Thermally Assisted Current-Induced Domain Wall Motion in Tb/Co Magnetic Multilayered Wire with a High Domain Wall Propagation Field

Yuichiro Kurokawa, Do Bang, Hiroyuki Awano

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

We investigated the current-induced domain wall (DW) motion in Tb/Co multilayered wire with various substrate temperatures (Ts). The coercivity and DW propagation field of the Tb/Co multilayered film are 10 and 8 kOe, respectively. In the Tb/Co wire, the DW velocity is 2.4 m/s for a current density of 4.5 × 1011 Am2 at room temperature. At Ts = 343 K, we also found that the DW velocity is about two times higher than that at room temperature. The enhancement of DW velocity can be attributed to thermally activated creep DW motion and/or the reduction of the depinning current density.

本文言語英語
論文番号7866893
ジャーナルIEEE Transactions on Magnetics
53
7
DOI
出版ステータス出版済み - 7 2017
外部発表はい

All Science Journal Classification (ASJC) codes

  • 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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