Polymorphism of silica

A study of the stability relations of pure silica phases is described. It is shown that although cristobalite can be produced from pure quartz by heating it is not possible to produce tridymite in this fashion; a flux or mineralizer is required for tridymite formation and even in this case cristobal...

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Veröffentlicht in:	Journal of materials science 1997-06, Vol.32 (11), p.2929-2935
Hauptverfasser:	STEVENS, S. J, HAND, R. J, SHARP, J. H
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cristobalite Crystalline state (including molecular motions in solids) Crystallographic aspects of phase transformations pressure effects Exact sciences and technology Materials science Physics Polymorphism Silicon dioxide Stability Structure of solids and liquids crystallography Tridymite
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