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In situ study of the crystallization mechanism in LiNbO$_3$-SiO$_2$ glasses

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVIGOUROUX, Hélène
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFARGIN, Evelyne
hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine [CESTA]
dc.contributor.authorLE GARREC, Bruno
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorDUSSAUZE, Marc
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorRODRIGUEZ, Vincent
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorADAMIETZ, Frédéric
hal.structure.identifierLaboratoire de Mécanique, Matériaux et Energétique [Université de Béjaïa] [L2ME]
dc.contributor.authorRAVAUX, Johann
hal.structure.identifierLaboratoire de Mécanique, Matériaux et Energétique [Université de Béjaïa] [L2ME]
dc.contributor.authorPODOR, Renaud
hal.structure.identifierMendeleev University of Chemical Technology of Russia
dc.contributor.authorLOTAREV, Sergei
hal.structure.identifierMendeleev University of Chemical Technology of Russia
dc.contributor.authorSIGAEV, Vladimir
hal.structure.identifierLaboratoire de Physico-Chimie des Matériaux Luminescents [LPCML]
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorVOUAGNER, Dominique
hal.structure.identifierLaboratoire de Physico-Chimie des Matériaux Luminescents [LPCML]
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorDE LIGNY, Dominique
hal.structure.identifierLaboratoire de Physico-Chimie des Matériaux Luminescents [LPCML]
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorCHAMPAGNON, Bernard
dc.date.issued2013
dc.identifier.issn1753-3562
dc.description.abstractEnA crystallization study of lithium niobium silicate glass with the molar composition 35Li$_2$O.25Nb$_2$O$_5$.40SiO$_2$ is reported using in situ techniques (x-ray diffraction, Raman spectroscopy and environmental electron microscopy) at high temperatures. Those techniques reveal that the surface crystallization begins at Tg with c-axis crystallites oriented perpendicular to the surface. Precipitation of nuclei, followed by growth and coalescence processes, induce the formation of particles and spherulites 0*5-4 μm diameter in size. A strong difference between surface and bulk crystallization has been observed with bulk crystallization yielding to 30 μm diameter size spherulites. Those original spherulite shapes could be the origin of the macroscopic bulk second harmonic generation (SHG) signal.
dc.language.isoen
dc.publisherSociety of Glass Technology
dc.subject.enGlass
dc.subject.enCrystallization
dc.subject.enInorganic Compounds
dc.title.enIn situ study of the crystallization mechanism in LiNbO$_3$-SiO$_2$ glasses
dc.typeArticle de revue
dc.subject.halChimie/Matériaux
bordeaux.journalPhysics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B
bordeaux.page84-88
bordeaux.volume54
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00826451
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00826451v1
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