Spin current induced spin wave modulation and control of magnetic order
| Project/Area Number |
26289229
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Physical properties of metals/Metal-base materials
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
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| Keywords | スピン流 / 磁気秩序 / スピン波 / FeRh / 磁性 / スピンエレクトロニクス |
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| Outline of Final Research Achievements |
Effects of spin current on the magnetic order in high-quality B2 ordered FeRh alloy thin films and the spin wave transmission have been investigated. Injection of a spin-polarized current into FeRh across the Co/FeRh interface is shown to induce the antiferromagnetic-ferromagnetic phase transition of FeRh. Also, the long range transmission of spin waves over a distance of 27μm is demonstrated in ferromagnetic FeRh thin films and the damping constant of spin precession is found to be smaller than that of Permalloy.
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Report
(4 results)
Research Products
(35 results)
