Random Microscopic Model of Quaternary Alloys

J. Konior, J. Łażewski and A. Kisiel Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland

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A random model of microscopic structure of zinc-blende type A1-xBxC1-yDy quaternary alloys, based entirely on the elastic bond-stretching and bond-bending forces of two-element components AC, AD, BC, and BD, was constructed. The model was applied to Cd1-xMnxTe1-ySey quaternary alloys and the calculated nearest-neighbor distances were compared with the experimental data. Additionally, a possibility of particle exchange (within each sublattice) was included into the model and a possibility of studying the preferential coordination was discussed.

DOI: 10.12693/APhysPolA.91.815 PACS numbers: 61.66.Dk, 61.72.Vv