya
  • Organizer: Ushimado International Workshop on Physics and Chemistry of Novel Superconductors and Related Materials
  • Place of Presentation: Hotel limani in Ushimado, Okayama, Japan
  • Year and Date: 2014-11-08 – 2014-11-10
• [Presentation] LaO1-xFxBiS2 (x=0.23, 0.46)の角度分解光電子分光 (2014)
  • Author(s): 寺嶋健成
  • Organizer: 研究環「特異な結晶構造に創出する新奇量子相の解明」第２回研究会
  • Place of Presentation: 首都大学東京南大沢キャンパス
  • Year and Date: 2014-09-26
• [Presentation] 角度分解光電子分光によるLaO_1-x_F_x_BiS_2_(x=0.23)の電子状態観測 (2014)
  • Author(s): 寺嶋健成,砂川正典,藤原弘和,浜田貴裕,園山純生,組頭広志,小野寛太,長尾雅則,高野義彦,脇田高徳,村岡祐治,横谷尚睦
  • Organizer: 日本物理学会2014年秋季大会
  • Place of Presentation: 中部大学春日井キャンパス
  • Year and Date: 2014-09-07 – 2014-09-10
• [Presentation] 硬X線光電子分光によるMnRhの電子状態の観測 (2014)
  • Author(s): 寺嶋健成, 野中優, 大塩弘起, 門野利治, 東谷篤志, 関山明, 玉作賢治, 藤原秀紀, 山崎篤志, 菅滋正, 田中義人, 矢橋牧名, 石川哲也, 梅津理恵, 鹿又武, 今田真
  • Organizer: 日本物理学会
  • Place of Presentation: 東海大学
• [Presentation] 硬X線光電子分光を用いたホイスラー合金Ni_2_MnGaの電子状態観測 (2013)
  • Author(s): 寺嶋健成, 顧淳, 山田将太郎, 野中優, 東谷篤志, 関山明, 玉作賢治, 藤原秀紀, 山崎篤志, 恒川雅典, 菅滋正, 田中義人, 矢橋牧名, 石川哲也, 白井正文, 鹿又武, 今田真
  • Organizer: 日本物理学会
  • Place of Presentation: 広島大学
• [Remarks] 所属研究室ホームページ
  • URL: http://film.rlss.okayama-u.ac.jp/