Abstract
Within the framework of the pair approximation the paper discusses how the interaction radius (measured in units of the coordination spheres of the lattice) must be taken into account so that a given superlattice in a lattice could be energetically stable. An original group-theoretical treatment permits this problem to be solved, even if the required number k of coordination spheres is fairly large (e.g., for the β-W structural type on the basis of an auxiliary simple cubic lattice k=14).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 72–77, June, 1985.
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Men', B.A. Contribution to the determination of the energy stability of structural types in crystals. Soviet Physics Journal 28, 501–506 (1985). https://doi.org/10.1007/BF00900380
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DOI: https://doi.org/10.1007/BF00900380