Experimental studies on orbital selective Mott transition and orbital liquid
| Project/Area Number |
22684018
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Condensed matter physics II
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| Research Institution | Nagoya University |
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Principal Investigator |
SHIMIZU Yasuhiro 名古屋大学, 大学院・理学研究科, 物質理学専攻 (00415184)
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| Co-Investigator(Renkei-kenkyūsha) |
井上 晶次 名古屋大学, 理学研究科, 技官(実験装置の設計担当)
武田 晃 名古屋大学, 理学研究科, DC(NMR 測定)
神野 貴昭 名古屋大学, 理学研究科, MC(試料合成、NMR 測定)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥23,530,000 (Direct Cost: ¥18,100,000、Indirect Cost: ¥5,430,000)
Fiscal Year 2012: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2010: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
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| Keywords | 強相関電子系 / 核磁気共鳴 / 遷移金属酸化物 / 軌道秩序 / モット転移 / フラストレーション / 金属絶縁体転移 |
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| Research Abstract |
We have investigated nuclear magnetic resonance, NMR, capable to detect electron orbital motion in atomic resolution. Although conventional NMR technique has been limited in measurements of nonmagnetic insulators and metals, we have succeeded to probe directly electron orbitals using magnetic transition metal nuclear sites for magnetic materials. Our microscopic observations of orbital- and site-selective metal-insulator transitions in vanadates provide important progress for understanding strongly-correlated electron physics.
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Report
(4 results)
Research Products
(114 results)
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[Journal Article] Formation of a three-dimensional network of V trimers in A_2V_13O_22 (A =Ba, Sr)2010
Author(s)
J. Miyazaki, K. Matsudaira, Y. Shimizu, M. Itoh, Y. Nagamine, S. Mori, J. Kim, K. Kato, M. Takata, T. Katsufuji
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Journal Title
Physical Review Letters
Volume: 104
Related Report
Peer Reviewed
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[Journal Article] Formation of a three-dimensional network of V trimers in A_2V_<13>O_<22> (A=Bo,Sr)2010
Author(s)
J.Miyazaki, K.Matsudaira, Y.Shimizu, M.Itoh, Y.Nagamine, S.Mori, J.E.Kim, K.Kato, M.Takata, T.Katsufuji
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Journal Title
Physical Review Letters
Volume: 104
Related Report
Peer Reviewed
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