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Special quasirandom structures

Zunger, Alex, Wei, S.-H., Ferreira, L. G., Bernard, James E.·1990·Physical Review Letters

Abstract

Structural models used in calculations of properties of substitutionally random ${\mathit{A}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathit{B}}_{\mathit{x}}$ alloys are usually constructed by randomly occupying each of the N sites of a periodic cell by A or B. We show that it is possible to design ``special quasirandom structures'' (SQS's) that mimic for small N (even N=8) the first few, physically most relevant radial correlation functions of a perfectly random structure far better than the standard technique does. We demonstrate the usefulness of these SQS's by calculating optical and thermodynamic properties of a number of semiconductor alloys in the local-density formalism.

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Metadata

Authors
Zunger, A., Wei, S.-H., Ferreira, L. G., & Bernard, J. E.
Venue
Physical Review Letters
Published
1990-07-16
Volume
65
Issue
3
Pages
353-356
ISSN
0031-9007 (ISSN-L)
OpenAlex
W1980370048
Cited by
3,935
References
0
FWCI
28.61
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Special quasirandom structures. https://app.cochat.ai/papers/10.1103/physrevlett.65.353
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Zunger, A., Wei, S.-H., Ferreira, L. G., & Bernard, J. E. (1990). Special quasirandom structures. Physical Review Letters. https://doi.org/10.1103/physrevlett.65.353

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