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Microwave synthesis and physical characterization of tin(II) phosphate glasses

hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorHÉMONO, Nicolas
hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorCHENU, Sébastien
hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorLEBULLENGER, Ronan
hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorROCHERULLÉ, Jean
hal.structure.identifierLAboratoire de Recherche en Mécanique Appliquée [LARMAUR]
dc.contributor.authorKÉRYVIN, Vincent
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWATTIAUX, Alain
dc.date.issued2010
dc.identifier.issn0022-2461
dc.description.abstractEnTin phosphate glasses in the SnO-P2O5 binary diagram have been prepared by using a domestic microwave-heating device. Microwaves provide an extremely facile and automatically temperature-controlled route to the synthesis of glasses due to the specific dielectric properties of each chemical composition. Typical melting time is no longer than 10 min, limiting the oxidation of Sn2+ and the melt can be quenched into glass. The glass transition temperature increases with the SnO content confirming the depolymerization of the vitreous network, as expected by the relative fraction of the different Q n structural units deduced from NMR experiments. Concerning the mechanical properties, the Vickers hardness and the fracture toughness decrease while the thermal expansion coefficient and the different elastic moduli remain constants. These results confirm that those characteristics are not very sensible to structural considerations. On the contrary, the chemical durability of Sn2P2O7, determined from the weight loss method, is 300 times higher than that of Sn(PO3)2. Furthermore, Sn2P2O7 is the only glass composition that exhibits a devitrification phenomenon leading to the low-temperature phase of the crystalline tin(II) pyrophosphate.
dc.language.isoen
dc.publisherSpringer Verlag
dc.title.enMicrowave synthesis and physical characterization of tin(II) phosphate glasses
dc.typeArticle de revue
dc.identifier.doi10.1007/s10853-010-4283-0
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Materials Science
bordeaux.page2916-2920
bordeaux.volume45
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00474268
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00474268v1
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