Micromagnetic simulation on dynamics of spin transfer torque magnetization reversal

K. Ito

研究成果: Article査読

10 被引用数 (Scopus)

抄録

I study the magnetization dynamics induced by spin transfer torque in CoFe/Ru/CoFe/Cu/NiFe nano-pillars using LLG micromagnetic simulations. The required current for spin transfer torque magnetization reversal was investigated with the switching speed and the temperature. The required current in rectangular nanopillars is much larger than that in elliptical nanopillers. The temperature dependence is pretty complicated. The antiparallel to parallel magnetization reversal at 77 K requires a smaller current than at 300 K. The parallel to antiparallel magnetization reversal at 77 K requires a smaller current than at 300 K only when the pulse duration time is very short.

本文言語English
ページ(範囲)2630-2632
ページ数3
ジャーナルIEEE Transactions on Magnetics
41
10
DOI
出版ステータスPublished - 2005 10月
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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