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Progressive transformations of silica glass upon densification.
MedLine Citation:
PMID:  23020341     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The elastic and plastic behaviors of silica glasses densified at various maximum pressure reached (12 GPa, 15 GPa, 19 GPa, and 22 GPa), were analyzed using in situ Raman and Brillouin spectroscopies. The elastic anomaly was observed to progressively vanish up to a maximum pressure reached of 12 GPa, beyond which it is completely suppressed. Above the elastic anomaly the mechanical behavior of silica glass, as derived from Brillouin measurements, is interpreted in terms of pressure induced transformation of low density amorphous silica into high density amorphous silica.
Authors:
C Sonneville; A Mermet; B Champagnon; C Martinet; J Margueritat; D de Ligny; T Deschamps; F Balima
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of chemical physics     Volume:  137     ISSN:  1089-7690     ISO Abbreviation:  J Chem Phys     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375360     Medline TA:  J Chem Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  124505     Citation Subset:  IM    
Affiliation:
Laboratoire de Physico Chimie des Matériaux Luminescents, UMR5620, Domaine Scientifique de la Doua, Université de Lyon, Université Lyon 1, Ba^timent Alfred Kastler, 10 rue Ada Byron, 69622 Villeurbanne cedex, France.
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