Micromagnetic simulation of spin-transfer switching in a full-Heusler Co2FeAl0.5Si0.5 alloy spin-valve nanopillar

H. B. Huang, X. Q. Ma, Z. H. Liu, F. Y. Meng, Z. H. Xiao, P. P. Wu, San-Qiang Shi, L. Q. Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

26 Citations (Scopus)

Abstract

We investigated the spin-transfer switching in a full-Heusler Co2FeAl0.5Si0.5alloy spin-valve nanopillar through micromagnetic simulation. A two-step switching hysteresis loop due to the fourfold in-plane magnetocrystalline anisotropy of Co2FeAl0.5Si0.5layers was obtained. The simulation explains the experimental result of the resistance versus current hysteresis loop and yields good agreement with the measured critical current. Furthermore, the magnetization trajectory and magnetization distribution were shown and analyzed to elucidate the different characters of two-step switching.
Original languageEnglish
Article number033913
JournalJournal of Applied Physics
Volume110
Issue number3
DOIs
Publication statusPublished - 1 Aug 2011

ASJC Scopus subject areas

  • General Physics and Astronomy

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