Enhanced ferroelectric and magnetic properties of perovskite structured Bi1-x-yGdxLayFe1-yTiyO3 magnetoelectric ceramics
authors Rai, R; Valente, MA; Bdikin, I; Kholkin, AL; Sharma, S
nationality International
journal JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
author keywords Ceramics; X-ray diffraction; Dielectric properties; Electrical properties; Magnetic properties
keywords SOLID-SOLUTIONS; POLYCRYSTALLINE BIFEO3; POLARIZATION; FERRITE; BIMNO3
abstract Dielectric and magnetic properties of the Bi1-x-yGdxLayFe1-yTiyO3 (x=0.1 and y=0.0, 0.1, 0.2, 0.3 and 0.5) solid solution ceramics have been presented this work. Effects of La substitution on the structural, electrical and ferroelectric properties of Bi1-x-yGdxLayFe1-yTiyO3 samples have been studied by performing X-ray diffraction and dielectric measurements as well as characterizing M-H hysteresis loop. The results indicate that, when La content exceeds 0.2, the crystal structure of the ceramic samples changes from rhombohedral to tetragonal phase. The maximum ferroelectric transition temperature (T-c) of this system was 190 degrees C with the dielectric constant peak of 2500 at 100 kHz for y=0.5. With increasing La content, the remanent magnetization increases and the coercive magnetic field decreases. (C) 2013 Elsevier Ltd. All rights reserved.
publisher PERGAMON-ELSEVIER SCIENCE LTD
issn 0022-3697
year published 2013
volume 74
issue 7
beginning page 905
ending page 912
digital object identifier (doi) 10.1016/j.jpcs.2013.01.033
web of science category Chemistry, Multidisciplinary; Physics, Condensed Matter
subject category Chemistry; Physics
unique article identifier WOS:000318329000003
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