Abstract
Within the framework of a modified Ising model, the effect of the boundary conditions (“free ends” and periodic boundary conditions) on the polytype structure stability is studied in close-packed crystals. Using the ground state diagrams, feasible structures and transformation induced by an external field are identified. An analysis of the model system dimensions and long- and short-range many-body interaction on the shape of the ground state diagrams under different boundary conditions is made. The temperature effects on the polytype structure characteristics are discussed in detail. It is shown that both at the absolute zero and finite temperatures, the effects of the boundary conditions on certain properties could be predominant.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 61–66, November 2004.
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Molchanova, E.A., Potekaev, A.I. & Udodov, V.N. Effect of grain-boundary conditions on polytype transformations in close-packed crystals. Russ Phys J 47, 1161–1166 (2004). https://doi.org/10.1007/s11182-005-0047-8
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DOI: https://doi.org/10.1007/s11182-005-0047-8