Creation and properties evaluation of multiferroic oxide thin films by the crystal structure distortion control
Project/Area Number |
19360297
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Inorganic materials/Physical properties
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Research Institution | Nagoya University |
Principal Investigator |
SAKAMOTO Wataru Nagoya University, エコトピア科学研究所, 准教授 (50273264)
|
Co-Investigator(Kenkyū-buntansha) |
YOGO Toshinobu 名古屋大学, エコトピア科学研究所, 教授 (00135310)
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Project Period (FY) |
2007 – 2008
|
Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥20,800,000 (Direct Cost: ¥16,000,000、Indirect Cost: ¥4,800,000)
Fiscal Year 2008: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2007: ¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
|
Keywords | マルチフェロイック / ペロブスカイト構造 / 薄膜 / 化学溶液プロセス / 強誘電性 / 強磁性 / リーク電流特性 / モルフォトロピック相境界 / アクセプタ元素 / 固溶体系 / 絶縁性 |
Research Abstract |
巨大物性発現の可能性を有する多機能融合材料の薄膜を環境に優しい溶液を用いる化学的方法により作製した。その結果、ペロブスカイト結晶構造の格子歪み状態を精密な化学組成制御により最適化することで、これまで非常に困難とされてきた強誘電性と強磁性という異なる性質を同時に室温域で発現する薄膜の作製に成功した。また、望む機能を発現させるために重要な構成元素の状態解析も行い、望む物性を得るためのメカニズムの解明も行った。
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Report
(3 results)
Research Products
(36 results)
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[Journal Article] Electronic Structure of Multiferroic BiFeO_3 by Resonant Soft X-ray Emission Spectroscopy2008
Author(s)
Tohru Higuchi, Yi-Sheng Liu, Peng Yao, Per-Anders Glans, Jinghua Guo, Chinglin Chang, Ziyu Wu, Wataru Sakamoto, Naoyuki Itoh, Tetsuo Shimura, Toshinobu Yogo, and Takeshi Hattori
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Journal Title
Related Report
Peer Reviewed
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[Journal Article] Electronic Structure of Multiferroic BiFeO_3 by Resonant Soft X-ray Emission Spectroscopy2008
Author(s)
Tohru Higuchi, Yi-Sheng Liu, Peng Yao, Per-Anders Glans, Jinghua Guo, Chinglin Chang, Ziyu Wu, Wataru Sakamoto, Naoyuki Itoh, Tetsuo Shimura, Toshinobu Yogo, Takeshi Hattori
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Journal Title
Related Report
Peer Reviewed
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[Journal Article] Effect of Mn Substitution for Multiferroic BiFeO_3 Probed by High-Resolution Soft-X-ray Spectroscopy2008
Author(s)
Tohru Higuchi, Takeshi Hattori, Wataru Sakamoto, Naoyuki Itoh, Tetsuo Shimura, Toshinobu Yogo, Peng Yao, Yi-Sheng Liu, Per-Anders Glans, Chinglin Chang, Ziyu Wu, Jinghua Guo
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Journal Title
Japanese Journal of Applied Physics 47
Pages: 7570-7573
Related Report
Peer Reviewed
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