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Detection of ferromagnetic resonance in a single-crystalline Fe wire using a rectifying effect

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, , Citation Y Kasatani et al 2011 J. Phys.: Conf. Ser. 266 012013 DOI 10.1088/1742-6596/266/1/012013

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1 Department of Physics, Keio University, Hiyoshi 3-14-1, Yokohama, Kanagawa, 223-8522, Japan

2 PRESTO, JST, Honcho 4-1-8, Kawaguchi, Saitama, 332-0012, Japan

3 JST, CREST, Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan

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1742-6596/266/1/012013

Abstract

The broadband ferromagnetic resonance (FMR) of a single-crystalline Fe microwire was measured using a rectifying effect. The experimental result indicates the uniform mode dominates the system. The effective Gilbert damping factor of the Fe wire was estimated by the rectifying effect. A rectifying spectrum is broadened because of the spin wave excitation and the thermal fluctuation as the input power increases.

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10.1088/1742-6596/266/1/012013