Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/xmlui/handle/123456789/18704
Title: Giant dielectric response and magnetoelectric behavior of 95BiFeO(3)-5BaTiO(3) (95BFO-5BT) ceramics
Authors: RAUT, RR
SALAME, PH
KOLTE, JT
ULHE, CS
GOPALAN, P
Keywords: Magnetic-Properties
Batio3-Based Ceramics
Bismuth Ferrite
Solid-Solutions
Bifeo3
Constant
Issue Date: 2016
Publisher: SPRINGER
Citation: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,27(1)730-737
Abstract: A detailed study of electrical behavior of 95BiFeO(3)-5BaTiO(3) (95BFO-5BT) ceramics through comprehensive analysis of temperature and frequency dependent dielectric behavior, ac impedance and magnetodielectric (MD) properties is reported here. Addition of insulating BaTiO3 into BiFeO3 have exhibited enhanced dielectric and ferromagnetic responses. The remnant polarization (P-r) was found to be 6 A mu C/cm(2), while the dielectric constant was found to be very high ( a parts per thousand yen 10(2), for T a parts per thousand yen 140 A degrees C). Along with strong conductivity contribution to , spectroscopic plots of revealed the Maxwell-Wagner type relaxation in the sample, which ultimately could have led to an apparent high in 95BFO-5BT ceramics. Origin of such a high in BFO-BT was further investigated using impedance spectroscopy. MD studies revealed the magneto-electric coupling in the ceramics. The MD studies along with anomaly in dielectric data near antiferromagnetic ordering temperature (T-N = 170 A degrees C) of BFO suggests the magnetic bearing on the electrical properties of 95BFO-5BT ceramics.
URI: http://dx.doi.org/10.1007/s10854-015-3810-9
http://localhost:8080/xmlui/handle/123456789/18704
ISSN: 0957-4522
1573-482X
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