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Title: Structural, optical, and magnetic evaluation of Co-, Ni-, and Mn-modified multiferroic BiFeO3 ceramics.
Authors: Sales, Joel Neto Bispo de
Silva, Rafael Tomaz da
Lara, Luciano Roni Silva
Ramos, Sérgio L. L. M.
Soares, Jaqueline dos Santos
Soares, Thiago André Salgueiro
Machado, Giovanna
Manhabosco, Sara Matte
Oliveira, Alan Barros de
Carvalho, Hugo Bonette de
Batista, Ronaldo Junio Campos
Stumpf, Humberto Osório
Manhabosco, Taíse Matte
Keywords: Powders: solid-state reaction
Magnetic properties
Issue Date: 2021
Citation: SALES, J. N. B. et al. Structural, optical, and magnetic evaluation of Co-, Ni-, and Mn-modified multiferroic BiFeO3 ceramics. Ceramics International, v. 47, n. 17, p. 24564-24573, 2021. Disponível em: <>. Acesso em: 06 jul. 2022.
Abstract: Co-, Ni-, and Mn-doped BiFeO3 (BFO) ceramics were synthesized herein through a solid-state reaction. All doped BFO samples exhibit visible-light response, and the Co- and Ni-doped BFO samples present enhanced ferro-magnetic order at room temperature. All doped samples show secondary phases in minor quantities. Optical spectra reveal two absorptions bands, indicating multiple electron transitions for BFO and its secondary phases. M − H hysteresis loops suggest enhanced ferromagnetism in the Co- and Ni-doped BFO samples because of magnetic spinel CFP and NFO phases, respectively, whereas changes in oxygen vacancies and Fe–O–Fe bond angle play minor roles in the ferromagnetic behavior.
ISSN: 0272-8842
Appears in Collections:DEFIS - Artigos publicados em periódicos

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