Microwave-assisted magnetization reversal in a Co/Pd multilayer with perpendicular magnetic anisotropy

Yukio Nozaki, Naoyuki Narita, Terumitsu Tanaka, Kimihide Matsuyama

研究成果: Article査読

80 被引用数 (Scopus)

抄録

Microwave-assisted magnetization reversal in a rectangle of a Co/Pd multilayer with a perpendicular magnetic anisotropy is examined using vector network analyzer ferromagnetic resonance (FMR) spectroscopy. A microwave field is applied along the in-plane direction of the rectangle together with a negative dc easy-axis field smaller than the coercive field. Broadening or splitting of the peak profile in the FMR spectrum suggesting the formation of multidomain structure appears after the microwave field is applied. The dominance of microwave-assisted nucleation of magnetization is supported by the frequency dependence of the probability with which the multidomain structure appears.

本文言語English
論文番号082505
ジャーナルApplied Physics Letters
95
8
DOI
出版ステータスPublished - 2009
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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