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dc.contributor.authorBalzaretti, Naira Mariapt_BR
dc.contributor.authorDenis, J.P.pt_BR
dc.contributor.authorJornada, Joao Alziro Herz dapt_BR
dc.date.accessioned2014-05-17T02:06:47Zpt_BR
dc.date.issued1993pt_BR
dc.identifier.issn0021-8979pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/95348pt_BR
dc.description.abstractIn this article we present the experimental results for the pressure variation of the refractive index of sapphire up to 16 GPa, obtained with an interferometric method, using the diamond anvil cell. In the range of hydrostatic pressures, up to about 12 GPa, the analysis of the results with the classic Lorentz-Lorenz approach provides a nearly linear relation between polarizability (cr) and volume, corresponding to a constant strain polarizability parameter. For pressures above 12 GPa, there is a substantial nonlinear deviation, associated with nonhydrostatic effects inside the diamond anvil cell.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofJournal of Applied Physics. Woodbury. Vol. 73, n. 3 (Feb. 1993), p. 1426-1429pt_BR
dc.rightsOpen Accessen
dc.subjectFísica da matéria condensadapt_BR
dc.subjectFisica de altas pressoespt_BR
dc.titleVariation of the refractive index and polarizability of sapphire under high pressurespt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000056183pt_BR
dc.type.originEstrangeiropt_BR


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