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Infrared spin orientation and spin-galvanic effect in semiconductor heterostructures

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2 Author(s)
Ganichev, S.D. ; Regensburg Univ., Germany ; Prettl, W.

It is shown that a homogeneous spin-polarized electron gas in semiconductor heterostructures can drive an electric current. Here we report on this spin-galvanic effect where the spin polarization has been achieved by optical orientation applying circularly polarized far-infrared laser radiation. The microscopic origin-of the effect is an inherent asymmetry of spin-flip scattering.

Published in:

Infrared and Millimeter Waves, 2002. Conference Digest. Twenty Seventh International Conference on

Date of Conference:

26-26 Sept. 2002