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Structure and Dynamics of Network Glasses at Large Positive and Negative Pressures - a Molecular Dynamics Study

Published online by Cambridge University Press:  25 February 2011

Priya Vashishta  and
Rajiv K. Kalia
Priya Vashishta
Affiliation:
Concurrent Computing Laboratory for Materials Simulations, Department of Physics & Astronomy and Department of Computer Science Louisiana State University, Baton Rouge, LA 70803-4001
Rajiv K. Kalia
Affiliation:
Concurrent Computing Laboratory for Materials Simulations, Department of Physics & Astronomy and Department of Computer Science Louisiana State University, Baton Rouge, LA 70803-4001
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Abstract

Using the molecular dynamics (MD) method, the nature of crystalline fragments in SiSe2 glass (a-SiSe2) at normal pressure, structural transformation and the loss of intermediate range order in SiO2 glass at very large positive pressures, and the modification of SiO2 glass network at very large negative pressures have been investigated. Implementations of the MD algorithm on the Connection Machine and Intel iPSC/860 machine are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 293: Symposium U – Solid State Ionics III , 1992 , 225
Copyright
Copyright © Materials Research Society 1993

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