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On the band structure of CdSb

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Cechoslovackij fiziceskij zurnal B Aims and scope

Abstract

The paper consists of two parts. Throughout the first part only the symmetry properties and the existence of the gap are employed for a study of electron bands in CdSb by means of group theory. A general structure of valence bands is obtained, the possible locations of extrema limiting the gap are discussed, and a criterion for the conservation of the gap after switching off the spin-orbit interaction is deduced.

In the second part a simple version of thel-dependent pseudopotential suitable for crystals with many atoms in the elementary cell is proposed and the corresponding structure of energy levels in theγ point is calculated. The results indicate the starting approximation of free electrons to be reasonable and support the hypothesis that the gap arises even before the spin-orbit effects are accounted for.

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Authors and Affiliations

  1. Institute of Solid State Physics, Czechosl. Acad. Sci., Prague, Cukrovarnická 10, Praha 6

    V. Frei & B. Velický

Authors
  1. V. Frei
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  2. B. Velický
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Frei, V., Velický, B. On the band structure of CdSb. Czech J Phys 15, 43–58 (1965). https://doi.org/10.1007/BF01688355

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  • DOI: https://doi.org/10.1007/BF01688355

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