EXAFS of Cd1-xZnxTe: A test of the random distribution in zincblende ternary alloys
- Motta, N.
- Balzarotti, A.
- Letardi, P.
- Kisiel, A.
- Czyzyk, M. T.
- Zimnal-Starnawska, M.
- Podgorny, M.
DOIAbstract
We report EXAFS measurements above the LIII edge of Te in Cd1-x ZnxTe for five compositions x. We find that the distribution of near-neighbours is bimodal, as in other II-VI zincblende ternary alloys. This behaviour is predicted by a model based on a random distribution of cations on a fcc sublattice and a highly distorted fcc sublattice for anions. The distribution of second neighbours is apparently bimodal, but a closer analysis reveals that this distribution is actually multimodal.</p
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