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hal.structure.identifierDepartment of Physics
dc.contributor.authorREDDY, C. N.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGWONDA, V. C. V.
hal.structure.identifierGlass Technology Laboratory
dc.contributor.authorCHAKRADHAR, R. P. S.
dc.date.issued2008
dc.identifier.issn0022-3093
dc.description.abstractEnThis paper describes elastic properties and spectroscopic studies on the xPbO-50B2O3-(50 - x)V2O5 (where x = 20, 25, 30, 35, 40, 45 and 49 mol%) glass system. Elastic moduli and spectroscopic parameters exhibit compositional dependent trends and the existence of characteristic borovanadate groups in these glasses. The bulk modulus and shear modulus increase with the concentration of [BO4/2]- and [B2V2O9]2- groups, which increases the dimensionality of the network. The scheme of modification of borate and vanadate groups has been explained by considering the Sanderson's electronegativity principle. Analysis of infrared(IR) and magic angle spinning-nuclear magnetic resonance (MAS-NMR) spectra suggests the presence of characteristic diborovanadate groups also in these glasses. The results are examined in view of the structural groups formed due to the presence of PbO as a modifier.
dc.language.isoen
dc.publisherElsevier
dc.subject.enAcoustic properties
dc.subject.enBorates
dc.subject.enFTIR measurements
dc.subject.enGlass transition
dc.subject.enNMR
dc.subject.enMAS-NMR
dc.subject.enNQR
dc.title.enElastic properties and structural studies on lead-boro-vanadate glasses
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jnoncrysol.2007.07.011
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Non-Crystalline Solids
bordeaux.page32-40
bordeaux.volume354
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00212121
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00212121v1
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