On the coexistence of ferroelectric and antiferroelectric polymorphs in NaNbO fibers at room temperature

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dc.creatorTeixeira, Guilhermina Ferreira
dc.creatorSeleghini, Heitor Secco
dc.creatorBastos, Wagner Benício
dc.creatorJacomaci, Natalia
dc.creatorStojadinović, Bojan
dc.creatorDohčević-Mitrović, Zorana
dc.creatorColmati Junior, Flavio
dc.creatorMiguel Barrera, Miguel Angel San
dc.date.accessioned2024-01-04T13:20:07Z
dc.date.available2024-01-04T13:20:07Z
dc.date.issued2023
dc.description.abstractNa2Nb2O6·H2O fibers were synthesized in a short time using a microwave-assisted hydrothermal method and later used as a precursor for obtaining NaNbO3 fibers with piezoelectric characteristics. The NaNbO3 fibers consist of a mix of antiferroelectric (Pbcm) and ferroelectric (P21ma) orthorhombic phases. The ferroelectric structure comprises about 87% wt of the sample, and a theoretical approach indicated that an electric field could induce an inversion in the relative stability between the most stable antiferroelectric structure and the ferroelectric one. Piezoresponse force microscopy showed that an individual fiber is composed of regions with ferroelectric domains and regions with no ferroelectric characteristics.
dc.identifier.citationTEIXEIRA, Guilhermina Ferreira et al. On the coexistence of ferroelectric and antiferroelectric polymorphs in NaNbO fibers at room temperature. Journal of Materials Chemistry C, London, v. 11, n. 16, p. 5524-5533, 2023. DOI: 10.1039/D2TC04039E. Disponível em: https://pubs.rsc.org/en/content/articlelanding/2023/TC/D2TC04039E. Acesso em: 12 dez. 2023.
dc.identifier.doi10.1039/D2TC04039E
dc.identifier.issne- 2050-7534
dc.identifier.urihttps://pubs.rsc.org/en/content/articlelanding/2023/TC/D2TC04039E
dc.language.isoeng
dc.publisher.countryGra-bretanha
dc.publisher.departmentInstituto de Química - IQ (RMG)
dc.rightsAcesso Restrito
dc.titleOn the coexistence of ferroelectric and antiferroelectric polymorphs in NaNbO fibers at room temperature
dc.typeArtigo

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