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The Chemistry of the Noncrystalline State

Elliott, Stephen R and Rao, CNR and Thomas, John M (1986) The Chemistry of the Noncrystalline State. In: Angewandte Chemie International Edition in English, 25 (1). pp. 31-46.


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This article sets out to describe and account for the chemical and physical consequences of the presence of gross disorder in solids. Knowledge of the structure of such disordered materials is an obvious prerequisite to a further understanding of other properties and behavior, and our current knowledge of the structure of various noncrystalline systems is discussed together with the experimental techniques which need to be employed in order to obtain such information. The so-called glass transition, which takes place as a liquid is supercooled below the crystallization temperature, is discussed in terms of the various models which have been proposed to account for this phenomenon. The effect of noncrystallinity on electronic properties is also discussed, and we highlight new developments in the understanding of electron localization and transport processes. Finally, two applications of amorphous solids are considered in some detail: optical fibers for use in communication networks and "superionic" glasses for possible use in solid-state batteries.

Item Type: Journal Article
Publication: Angewandte Chemie International Edition in English
Publisher: VCH Verlagsgesellschaft mbH, Germany
Additional Information: The copyright belongs to VCH Verlagsgesellschaft mbH, Germany.
Keywords: noncrystalline state;amorphous materials;disorder;solids;glass transition;glasses;materials science
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 13 Dec 2005
Last Modified: 19 Sep 2010 04:21
URI: http://eprints.iisc.ac.in/id/eprint/4301

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