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Abstract: Experimental results of rectification of a constant wave radio frequency RFcurrent flowing in a single-layered ferromagnetic wire are presented. We showthat a detailed external magnetic field dependence of the RF current induced adirect-current voltage spectrum. The mechanism of the rectification isdiscussed in a term of the spin transfer torque, and the rectification isclosely related to resonant spin wave excitation with the assistant of thespin-polarized RF current. The micromagnetic simulation taking into account thespin transfer torque provides strong evidence which supports the generation ofspin wave excitation by the RF current.



Autor: A.Yamaguchi, K. Motoi, H. Miyajima, Y. Nakatani

Fuente: https://arxiv.org/







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