Chemical ordering in Ge20Se80-XInX glasses

Rabinal, M. K. ; Sangunni, K. S. ; Gopal, E. S. R. (1995) Chemical ordering in Ge20Se80-XInX glasses Journal of Non-Crystalline Solids, 188 (1-2). pp. 98-106. ISSN 0022-3093

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Bulk glasses of Ge-Se-In have been prepared by quenching the melt and have been subjected to thermal crystallization and X-ray structure analysis of devitrified materials. These glasses show a transformation from a single-stage to a double-stage crystallization with respect to composition. The present investigations indicate that these materials are structurally inhomogeneous at a molecular level, in which In2Se3 microclusters are dispersed in the Ge-Se matrix. These results are discussed using the chemical threshold in glasses.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:71151
Deposited On:25 Nov 2011 13:04
Last Modified:25 Nov 2011 13:04

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