Enhanced dielectric and magnetic properties in multiferroic Bi Y Fe Ni O 0.99 0.01 0.99 0.01 3 ceramic

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dc.creatorBanerjee, Prasun
dc.creatorFranco Júnior, Adolfo
dc.date.accessioned2023-11-09T12:03:21Z
dc.date.available2023-11-09T12:03:21Z
dc.date.issued2016
dc.description.abstractAn enhanced low-frequency dielectric constant, ( ε′ ∼ 104), and ferromagnetic behavior at room temperature were observed in Bi Y Fe Ni O 0.99 0.01 0.99 0.01 3 (BYFNO) ceramic sintered by a modified solid state reaction method. The anti-ferromagnetic (AFM) nature of BiFeO3 (BFO) changed to ferromagnetic (FM) with saturation magnetization, Ms, and coercivity Hc values of ∼0.03 / . . μ f u B and ∼250 Oe, respectively at room temperature. The XRD patterns revealed that the co-doping of + Y3 and + Ni 2 ions at the A− and B− sites of BiFeO3 (BFO) resulted in a rhombohedrally distorted perovskite structure. This result was discussed in terms of the modification of the cycloidal spin structure, presence of + Ni 2 carriers and preservation of oxygen vacancy during the sintering process. This enhanced properties entitle the Bi Y Fe Ni O 0.99 0.01 0.99 0.01 3 one of the few multiferroic materials that exhibits both significant ferromagnetic and dielectric behaviors at room temperature.
dc.identifier.citationBANERJEE, P.; FRANCO JR., A. Enhanced dielectric and magnetic properties in multiferroic. Materials Letters, Amsterdam, v. 184, p. 17-20, 2016. DOI: 10.1016/j.matlet.2016.08.009. Disponível em: https://www.sciencedirect.com/science/article/pii/S0167577X16312885. Acesso em: 4 set. 2023.
dc.identifier.doi10.1016/j.matlet.2016.08.009
dc.identifier.issn0167-577X
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0167577X16312885
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectSolid state reaction
dc.subjectDielectric constant
dc.subjectBismuth oxide
dc.subjectMagnetic properties
dc.titleEnhanced dielectric and magnetic properties in multiferroic Bi Y Fe Ni O 0.99 0.01 0.99 0.01 3 ceramic
dc.typeArtigo

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