2016 Fiscal Year Final Research Report
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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| Keywords | スピン流 / 磁気秩序 / スピン波 / FeRh |
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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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| Free Research Field |
ナノ磁性
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