Magnetic anisotropy and electron orbitals in magnetic thin films and multilayers studied by angle-dependent x-ray magnetic circular dichroism
Project/Area Number |
15K17696
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Multi-year Fund |
Research Field |
Condensed matter physics II
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Research Institution | The University of Tokyo |
Principal Investigator |
Shibata Goro 東京大学, 大学院理学系研究科(理学部), 助教 (20747026)
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Research Collaborator |
SAKAMOTO Shoya
NONAKA Yosuke
IKEDA Keisuke
CHI Zhendong
WAKABAYASHI Yuki
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
|
Keywords | 磁気異方性 / 薄膜 / 強磁性体 / X線磁気円二色性 / 遷移金属化合物 / 軌道磁気モーメント / 電子軌道 / 磁性薄膜 / マンガン酸化物 / L10型合金 / スピネル型酸化物 / スピン密度分布 |
Outline of Final Research Achievements |
In the present research project, we have worked on the improvement of the vector-magnet apparatus for x-ray dichroism spectroscopy, which has allowed us to perform angle-dependent x-ray magnetic circular dichroism (XMCD) experiments with higher precision than before. We have also established a methodology to investigate the electron orbital occupation in ferromagnets using this method. We have performed angle-dependent XMCD experiments on several ferromagnets such as (La,Sr)MnO3 and L10-type FePt, which are candidates for spintronics materials. We have experimentally demonstrated that, in order to explain the magnetic anisotropy of ferromagnetic thin films, one has to take into account the anisotropy of the electron-density distribution in addition to the anisotropy of the orbital magnetic moment.
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Report
(4 results)
Research Products
(71 results)
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[Journal Article] Anisotropic spin-density distribution and magnetic anisotropy of strained La1-xSrxMnO3 thin films: Angle-dependent x-ray magnetic circular dichroism2018
Author(s)
G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, K. Ikeda, Z. Chi, M. Furuse, S. Fuchino, M. Okano, J. Fujihira, A. Uchida, K. Watanabe, H. Fujihira, S. Fujihira, A. Tanaka, H. Kumigashira, T. Koide, and A. Fujimori
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Journal Title
npj Quantum Materials
Volume: VOL. 3
Issue: 1
Pages: 3-3
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Magnetic anisotropy of L10-ordered FePt thin films studied by Fe and Pt L2,3-edges x-ray magnetic circular dichroism2017
Author(s)
K. Ikeda, T. Seki, G. Shibata, T. Kadono, K. Ishigami, Y. Takahashi, M. Horio, S. Sakamoto, Y. Nonaka, M. Sakamaki, K. Amemiya, N. Kawamura, M. Suzuki, K. Takanashi, and A. Fujimori
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Journal Title
APPLIED PHYSICS LETTERS
Volume: 111
Issue: 14
Pages: 142402-142402
DOI
Related Report
Peer Reviewed
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[Journal Article] Effects of cobalt substitution in L10-(Fe,Co)Pt thin films2017
Author(s)
S. Sakamoto, K. Srinivasan, R. Zhang, O. Krupin, K. Ikeda, G. Shibata, Y. Nonaka, Z. Chi, M. Sakamaki, K. Amemiya, A. Fujimori, and A. Ajan
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Journal Title
Phys. Rev. B
Volume: VOL. 96
Issue: 14
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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[Journal Article] Electronic structure and magnetic properties of magnetically dead layers in epitaxial CoFe2O4/Al2O3/Si(111) films studied by x-ray magnetic circular dichroism2017
Author(s)
Y. K. Wakabayashi, Y. Nonaka, Y. Takeda, S. Sakamoto, K. Ikeda, Z. Chi, G. Shibata, A. Tanaka, Y. Saitoh, H. Yamagami, M. Tanaka, A. Fujimori, and R. Nakane
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Journal Title
Phys. Rev. B
Volume: VOL. 96
Issue: 10
Pages: 104410-104410
DOI
