Calculation of the Electron Spin Relaxation Times in InSb and InAs by the Projection-Reduction Method
Abstract
The electron spin relaxation times in a system of electrons interacting with piezoelectric phonons mediated through spin-orbit interactions were calculated using the formula derived from the projection-reduction method. The results showed that the temperature and magnetic field dependence of the relaxation times in InSb and InAs were similar. The piezoelectric material constants obtained by a comparison with the reported experimental result were Ppe = 4.0 x 1021 eV/m for InSb and Ppe = 6.7 x 1021 eV/m for InAs. The relaxation of the electron spin can be explained by the Elliot-Yafet process at a high field limit.
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