Influence of capping layer on the current-induced magnetization switching in magnetic nanopillars

T. Yang, A. Hirohata, Takashi Kimura, Y. Otani

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Taking into account the thermal effect, we verify that the strong spin relaxation in the capping layer of a magnetic nanopillar significantly affects the current-induced magnetization switching behavior by reducing the critical switching current density. Theoretical calculations reveal that increasing the spin relaxation in the capping layer enhances the spin-polarized current while suppresses the contribution of the spin accumulation to the magnetization switching. The results suggest that the spin-polarized current, rather than the spin accumulation, dominates the current-induced magnetization switching.

Original languageEnglish
Article number073708
JournalJournal of Applied Physics
Volume99
Issue number7
DOIs
Publication statusPublished - Apr 1 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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