Abstract
It is shown that the spin orientation of free electrons occurs in low-symmetry semiconductor structures if the electron gas is driven out of thermal equilibrium with the crystal lattice. The proposed mechanism of such a thermal orientation of electron spins is based on spin dependence of the electron-phonon interaction, which tends to restore equilibrium. The microscopic theory of the effect is developed here for asymmetric (110)-grown quantum wells where the electron gas heating leads to the spin orientation along the [\( 1\bar 10 \)] axis in the quantum well plane.
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