Related Report
Peer Reviewed
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[Journal Article] Origin of the large positive magnetoresistance of Ge1-xMnx granular thin films2017
Author(s)
Y. K. Wakabayashi, R. Akiyama, Y. Takeda, M. Horio, G. Shibata, S. Sakamoto, Y. Ban, Y. Saitoh, H. Yamagami, A. Fujimori, M. Tanaka, and S. Ohya
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Journal Title
Physical Review B
Volume: 95
Issue: 1
Pages: 144171-6
DOI
Related Report
Peer Reviewed
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[Presentation] Orbital magnetic moment anisotropy at ferromagnet/heavy metal heterostructures studied by x-ray magnetic circular dichroism2018
Author(s)
Z. Chi, G. Shibata, S. Sakamoto, Y. Nonaka, K. Ikeda, Y.-X. Wan, Masahiro Suzuki, N. Kawamura, M. Mizumaki, Motohiro Suzuki, M. Sakamaki, K. Amemiya, Y.-C. Lau, M. Hayashi, and A. Fujimori
Organizer
Max Planck-UBC-UTokyo School for Quantum Materials
Related Report
Int'l Joint Research
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[Presentation] Magnetic field angle-dependent XMCD study of L10-ordered FePt thin films with perpendicular magnetic anisotropy2018
Author(s)
K. Ikeda, T. Seki, G. Shibata, S. Sakamoto, Y. Nonaka, Z. Chi, Y.-X. Wan, M. Suzuki, M. Sakamaki, K. Amemiya, K. Takanashi, and A. Fujimori
Organizer
Max Planck-UBC-UTokyo School for Quantum Materials
Related Report
Int'l Joint Research
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[Presentation] Magnetically-induced anisotropic charge distribution in La1-xSrxMnO3 thin films revealed by x-ray magnetic linear dichroism2018
Author(s)
G. Shibata, K. Yoshimatsu, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, T. Kadono, M. Furuse, S. Fuchino, M. Okano, J.-i. Fujihira, A. Uchida, K. Watanabe, H. Fujihira, S. Fujihira, A. Tanaka, H. Kumigashira, T. Koide, and A. Fujimori
Organizer
18-th Taiwan-Japan-Korea Symposium on Strongly Correlated Electron Systems (TJK18)
Related Report
Int'l Joint Research
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[Presentation] Magnetic field angle-dependent XMCD study of L10-ordered FePt thin films with perpendicular magnetic anisotropy2018
Author(s)
K. Ikeda, T. Seki, G. Shibata, S. Sakamoto, Y. Nonaka, Z. Chi, Y.-X. Wan, M. Suzuki, M. Sakamaki, K. Amemiya, K. Takanashi, and A. Fujimori
Organizer
18-th Taiwan-Japan-Korea Symposium on Strongly Correlated Electron Systems (TJK18)
Related Report
Int'l Joint Research
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[Presentation] Orbital magnetic moment at ferromagnet/heavy metal heterointerfaces studied by x-ray magnetic circular dichroism2018
Author(s)
Z. Chi, G. Shibata, S. Sakamoto, Y. Nonaka, K. Ikeda, Y.-X. Wan, Masahiro Suzuki, N. Kawamura, M. Mizumaki, Motohiro Suzuki, M. Sakamaki, K. Amemiya, Y. Lau, M. Hayashi, and A. Fujimori
Organizer
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
Related Report
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[Presentation] ステップ基板上に作製したマグネタイトFe3O4の磁場方向依存XAS, XMCDの温度変化2017
Author(s)
野中洋亮, C. F. Chang, 芝田悟朗, X. Liu, 坂本祥哉, 池田啓祐, 池震棟, 田中新, 酒巻真粧子, 雨宮健太, L. H. Tjeng, 藤森淳
Organizer
日本物理学会第72 回年次大会
Place of Presentation
大阪大学豊中キャンパス(大阪府豊中市)
Year and Date
2017-03-17
Related Report
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[Presentation] 角度依存XMCDの精密測定で探るFe3O4の複素軌道秩序2017
Author(s)
野中洋亮, C. F. Chang, 芝田悟朗, X. H. Liu, 坂本祥哉, 池田啓祐, 池震棟, 田中新, 酒巻真粧子, 雨宮健太, L. H. Tjeng, 藤森淳
Organizer
2016年度量子ビームサイエンスフェスタ
Place of Presentation
つくば国際会議場(茨城県つくば市)
Year and Date
2017-03-14
Related Report
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[Presentation] Search for complex orbital order in magnetite Fe3O4 by magnetic-field-direction dependent XAS and XMCD measurements2017
Author(s)
Y. Nonaka, C. F. Chang, G. Shibata, X. Liu, S. Sakamoto, K. Ikeda, Z. Chi, A. Tanaka, M. Sakamaki, K. Amemiya, L. H. Tjeng, and A. Fujimori
