Dependence of magnetoelectric properties on the magnetostrictive content in 0–3 composites

The magnetoelectric response in composites of barium titanate (BTO) and cobalt ferrite (CFO) has been determined by measuring the magnetoelectric susceptibility coefficient. This was done by two different methods: magnetocapacitance measurements and magnetoelectric voltage measurement using a lock-i...

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Bibliographic Details
Published in:Ceramics international 2013-05, Vol.39, p.S213-S216
Main Authors: Rafique, Mohsin, Hassan, Syed Qamar ul, Awan, M.S., Manzoor, Sadia
Format: Article
Language:English
Subjects:
A. Sol–gel processes
B. Composites
Barium titanates
C. Piezoelectric properties
Ceramics
Density
Electrical measurements
Magnetic properties
Magnetostriction
Piezoelectricity
Sol gel process
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Summary:The magnetoelectric response in composites of barium titanate (BTO) and cobalt ferrite (CFO) has been determined by measuring the magnetoelectric susceptibility coefficient. This was done by two different methods: magnetocapacitance measurements and magnetoelectric voltage measurement using a lock-in technique. These composites were prepared by the sol–gel method. Four different compositions with different molar ratios of the magnetostrictive phase (CFO) embedded in a piezoelectric matrix of BTO were studied to investigate the effect of the magnetostrictive content and the number density of interfaces on the magnetoelectric response. It was found from both techniques that the magnetoelectric coupling effect increases with the increase of applied field and it had a non-linear dependence on the percentage of magnetostrictive content in the composites.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2012.10.064