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Hyper-Raman and Raman scattering in paratellurite TeO2

hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorRODRIGUEZ, Vincent
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorCOUZI, Michel
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorADAMIETZ, Frédéric
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierSchool of Materials Science and Engineering [COMSET]
dc.contributor.authorGUERY, Guillaume
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARDINAL, Thierry
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVEBER, Philippe
hal.structure.identifierSchool of Materials Science and Engineering [COMSET]
dc.contributor.authorRICHARDSON, Kathleen
hal.structure.identifierAxe 3 : organisation structurale multiéchelle des matériaux [SPCTS-AXE3]
dc.contributor.authorTHOMAS, Philippe
dc.date.issued2013
dc.identifier.issn0377-0486
dc.description.abstractEnRaman spectra of the tetragonal D4/4 structure of paratellurite TeO2 have been revisited avoiding anomalous polarization-selection-rules violations previously observed and due to optical activity. We present a complementary hyper-Raman scattering study of paratellurite. Wavenumber and symmetry assignments are given for all expected 21 Raman active optical branches, except one LO component (out of the eight expected TO-LO pairs) of the polar doublet E modes. Also, the four expected hyper-Raman active A2 (TO) modes have been observed. Moreover, we have observed a strong Kleinman-disallowed hyper-Rayleigh signal, which is tentatively assigned as a first evidence of hyper-Rayleigh optical activity.
dc.language.isoen
dc.publisherWiley
dc.subject.enHyper-Raman
dc.subject.enHyper-Rayleigh
dc.subject.enPhonon
dc.subject.enTO-LO modes
dc.subject.enParatellurite
dc.title.enHyper-Raman and Raman scattering in paratellurite TeO2
dc.typeArticle de revue
dc.identifier.doi10.1002/jrs.4251
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Raman Spectroscopy
bordeaux.page739-745
bordeaux.volume44
bordeaux.issue5
bordeaux.peerReviewedoui
hal.identifierhal-00823481
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00823481v1
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