Organizer
17th Korea-Taiwan-Japan Workshop on Strongly Correlated Electron System
Place of Presentation
Yongpyong (Korea)
Year and Date
2017-02-19
Related Report
Int'l Joint Research
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[Presentation] Angle-dependent XMCD study of magnetite Fe3O42017
Author(s)
Y. Nonaka, C. F. Chang, G. Shibata, X. Liu, S. Sakamoto, K. Ikeda, Z. Chi, A. Tanaka, M. Sakamaki, K. Amemiya, L. H. Tjeng, and A. Fujimori
Organizer
CEMS-QPEC Symposium on Emergent Quantum Materials
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Year and Date
2017-01-18
Related Report
Int'l Joint Research
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[Presentation] Origin of enhanced magnetization in cobalt-substituted bismuth ferrite studied by x-ray magnetic circular dichroism2017
Author(s)
Z. Chi, G. Shibata, R. Kawabe, Y. Takeda, S. Sakamoto, Y. Nonaka, K. Ikeda, Y. K. Wakabayashi, R. Nakane, H. Hojo, M. Azuma, and A. Fujimori
Organizer
CEMS-QPEC Symposium on Emergent Quantum Materials
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Year and Date
2017-01-18
Related Report
Int'l Joint Research
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[Presentation] Soft x-ray spectroscopy and first-principles calculation studies of the electronic structure of the novel high-TC ferromagnetic semiconductor (Ga,Fe)Sb2017
Author(s)
S. Sakamoto, N. Tu, Y. Takeda, S. Fujimori, P. Hai, L. Anh, Y. K. Wakabayashi, G. Shibata, M. Horio, K. Ikeda, Y. Saitoh, H. Yamagami, M. Tanaka, and A. Fujimori
Organizer
IEEE International Magnetics Conference (INTERMAG Europe 2017)
Related Report
Int'l Joint Research
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[Presentation] Magnetic anisotropy and anisotropic spin-density distribution in strained La1-xSrxMnO3 thin films revealed by angle-dependent XMCD2017
Author(s)
G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, M. Furuse, M. Okano, J.-i. Fujihira, S. Fujihira, H. Kumigashira, T. Koide, and A. Fujimori et al. (他9名)
Organizer
IUMRS-ICAM 2017 (15-th International Conference on Advanced Materials)
Related Report
Int'l Joint Research
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[Presentation] Anisotropic spin-density distribution in strained La1-xSrxMnO3 thin films revealed by angle-dependent XMCD2017
Author(s)
G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, M. Furuse, M. Okano, J.-i. Fujihira, S. Fujihira, H. Kumigashira, T. Koide, and A. Fujimori et al. (他9名)
Organizer
Junjiro Kanamori Memorial International Symposium
Related Report
Int'l Joint Research
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[Presentation] XMCD study on large perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn)2As2 single crystal2017
Author(s)
S. Sakamoto, G. Q. Zhao, G. Shibata, Z. Deng, K. Zhao, B. J. Chen, Y. Nonaka, K. Ikeda, Z. Chi, Y.-X. Wan, M. Suzuki, T. Koide, S. Maekawa, Y. J. Uemura, C. Q. Jin, and A. Fujimori
Organizer
Junjiro Kanamori Memorial International Symposium
Related Report
Int'l Joint Research
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[Presentation] Cation distribution at the interface of epitaxial CoFe2O4/Al2O3/Si(111) films studied by x-ray magnetic circular dichroism2017
Author(s)
Y. Nonaka, Y. K. Wakabayashi, G. Shibata, Y. Takeda, S. Sakamoto, K. Ikeda, Z. Chi, A. Tanaka, Y. Saitoh, H. Yamagami, M. Tanaka, R. Nakane, and A. Fujimori
Organizer
Junjiro Kanamori Memorial International Symposium
Related Report
Int'l Joint Research
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[Presentation] Anisotropic orbital magnetic moments in L10-ordered FePt thin films studied by Fe and Pt L2,3-edge x-ray magnetic circular dichroism2017
Author(s)
