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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/3041
Title: Magnetoelectric Effect in Ceramics Based on Bismuth Ferrite
Authors: Jartych, Elżbieta
Pikula, Tomasz
Dzik, Jolanta
Guzdek, Piotr
Czekaj, Dionizy
Kowal, Karol
Keywords: Aurivillius compounds; Bismuth ferrite; Ceramic materials; Magnetoelectric effect; Multiferroics
Issue Date: 2016
Citation: Nanoscale Research Letters, 2016, no. 1, s. 1-8
Abstract: Solid-state sintering method was used to prepare ceramic materials based on bismuth ferrite, i.e., (BiFeO3)1 − x–(BaTiO3)x and Bi1 − xNdxFeO3 solid solutions and the Aurivillius Bi5Ti3FeO15 compound. The structure of the materials was examined using X-ray diffraction, and the Rietveld method was applied to phase analysis and structure refinement. Magnetoelectric coupling was registered in all the materials using dynamic lock-in technique. The highest value of magnetoelectric coupling coefficient αME was obtained for the Bi5Ti3FeO15 compound (αME ~ 10 mVcm−1 Oe−1). In the case of (BiFeO3)1 − x–(BaTiO3)x and Bi1 − xNdxFeO3 solid solutions, the maximum αME is of the order of 1 and 2.7 mVcm−1 Oe−1, respectively. The magnitude of magnetoelectric coupling is accompanied with structural transformation in the studied solid solutions. The relatively high magnetoelectric effect in the Aurivillius Bi5Ti3FeO15 compound is surprising, especially since the material is paramagnetic at room temperature. When the materials were subjected to a preliminary electrical poling, the magnitude of the magnetoelectric coupling increased 2–3 times.
URI: http://hdl.handle.net/20.500.12128/3041
DOI: 10.1186/s11671-016-1436-3
ISSN: 1931-7573
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