Ionic conductivity and mixed-ion effect in mixed alkali metaphosphate glasses

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorTsuchida, Jefferson Esquina-
Autor(es): dc.creatorFerri, Fabio Aparecido-
Autor(es): dc.creatorPizani, Paulo Sergio-
Autor(es): dc.creatorRodrigues, Ana Candida Martins-
Autor(es): dc.creatorKundu, Swarup-
Autor(es): dc.creatorSchneider, José Fabián-
Autor(es): dc.creatorZanotto, Edgar Dutra-
Data de aceite: dc.date.accessioned2026-02-09T11:27:58Z-
Data de disponibilização: dc.date.available2026-02-09T11:27:58Z-
Data de envio: dc.date.issued2018-11-05-
Data de envio: dc.date.issued2018-11-05-
Data de envio: dc.date.issued2017-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/31556-
Fonte completa do material: dc.identifierhttps://pubs.rsc.org/en/content/articlelanding/2017/cp/c6cp07876a#!divAbstract-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1141368-
Descrição: dc.descriptionIn this work, mixed alkali metaphosphate glasses based on K–Na, Rb–Na, Rb–Li, Cs–Na and Cs–Li combinations were studied by differential scanning calorimetry (DSC), complex impedance spectroscopy, and Raman spectroscopy. DSC analyses show that both the glass transition (Tg) and melting temperatures (Tm) exhibit a clear mixed-ion effect. The ionic conductivity shows a strong mixed-ion effect and decreases by more than six orders of magnitude at room temperature for Rb–Na or Cs–Li alkali pairs. This study confirms that the mixed-ion effect may be explained as a natural consequence of random ion mixing because ion transport is favoured between well-matched energy sites and is impeded due to the structural mismatch between neighbouring sites for dissimilar ions.-
Idioma: dc.languageen-
Publicador: dc.publisherRoyal Society of Chemistry-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourcePhysical Chemistry Chemical Physics-
Palavras-chave: dc.subjectDifferential scanning calorimetry-
Palavras-chave: dc.subjectComplex impedance spectroscopy-
Palavras-chave: dc.subjectRaman spectroscopy-
Palavras-chave: dc.subjectCalorimetria de varrimento diferencial-
Palavras-chave: dc.subjectEspectroscopia de impedância complexa-
Palavras-chave: dc.subjectEspectroscopia Raman-
Título: dc.titleIonic conductivity and mixed-ion effect in mixed alkali metaphosphate glasses-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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