K. Ikeda, T. Seki, G. Shibata, T. Kadono, K. Ishigami, Y. Takahashi, M. Horio, S. Sakamoto, Y. Nonaka, M. Sakamaki, K. Amemiya, N. Kawamura, M. Suzuki, K. Takanashi, and A. Fujimori
Organizer
Junjiro Kanamori Memorial International Symposium
Related Report
Int'l Joint Research
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[Presentation] Orbital magnetic moment and Dzyloshinskii-Moriya interaction in Co-heavy metal heterostructures2017
Author(s)
Z. Chi, G. Shibata, S. Sakamoto, Y. Nonaka, K. Ikeda, Y.-X. Wan, Masahiro Suzuki, N. Kawamura, M. Mizumaki, Motohiro Suzuki, M. Sakamaki, K. Amemiya, Y.-C. Lau, M. Hayashi, and A. Fujimori
Organizer
Junjiro Kanamori Memorial International Symposium
Related Report
Int'l Joint Research
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[Presentation] Large perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn)2As2 single crystal2017
Author(s)
S. Sakamoto, G. Zhao, G. Shibata, Z. Deng, K. Zhao, B. Chen, Y. Nonaka, K. Ikeda, Z. Chi, Y.-X. Wan, M. Suzuki, T. Koide, S. Maekawa, Y. Uemura, C. Q. Jin, and A. Fujimori
Organizer
第78回応用物理学会秋季講演会
Related Report
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[Presentation] Orbital magnetic moment of heavy metals in Co-heavy metal heterostructures studied by x-ray magnetic circular dichroism2017
Author(s)
Z. Chi, G. Shibata, S. Sakamoto, Y. Nonaka, K. Ikeda, Y.-X. Wan, Masahiro Suzuki, N. Kawamura, M. Mizumaki, Motohiro Suzuki, M. Sakamaki, K. Amemiya, Y. Lau, M. Hayashi, and A. Fujimori
Organizer
第78回応用物理学会秋季講演会
Related Report
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[Presentation] Anisotropy of spin-density distribution in La1-xSrxMnO3 thin films: Angledependent XMCD study2017
Author(s)
G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, K. Ikeda, Z. Chi, J.-i. Fujihira, A. Uchida, K. Watanabe, H. Fujihira, S. Fujihira, M. Furuse, S. Fuchino, M. Okano, H. Kumigashira, T. Koide, and A. Fujimori
Organizer
DMREF-FCMP Symposium on Mott Transitions and Computational Approaches
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Related Report
Int'l Joint Research
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[Presentation] Angle-dependent XMCD study of magnetite Fe3O42017
Author(s)
Y. Nonaka, C. F. Chang, G. Shibata, X. Liu, S. Sakamoto, K. Ikeda, Z. Chi, A. Tanaka, M. Sakamaki, K. Amemiya, L. H. Tjeng, and A. Fujimori
Organizer
DMREF-FCMP Symposium on Mott Transitions and Computational Approaches
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Related Report
Int'l Joint Research
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[Presentation] Magnetic moment anisotropies of L10-ordered FePt films studied by x-ray magnetic circular dichroism2017
Author(s)
K. Ikeda, G. Shibata, T. Seki, K. Ishigami, S. Sakamoto, Y. Nonaka, M. Sakamaki, K. Amemiya, N. Kawamura, M. Suzuki, K. Takanashi, and A. Fujimori
Organizer
DMREF-FCMP Symposium on Mott Transitions and Computational Approaches
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Related Report
Int'l Joint Research
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[Presentation] Origin of enhanced magnetization in cobalt-substituted bismuth ferrite studied by x-ray magnetic circular dichroism2017
Author(s)
Z. Chi, G. Shibata, R. Kawabe, Y. Takeda, S. Sakamoto, Y. Nonaka, K. Ikeda, Y. K. Wakabayashi, R. Nakane, H. Hojo, M. Azuma, and A. Fujimori
Organizer
DMREF-FCMP Symposium on Mott Transitions and Computational Approaches
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Related Report
Int'l Joint Research
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[Presentation] ARPESとXMCDで調べるSr2VFeAsO3-δにおける強磁性と超伝導の共存2017
Author(s)
堀尾眞史, 岡崎浩三, 竹田幸治, 鈴木博人, 徐健, 輿石佳佑, 石上啓介, 芝田悟朗, 高橋文雄, 若林勇希, 坂本祥哉, 野中洋亮, 池田啓祐, 小林正起, 堀場弘司, 組頭広志, 小野寛太, 小出常晴, 斎藤祐児, 山上浩志, 藤森伸一, 並木宏允, 片桐隆雄, 笹川崇男, 藤森淳
Organizer
第8回低温センター研究交流会
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Related Report
