Synthesis and magnetic functionalities of metastable oxide thin films
| Project/Area Number |
25249090
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
村井 俊介 京都大学, 工学(系)研究科(研究院), 助教 (20378805)
藤田 晃司 京都大学, 工学(系)研究科(研究院), 准教授 (50314240)
北條 元 東京工業大学, 応用セラミックス研究所, 助教 (90611369)
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| Project Period (FY) |
2013-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥44,200,000 (Direct Cost: ¥34,000,000、Indirect Cost: ¥10,200,000)
Fiscal Year 2016: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2014: ¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2013: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Keywords | 酸化物 / 磁性 / 準安定相 / 薄膜 / マルチフェロイクス / 磁気光学 / 誘電性 / 結晶構造 / 磁気的性質 / 圧電性 / 非線形光学 / 誘電体物性 |
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| Outline of Final Research Achievements |
The aim of the present study is to synthesize metastable transition metal oxides in a form of thin film and bulk material and to deduce magnetic interactions among the transition metal ions peculiar to the unique crystal and electronic structures different than those of stable phases, so that we can obtain novel compounds and materials relevant to the multiferroics, in which spins are strongly coupled with electric dipoles, and UV-vis magneto-optical devices, for which the interaction between spins and short-wavelength light is very important. We have succeeded in realization of ferromagnetism in Nb-doped EuTiO3 thin films, synthesis of Bi3Fe5O12 thin film and amorphous FeO-SiO2 thin films both of which show extremely large magneto-optical effect, and synthesis of novel lithium niobate-type iron oxides with high magnetic and dielectric transition temperatures.
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Report
(5 results)
Research Products
(83 results)
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[Journal Article] Structural phase transitions in EuNbO3 perovskite2016
Author(s)
Yoshiro Kususe, Suguru Yoshida, Koji Fujita, Hirofumi Akamatsu, Masafumi Fukuzumi, Shunsuke Murai, and Katsuhisa Tanaka
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Journal Title
Journal of Solid State Chemistry
Volume: 239
Pages: 192-199
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] LiNbO3-type InFeO3: Room-temperature polar magnet without second-order Jahn Teller active ions2016
Author(s)
Koji Fujita, Takahiro Kawamoto, Ikuya Yamada, Olivier Hernandez, Naoaki Hayashi, Hirofumi Akamatsu, William Lafargue-Dit-Hauret, Xavier Rocquefelte, Masafumi Fukuzumi, Pascal Manuel, Andrew J. Studer, Christopher Knee, and Katsuhisa Tanaka
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Journal Title
Chemistry of Materials
Volume: 28
Issue: 18
Pages: 6644-6655
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] Inversion symmetry breaking by oxygen octahedral rotations in Ruddlesden-Popper NaRTiO4 family2014
Author(s)
Hirofumi Akamatsu, Koji Fujita, Toshihiro Kuge, Arnab Sen Gupta, Atsushi Togo, Shiming Lei, Fei Xue, Greg Stone, James M Rondinelli, Long-Qing Chen, Isao Tanaka, Venkatraman Gopalan, and Katsuhisa Tanaka
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Journal Title
Physical Review Letters
Volume: 112
Issue: 18
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Room-temperature polar ferromagnet ScFeO3 transformed from a high-pressure orthorhombic perovskite phase2014
Author(s)
Takahiro Kawamoto, Koji Fujita, Ikuya Yamada, Tomohiko Matoba, Sung Joo Kim, Peng Gao, Xiaoqing Pan, Scott D. Findlay, Cédric Tassel, Hiroshi Kageyama, Andrew J. Studer, James Hester, Tetsuo Irifune, Hirofumi Akamatsu, and Katsuhisa Tanaka
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Journal Title
Journal of the American Chemical Society
Volume: 136
Issue: 43
Pages: 15291-15299
DOI
Related Report
Peer Reviewed
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[Presentation] Magnetic Functionalities of Iron Oxide-based Thin Films2016
Author(s)
Katsuhisa Tanaka, Koji Fujita
Organizer
9th International Conference on High Temperature Ceramic Matrix Composites & Global Forum on Advanced Materials and Technologies for Sustainable Development
Place of Presentation
Toronto, Canada
Year and Date
2016-06-26
Related Report
Int'l Joint Research / Invited
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[Presentation] Novel LiNbO3-Type ScFeO3 with weak ferromagnetic behavior at room temperature2014
Author(s)
T. Kawamoto, K. Fujita, T. Matoba, K. Tanaka, I. Yamada, S. Kim, P. Gao, X. Pan, H, Etani and T. Irifune
Organizer
13th international ceramics congress
Place of Presentation
Palazzo dei Congressi, Italy
Year and Date
2014-06-12
Related Report
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[Presentation] Noncentrosymmetry induced by oxygen octahedral rotation in layered perovskite NaRETiO4
Author(s)
H. Akamatsu, K. Fujita, T. Kuge, A. Sen Gupta, G. Stone, A. Togo, I Tanaka, V. Gopalan, K. Tanaka
Organizer
Materials Research Society 2013, Fall Meeting
Place of Presentation
Boston, USA
Related Report
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[Presentation] Inversion symmetry breaking by oxygen octahedral rotations in Ruddlesden-Popper phase NaRETiO4
Author(s)
H. Akamatsu, K. Fujita, T. Kuge, A. Sen Gupta, A. Togo, S. Lei, F. Xue, G. Stone, J. M. Rondinelli, L-Q. Chen, I. Tanaka, V. Gopalan, and K. Tanaka
Organizer
2014 WS on the Fundamental Physics of Ferroelectrics and Related Materials
Place of Presentation
Washington DC, USA
Related Report
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