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The electronic energy band structures of SnTe, GeTe, and PbTe are calculated including spin-orbit interactions. The resulting band structures are used to discuss some of the electronic properties of these crystals and to calculate the intervalley deformation potential for electron-phonon scattering in SnTe. The value obtained for the deformation potential is consistent with the value used to explain the superconducting properties of SnTe.
Tung et al. (Tue,) studied this question.