Nonlinear temperature dependence of switching fields in relief-structured Co/Ni80Fe20 particles

Y. Nozaki, Kimihide Matsuyama, S. Ishii

研究成果: Contribution to journalArticle

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The temperature dependence of the switching properties in low sub-μm scale Co/Ni80Fe20 particles with different aspect ratios and thicknesses were investigated using magnetotransport measurements of relief-structured films with giant magnetoresistance. The switching field of the particles was found to increase with the slope angle θ due to the variation of the end-domain configuration. A nonlinear temperature dependence of the switching field was observed and was explained by thermal nucleation theory of the magnetization reversal at below 150K.

元の言語英語
ページ(範囲)9182-9185
ページ数4
ジャーナルJournal of Applied Physics
93
発行部数11
DOI
出版物ステータス出版済み - 6 1 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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