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Paramagnetic borotungstate glasses with high terbium concentration for magneto-optical applications

hal.structure.identifierUniversidade Estadual Paulista Júlio de Mesquita Filho = São Paulo State University [UNESP]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorALBINO, Leonardo Vieira
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorDUSSAUZE, Marc
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorTOULEMONDE, Olivier
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUTTINE, Mathieu
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJUBERA, Veronique
hal.structure.identifierUniversidade Estadual Paulista Júlio de Mesquita Filho = São Paulo State University [UNESP]
dc.contributor.authorFRANCO, Douglas Faza
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARDINAL, Thierry
hal.structure.identifierUniversidade Estadual Paulista Júlio de Mesquita Filho = São Paulo State University [UNESP]
dc.contributor.authorNALIN, Marcelo
dc.date.issued2024-03-01
dc.identifier.issn0022-3093
dc.description.abstractEnGlass system xTb2O3-40WO3-(60-x)B2O3, with x = 20; 22.5; 25 and 27.5 mol% were prepared by melting-quenching method. The samples were cut, polished and characterized by thermal, structural, optical, luminescent, magnetic and magneto-optical techniques aiming at applications in optical and magneto-optical devices. All terbium-containing samples exhibit magnetic response to neodymium magnets at room temperature. In addition, they feature thermal stability above 100 °C, wide transparency in the visible and near infrared region. Magnetic susceptibility measurements revealed the paramagnetic character of the terbium, with high Curie constants and antiparallel spin alignment. An ascending pattern in the Verdet constant was discerned as the concentration of Tb2O3 increased, culminating in a measurement of -124 rad·T−1·m−1 at 632.8 nm for the sample containing 27.5 mol% Tb2O3. This value closely approximates those observed in terbium-borogermanates glasses and single-crystal TGG, representing an alternative for the development of novel, cost-effective magneto-optical vitreous materials.
dc.language.isoen
dc.publisherElsevier
dc.subject.enBorotungstate glasses
dc.subject.enMagneto-optical glasses
dc.subject.enFaraday rotators
dc.subject.enPhotonic glasses
dc.title.enParamagnetic borotungstate glasses with high terbium concentration for magneto-optical applications
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jnoncrysol.2023.122811
dc.subject.halChimie/Matériaux
dc.description.sponsorshipEuropeCentre for functional and surface-functionalized glasses
bordeaux.journalJournal of Non-Crystalline Solids
bordeaux.page122811
bordeaux.volume627
bordeaux.peerReviewedoui
hal.identifierhal-04432716
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04432716v1
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