Investigation of Ferroelectricity and Piezoelectricity in Polar and Non-polar Polymers

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorGiacometti, José A.-
Autor(es): dc.creatorOliveira, Osvaldo N.-
Autor(es): dc.creatorFaria, Roberto M.-
Data de aceite: dc.date.accessioned2025-08-21T22:39:35Z-
Data de disponibilização: dc.date.available2025-08-21T22:39:35Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s13538-022-01069-9-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/234252-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/234252-
Descrição: dc.descriptionAn overview is presented of experimental investigations during two decades at the Polymer Group Prof. Bernhard Gross in Sao Carlos, Brazil, on the properties of piezoelectric polymers. The paper is focused on innovations with the introduction of the constant current technique and corona triodes. Together with thermally stimulated depolarization and heat pulse techniques, the methods created in Sao Carlos were applied to characterize dielectric polymers whose piezoelectric and ferroelectric properties depended on polarization or space charge. Results on phase transitions and ferroelectric properties are described for polyvinylidene fluoride (PVDF) and its copolymers, with emphasis on the observation of metastable ferroelectric polarization. The precise characterization of ferroelectric-to-paraelectric phase transitions and the determination of the origin of piezoelectric activity required the combination of different techniques, which could only be done with the developments in instrumentation.-
Descrição: dc.descriptionInstituto de Física de São Carlos Universidade de São Paulo, SP-
Descrição: dc.descriptionFaculdade de Ciências e Tecnologia de Presidente Prudente Universidade Estadual Paulista, SP-
Descrição: dc.descriptionFaculdade de Ciências e Tecnologia de Presidente Prudente Universidade Estadual Paulista, SP-
Idioma: dc.languageen-
Relação: dc.relationBrazilian Journal of Physics-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectConstant current method-
Palavras-chave: dc.subjectFerroelectric transitions-
Palavras-chave: dc.subjectMetastable polarization-
Palavras-chave: dc.subjectPiezoelectric polymers-
Palavras-chave: dc.subjectPolyvinylidene fluoride-
Título: dc.titleInvestigation of Ferroelectricity and Piezoelectricity in Polar and Non-polar Polymers-
Tipo de arquivo: dc.typelivro digital-
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