In-plane current-induced magnetization switching in CoGa/MnGa/MgO films

Masahiro Takikawa, Kazuya Z. Suzuki, Reza Ranjbar, Shigemi Mizukami

研究成果: Article査読

11 被引用数 (Scopus)

抄録

In-plane current-induced magnetization switching was investigated in a micron-sized Hall bar for the paramagnetic CoGa-buffered and MgO-capped 2-nm-thick ferrimagnetic L10 MnGa layer with perpendicular magnetic anisotropy. Current-induced switching was clearly observed when the in-plane longitudinal magnetic field applied was sufficiently large and at an injection current density of 1011 A/m2. The in-plane field direction and CoGa thickness dependence indicate that the deterministic bipolar switching primarily originates from a damping-like spin-orbit torque (SOT) arising from the spin-Hall effect in CoGa with a positive spin-Hall angle. The current pulse response suggested that the SOT switching was thermally assisted by Joule heating.

本文言語English
論文番号073004
ジャーナルApplied Physics Express
10
7
DOI
出版ステータスPublished - 2017 7月

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

フィンガープリント

「In-plane current-induced magnetization switching in CoGa/MnGa/MgO films」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル