Search for giant Rashba effect and understanding the origin of spin current of ferroelectric nanointerfaces by first-principles methods
| Project/Area Number |
25790007
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Nanostructural physics
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| Research Institution | Kanazawa University |
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Principal Investigator |
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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 |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | ラシュバ効果 / 強誘電体 / ナノ界面 / スピン流 / スピン軌道相互作用 / 酸化物 / 表面 / グラフェン / 界面 / スピンエレクトロニクス / 電子状態 / バンド構造 / 二次元電子ガス / 電気分極 |
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| Outline of Final Research Achievements |
At the surface of the materials and at the interface of different materials, they show properties different from ordinary bulk materials, the electronic state which can be used for spintronics applications. In this study, we have investigated the electronic state at the surface and interface of oxides material which abundantly present on Earth and the interface of graphene and oxide. As a result, we found that an effective magnetic field is generated by the internal electric field characterized by electric polarization at the interface between oxide and other substances. This property is expected to be applied not only for spin electronics but also for thermoelectric effect that converts thermal energy into electric energy.
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Report
(5 results)
Research Products
(85 results)
