Spin-orbit torque-driven current-induced domain wall motion in Gd-Fe magnetic wires

Yuichiro Kurokawa, Masakazu Wakae, Satoshi Sumi, Hiroyuki Awano, Kohei Ohnishi, Hiromi Yuasa

Research output: Contribution to journalArticle

Abstract

We fabricated Gd-Fe/Ta/sub. and W/Gd-Fe/Ta/sub. perpendicular magnetized magnetic wires and investigated current-induced domain wall motion (CIDWM) in them. The propagation field of the Gd-Fe wires is low (∼3 mT), and the wires were found to have a low threshold current density (∼3.1 ×1010 A m-2) of CIDWM. The directions of the CIDWM in Gd-Fe/Ta and W/Gd-Fe/Ta wires are opposite to each other, indicating that the CIDWM in both wires is driven by spin-orbit torque because the spin Hall torque generated by the Ta underlayer and W cap layer oppose each other.

Original languageEnglish
Article number030905
JournalJapanese Journal of Applied Physics
Volume58
Issue number3
DOIs
Publication statusPublished - Mar 1 2019

Fingerprint

Domain walls
Induced currents
domain wall
torque
Orbits
Torque
wire
Wire
orbits
Threshold current density
threshold currents
caps
current density
propagation

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Spin-orbit torque-driven current-induced domain wall motion in Gd-Fe magnetic wires. / Kurokawa, Yuichiro; Wakae, Masakazu; Sumi, Satoshi; Awano, Hiroyuki; Ohnishi, Kohei; Yuasa, Hiromi.

In: Japanese Journal of Applied Physics, Vol. 58, No. 3, 030905, 01.03.2019.

Research output: Contribution to journalArticle

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