Quantitative Study on Current-Induced Effect in an Antiferromagnet Insulator/Pt Bilayer Film.

  title={Quantitative Study on Current-Induced Effect in an Antiferromagnet Insulator/Pt Bilayer Film.},
  author={Pengxiang Zhang and Joseph Finley and Taqiyyah S. Safi and Luqiao Liu},
  journal={Physical review letters},
  volume={123 24},
A quantitative investigation of the current-induced torque in antiferromagnets represents a great challenge due to the lack of an independent method for controlling Néel vectors. By utilizing an antiferromagnetic insulator with the Dzyaloshinskii-Moriya interaction α-Fe_{2}O_{3}, we show that the Néel vector can be controlled with a moderate external field, which is further utilized to calibrate the current-induced magnetic dynamics. We find that the current-induced magnetoresistance change in… 

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