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[Presentation] Origin of the large magnetoresistance in Ge1-xMnx granular thin films2017
Author(s)
若林勇希, 秋山了太, 竹田幸治, 堀尾眞史, 芝田悟朗, 坂本祥哉, 伴芳祐, 斎藤祐児, 山上浩志, 藤森淳, 田中雅明, 大矢忍
Organizer
第8回低温センター研究交流会
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
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[Presentation] ペロブスカイト酸化物LaNiO3/LaMnO3 へテロ界面における界面強磁性の発現2016
Author(s)
北村未歩, 堀場弘司, 小林正起, 坂井延寿, 簔原誠人, 湯川龍, 三橋太一, 雨宮健太, 藤森淳, 藤岡洋, 組頭広志, 野中洋亮, 芝田悟朗
Organizer
日本物理学会秋季大会
Place of Presentation
金沢大学角間キャンパス(石川県金沢市)
Year and Date
2016-09-13
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[Presentation] Electronic structure of the p-type ferromagnetic semiconductor (Ga,Fe)Sb2016
Author(s)
S. Sakamoto, N. T. Tu, Y. Takeda, S.-i. Fujimori, P. N. Hai, L. D. Anh, Y. K. Wakabayashi, G. Shibata, M. Horio, K. Ikeda, Y. Saitoh, H. Yamagami, M. Tanaka, and A. Fujimori
Organizer
第77 回応用物理学会秋季学術講演会
Place of Presentation
朱鷺メッセ(新潟県新潟市)
Year and Date
2016-09-13
Related Report
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[Presentation] Origin of the large magnetoresistance in Ge1-xMnx granular thin films2016
Author(s)
Y. K. Wakabayashi, R. Akiyama, Y. Takeda, M. Horio, G. Shibata, S. Sakamoto, Y. Ban, Y. Saitoh, H. Yamagami, A. Fujimori, M. Tanaka, and S. Ohya
Organizer
第77 回応用物理学会秋季学術講演会
Place of Presentation
朱鷺メッセ(新潟県新潟市)
Year and Date
2016-09-13
Related Report
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[Presentation] Origin of the large positive magnetoresistance in Ge1-xMnx granular films2016
Author(s)
Y. K. Wakabayashi, R. Akiyama, Y. Takeda, M. Horio, G. Shibata, S. Sakamoto, Y. Ban, Y. Saitoh, H. Yamagami, A. Fujimori, M. Tanaka, and S. Ohya
Organizer
9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids
Place of Presentation
神戸国際会議場(兵庫県神戸市)
Year and Date
2016-08-08
Related Report
Int'l Joint Research
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[Presentation] X-ray magnetic circular dichroism and cluster-model analysis of the spinel-type vanadate CoV2O42016
Author(s)
Y. Nonaka, G. Shibata, R. Koborinai, K. Ishigami, S. Sakamoto, K. Ikeda, Z. Chi, T. Koide, A. Tanaka, T. Katsufuji, and A. Fujimori
Organizer
International Symposium on New Horizons in Condensed Mater Physics
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Year and Date
2016-06-18
Related Report
Int'l Joint Research
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[Presentation] Angle dependent x-ray magnetic circular dichroism study of the magnetite Fe3O4 thin film2016
Author(s)
Y. Nonaka, G. Shibata, C. F. Chang, X. H. Liu, K. Ishigami, S. Sakamoto, K. Ikeda, T. Koide, A. Tanaka, L. H. Tjeng, and A. Fujimori
Organizer
16-th Japan-Korea-Taiwan Workshop on Strongly Correlated Electron Systems
Place of Presentation
東京大学本郷キャンパス(東京都文京区)
Year and Date
2016-02-19
Related Report
Int'l Joint Research
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[Presentation] スピネル型酸化物CoV2O4のX線磁気円二色性2016
Author(s)
野中洋亮,芝田悟朗,小堀内類,石上啓介,坂本祥哉,田中新,小出常晴,勝藤拓郎,藤森淳
Organizer
第29回日本放射光学会・放射光科学合同シンポジウム
Place of Presentation
東京大学柏の葉キャンパス駅前サテライト(千葉県柏市)
Year and Date
2016-01-09
Related Report
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[Presentation] 角度依存XMCDによるLa0.6Sr0.4MnO3薄膜の磁気異方性とスピン分布異方性の観測2015
Author(s)
芝田悟朗, 吉松公平, 石上啓介, 原野貴幸, 高橋文雄, 坂本祥哉, 門野利治, 古瀬充穂, 淵野修一郎, 岡野眞, 藤平潤一, 内田公, 渡邊和訓, 藤平秀幸, 藤平誠一, 組頭広志, 小出常晴, 藤森淳
Organizer
日本物理学会2015年秋季大会
Place of Presentation
関西大学千里山キャンパス(大阪府吹田市)
Year and Date
2015-09-16
Related Report
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[Presentation] マグネタイトFe3O4薄膜の角度依存X線磁気円二色性2015
Author(s)
野中洋亮, 芝田悟朗, C.-F. Chang, X. Liu, 坂本祥哉, 池田啓祐, 田中新, 小出常晴, L. H. Tjeng, 藤森淳
Organizer
日本物理学会2015年秋季大会
Place of Presentation
関西大学関西大学千里山キャンパス(大阪府吹田市)
Year and Date
2015-09-16
Related Report
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