Nature Communications (Feb 2016)

Enhanced spin–orbit torques by oxygen incorporation in tungsten films

  • Kai-Uwe Demasius,
  • Timothy Phung,
  • Weifeng Zhang,
  • Brian P. Hughes,
  • See-Hun Yang,
  • Andrew Kellock,
  • Wei Han,
  • Aakash Pushp,
  • Stuart S. P. Parkin

DOI
https://doi.org/10.1038/ncomms10644
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 7

Abstract

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When interfaced with a current-carrying heavy metal, spin orbit effects can generate a torque on the magnetization of a ferromagnet, understood as a bulk effect. Here, the authors show evidence of an interfacial contribution to such spin orbit torque in O-doped W/CoFeB thin film systems.