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Title: The phase formation and magnetodielectric property in (1-x)Bi 2Fe4O9-xBaO composites
Authors: Wang, D.H. 
Ong, C.K. 
Issue Date: 2006
Citation: Wang, D.H., Ong, C.K. (2006). The phase formation and magnetodielectric property in (1-x)Bi 2Fe4O9-xBaO composites. Journal of Applied Physics 100 (4) : -. ScholarBank@NUS Repository.
Abstract: The composites with composition (1-x)Bi2Fe4O 9-x:BaO, in which x varied as 0, 0.1, 0.2, and 0.3, were prepared by solid state reaction. X-ray diffraction showed that the content of Bi 2Fe4O9 decreased with increasing content of BaO, while multiferroic BiFeO3 and ferrimagnetic BaFei 2O19 appeared as the major phases in the composites. The magnetic and ferroelectric behaviors were observed in the composites at room temperature. Variation of dielectric constant (ε) with frequency in the range of 1 - 100 kHz was measured. The maximum value of the magnetodielectric effect ([ε(H)-ε(0)]/ε(0)) in the presence of magnetic field at room temperature was found to be 5% in the composites with x=03, while the applied magnetic field was 7 kOe. © 2006 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.2336489
Appears in Collections:Staff Publications

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