Apparent polyamorphism and frustration

Polyamorphism in a one-component system implies the coexistence of two macroscopic amorphous condensed phases. An amorphous phase is one in which there is no long-range order, but we envisage here that the observed polyamorphism could in some cases be only `apparent'. Extensive studies of the `...

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Bibliographic Details
Published in:Journal of non-crystalline solids 2002-09, Vol.307, p.630-636
Main Authors: Kivelson, Daniel, Tarjus, Gilles
Format: Article
Language:English
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Summary:Polyamorphism in a one-component system implies the coexistence of two macroscopic amorphous condensed phases. An amorphous phase is one in which there is no long-range order, but we envisage here that the observed polyamorphism could in some cases be only `apparent'. Extensive studies of the `apparent' polyamorphism in triphenyl phosphite suggest that its apparently amorphous solid phase is actually a `poor' crystal which is distinct from the stable crystalline phase, but whose stability is nevertheless governed by collective effects. This is relevant information because it helps distinguish among relevant theoretical approaches.
ISSN:0022-3093
1873-4812
DOI:10.1016/S0022-3093(02)01514-4