Spin current study of spin glass AgMn using spin pumping effect

R. Iguchi; K. Ando; E. Saitoh; T. Sato

doi:10.1088/1742-6596/266/1/012089

Spin current study of spin glass AgMn using spin pumping effect

R. Iguchi, K. Ando, E. Saitoh, T. Sato

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The role of spin glass as a spin current absorber was investigated by spin pumping effect in Ni₈₁Fe₁₉/Cu/spin glass Ag ₉₀Mn₁₀ trilayer structure. The spin current was pumped to the spin glass layer via the Cu layer by means of the ferromagnetic resonance of the Ni₈₁Fe₁₉ layer. The damping constant of the ferromagnetic layer reflecting the intensity of the spin current absorption was evaluated by fitting the spectra with Lorentzian. At low temperatures, the spin current absorption in the spin glass layer arises sharply.

Original language	English
Article number	012089
Journal	Journal of Physics: Conference Series
Volume	266
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/266/1/012089
Publication status	Published - 2011 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The role of spin glass as a spin current absorber was investigated by spin pumping effect in Ni81Fe19/Cu/spin glass Ag 90Mn10 trilayer structure. The spin current was pumped to the spin glass layer via the Cu layer by means of the ferromagnetic resonance of the Ni81Fe19 layer. The damping constant of the ferromagnetic layer reflecting the intensity of the spin current absorption was evaluated by fitting the spectra with Lorentzian. At low temperatures, the spin current absorption in the spin glass layer arises sharply.",

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AB - The role of spin glass as a spin current absorber was investigated by spin pumping effect in Ni81Fe19/Cu/spin glass Ag 90Mn10 trilayer structure. The spin current was pumped to the spin glass layer via the Cu layer by means of the ferromagnetic resonance of the Ni81Fe19 layer. The damping constant of the ferromagnetic layer reflecting the intensity of the spin current absorption was evaluated by fitting the spectra with Lorentzian. At low temperatures, the spin current absorption in the spin glass layer arises sharply.

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