| Vitreous silica distends in helium gas: acoustic versus static compressibilities. | |
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MedLine Citation:
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PMID: 23368344 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Sound velocities of vitreous silica are measured under He compression in the pressure range of 0-6 GPa by Brillouin light scattering. It is found that the well-known anomalous maximum in the pressure dependence of the compressibility is suppressed by He incorporation into the silica network. This shows that the elastic anomaly relates to the collapse of the largest interstitial voids in the structure. The huge difference between the static and the acoustic compressibilities indicates that the amount of incorporated helium still increases at 6 GPa. |
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Authors:
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Coralie Weigel; Alain Polian; Mathieu Kint; Benoit Rufflé; Marie Foret; René Vacher |
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Publication Detail:
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Type: Journal Article Date: 2012-12-12 |
Journal Detail:
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Title: Physical review letters Volume: 109 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2013-02-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 245504 Citation Subset: IM |
Affiliation:
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Université Montpellier 2, Laboratoire Charles Coulomb UMR 5221, F-34095 Montpellier, France and CNRS, Laboratoire Charles Coulomb UMR 5221, F-34095 Montpellier, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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