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IJEMS Vol.15(2) [April 2008] >


Title: Effect of La/Mn substitution on electrical properties of BiFeO₃ multiferroics
Authors: Pradhan, Dillip K
Choudhary, R N P
Tirado, C M
Katiyar, R S
Keywords: Multiferroics
X-ray diffraction
Complex impedance spectroscopy
Issue Date: Apr-2008
Publisher: CSIR
Abstract: The polycrystalline fine powder (~60 nm) of Bi₀․₉₀La₀․₁₀ (Fe₁₋xMnx)O₃ (x= 0, 0.05, 0.10 and 0.20) have been synthesized by mechanical activation and mixed oxide methods. Preliminary structural analysis using X-ray diffraction exhibits formation of the single-phase compound in a hexagonal (distorted perovskites system). Detailed dielectric studies as a function of temperature show that dielectric constant of BFO (BiFeO₃), and also tanδ increase significantly on increasing Mn content in BiLa(FeMn)O₃ system. Impedance analysis of the system provides many interesting results.
Page(s): 87-90
ISSN: 0971-4588
Source:IJEMS Vol.15(2) [April 2008]

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