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The Radiation Phase Transitions and the Metamict State of Quartz

Published online by Cambridge University Press:  25 February 2011

O. V. Sayapina  and
V. M. Koshkin
O. V. Sayapina
Affiliation:
Amur Research Institute, Russian Acad. Sci., Blagoveschensk, Russia.
V. M. Koshkin
Affiliation:
Polytechn. Inst., Department of Phys. Chem., Frunze str. 21, 310002, Kharkov, Ukraine.
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Abstract

A model of radiation induced phase transformations in quartz using the old idea of Weissmann and Nakajama is developed. The kinetics of these phase transitions is described taking into account intermediate phase formation. A model of the final radiation induced metamict state of quartz is suggested. The metamict state consists of amorphized matrix SiO2+X, where x ≈0.15 (radioglass), in which pure silicon precipitates are included.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 279: Symposium A – Beam-Solid Interactions–Fundamentals and Applications , 1992 , 359
Copyright
Copyright © Materials Research Society 1993

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