期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 44, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/44/10/105003
关键词
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资金
- Belgian State-Belgian Science Policy [P6/42]
- EU [NMP-FP7-212257]
- ANR Agency [VOICE PNANO-09-P231-36]
- RFBR [09-02-01423]
- Research Science Foundation of Belgium (FRS-FNRS)
We report on a bottom-up approach for the fabrication of spin-transfer nano-oscillators (STNOs). Porous alumina is used as a template for the growth by electrodeposition of metallic spin valves in series. Under specific magnetic field and injected current conditions, emission of microwave current is detected with frequency in the 1.5 GHz range and linewidth as low as 8 MHz. We find strong indications that the microwave emission is due to spin-transfer-driven vortex oscillations. This technique is promising for the fabrication of dense arrays of STNOs in view of device synchronization.
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