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Effect of preparation conditions on the low frequency Raman spectrum of glassy As2S3

Effect of preparation conditions on the low frequency Raman spectrum of glassy As2S3 Low frequency Raman scattering was measured for glassy As2S3 samples, prepared by different quenched conditions. It was found that the boson peak position shifts to lower energy with increase of the initial temperature of the melt and with increase of quenching rate. The effect is interpreted in terms of the dissociation reaction of As2S3 at high temperature. This leads to softening of the elastic modules and a decrease in the sound velocity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Springer Journals

Effect of preparation conditions on the low frequency Raman spectrum of glassy As2S3

Journal of Materials Science , Volume 33 (1) – Sep 29, 2004

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References (8)

Publisher
Springer Journals
Copyright
Copyright © 1998 by Chapman and Hall
Subject
Materials Science; Materials Science, general; Characterization and Evaluation of Materials; Polymer Sciences; Continuum Mechanics and Mechanics of Materials; Crystallography and Scattering Methods; Classical Mechanics
ISSN
0022-2461
eISSN
1573-4803
DOI
10.1023/A:1004377125553
Publisher site
See Article on Publisher Site

Abstract

Low frequency Raman scattering was measured for glassy As2S3 samples, prepared by different quenched conditions. It was found that the boson peak position shifts to lower energy with increase of the initial temperature of the melt and with increase of quenching rate. The effect is interpreted in terms of the dissociation reaction of As2S3 at high temperature. This leads to softening of the elastic modules and a decrease in the sound velocity.

Journal

Journal of Materials ScienceSpringer Journals

Published: Sep 29, 2004

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