Abstract

The three classical models of amorphous solids are: the continuous random network model for covalent glasses (Zachariasen), the random close packing model for metallic glasses (Bernal), and the random coil model for polymeric glasses (Flory). Basic aspects of these models, their relationships, and their dimensionality dependences, are reviewed. The possible relevance of higher-dimensional packings is discussed, and Raman studies are presented of a glass exhibiting conversion from rcp to crn structure.

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