Chiral spin torque arising from proximity-induced magnetization.

  title={Chiral spin torque arising from proximity-induced magnetization.},
  author={Kwang-Su Ryu and See-Hun Yang and Luc Thomas and Stuart S. P. Parkin},
  journal={Nature communications},
Domain walls can be driven by current at very high speeds in nanowires formed from ultra-thin, perpendicularly magnetized cobalt layers and cobalt/nickel multilayers deposited on platinum underlayers due to a chiral spin torque. An important feature of this torque is a magnetic chiral exchange field that each domain wall senses and that can be measured by the applied magnetic field amplitude along the nanowire where the domain walls stop moving irrespective of the magnitude of the current. Here… CONTINUE READING