Structural transitions in silica glass: thermo-mechanical anomalies and polyamorphism

Using molecular dynamics computer simulations, we have studied the nature of structural transitions in crystalline and amorphous silica. Atomic interactions were modeled using a charge-transfer three-body potential that was developed to describe the charge redistribution upon breaking and forming of...

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Bibliographic Details
Published in:	Journal of non-crystalline solids Vol. 349; no. Complete; pp. 1 - 9
Main Authors:	Huang, Liping, Duffrène, L., Kieffer, John
Format:	Journal Article Conference Proceeding
Language:	English
Published:	Amsterdam Elsevier B.V 01-12-2004 Elsevier
Subjects:	Exact sciences and technology Physics M340 62.50.+p 02.70.Ns 61.43.Fs P289 64.70.−p Polyamorphism Crystalline phase Beta phase Inorganic compounds Phase transformations Molecular dynamics method Glass Interatomic interaction Amorphous state Density Heat treatments Covalent bonds Irreversible processes Glass transition Silicon oxides Anomaly Charge transfer Ionic bonds
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