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Investigation on vibrational and structural properties of amorphous alloys produced by mechanical alloying by Raman spectroscopy, X-ray diffraction, EXAFS and RMC simulations

✍ Scribed by K.D. Machado; A.S. Dubiel; E. Deflon; I.M. Kostrzepa; S.F. Stolf; D.F. Sanchez; P. Jóvári

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 474 KB
Volume: 150
Category: Article
ISSN: 0038-1098
DOI: 10.1016/j.ssc.2010.04.037

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✦ Synopsis

The local atomic order of amorphous Se 1-x S x alloys, x = 0.20, 0.30, produced by mechanical alloying were studied by Raman scattering, X-ray diffraction, EXAFS and reverse Monte Carlo simulations of their total structure factors and EXAFS oscillations on Se K edge. The results obtained were compared to those found for other Se 1-x S x , x = 0, 0.10 alloys, and the behavior of Raman modes, average coordination numbers and interatomic distances and bond-angle distribution functions as sulphur concentration increases were determined.

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