Ground states of a ternary fcc lattice model with nearest- and next-nearest-neighbor interactions
- 1 January 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 49 (1), 1-7
- https://doi.org/10.1103/physrevb.49.1
Abstract
The possible ground states of a ternary fcc lattice model with nearest- and next-nearest-neighbor pair interactions are investigated by constructing an eight-dimensional configuration polytope and enumerating its vertices. Although a structure could not be constructed for most of the vertices, 31 ternary ground states are found, some of which correspond to structures that have been observed experimentally.Keywords
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