Macroscopic Characteristics of Chalcogenide Glasses13;

Giridhar, A and Mahadevan, Sudha (2000) Macroscopic Characteristics of Chalcogenide Glasses13;. Technical Report. National Aerospace Laboratories, Bangalore,India.

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Abstract

A brief introduction on the technological importance of chalcogenide glasses is followed by a13; discussion of the models such as the Random Covalent Network Model, the Chemically Ordered13; Network Model and the Topological models, which are adopted to understand the atomic13; arrangement in network glasses . The merits and drawbacks of these models have been pointed out13; by considering the property-composition dependencies of several chalcogenide glass systems . The13; importance of considering the effects of chemical ordering and also of network topology in13; accounting for the features observed in the property-composition data of several systems has13; been demonstrated, thereby establishing the coexistence of these two effects in chalcogenide13; glasses. This idea has been applied to separate out the contributions from chemical ordering and13; network topology, to a fundamental structure sensitive property, namely, the Mean Atomic13; Volume . Several aspects of the macroscopic characterisation and the effects of metallic additives13; to chalcogenide glasses are also discussed .

Item Type:	Monograph (Technical Report)
Uncontrolled Keywords:	Chalcogenide glasses;Macroscopic characteristics; Topological models;13; Chemically ordered models;Coexistence of topological and chemical effects
Subjects:	CHEMISTRY AND MATERIALS > Metals and Metallic Materials
Depositing User:	Mrs Manoranjitha M D
Date Deposited:	21 Apr 2006
Last Modified:	24 May 2010 04:10
URI:	http://nal-ir.nal.res.in/id/eprint/1224

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