Energy band structure of CdSnAs2 and CdGeAs2 |
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Authors: | Yu. I. Polygalov A. S. Poplavnoi |
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Affiliation: | (1) Kemerovskii State University, USSR |
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Abstract: | The energy band structure of CdSnA2 and CdGeAs22 is calculated by the empirical-pseudopotential method, taking account of spin-orbital interaction. The calculated parameters – Eg = 0.25, cr = 0.05, s.o = 0.44 for CdSnAs2 and Eg = 0.55, cr = 0.20, and s.o = 0.33 for CdGeAs2 (all in eV) — are in good agreement with experiment. The conclusion drawn in a series of experimental works that there are additional minima close to the bottom of the CdSnAs2 conduction band is not confirmed in the calculation.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 78–82, December, 1981. |
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