期刊
PHYSICAL REVIEW B
卷 83, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.060406
关键词
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资金
- Deutsche Forschungsgemeinschaft
- European Grant Master [NMP-FP7 212257]
- NSF [DMR-0747609, ECCS-1001815, ECCS-0967195]
- Research Corporation
- U.S. Army TARDEC
- RDECOM [W56HZV-09-P-L564, W56HZV-10-P-L687]
We demonstrate that microwave pumping of a spin-torque nano-oscillator can lead to transfer of the spin-wave energy generated by the oscillator into a mode with frequency given by the difference between the pumping frequency and that of the auto-oscillation. The decay length of spin waves at the combination frequency is significantly increased, while the directionality of emission is preserved. The observed phenomenon provides a route for the implementation of nanosized spin-wave emitters with controllable emission characteristics for applications in next-generation microwave electronic devices.
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