Current-induced spin polarization in strained semiconductors.

  title={Current-induced spin polarization in strained semiconductors.},
  author={Yasuharu Kato and Roberto C Myers and Arthur. C. Gossard and David D. Awschalom},
  journal={Physical review letters},
  volume={93 17},
The polarization of conduction electron spins due to an electrical current is observed in strained nonmagnetic semiconductors using static and time-resolved Faraday rotation. The density, lifetime, and orientation rate of the electrically polarized spins are characterized by a combination of optical and electrical methods. In addition, the dynamics of the current-induced spins are investigated by utilizing electrical pulses generated from a photoconductive switch. These results demonstrate the… CONTINUE READING
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