Singh, Vikash and Sharma, Subhash and Kumar, Manoj and Kotnala, R. K. and Dwivedi, R. K. (2014) Structural transition, magnetic and optical properties of Pr and Ti co-doped BiFeO3 ceramics. Journal of Magnetism and Magnetic Materials, 349. pp. 264-267. ISSN 0304-8853

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Abstract

Bi1-xPrxFe1-xTixO3 ceramics with x=0.00, 010 and 0.20 were synthesized by a solid state reaction method. Rietveld fitting of the diffraction data reveals structural transition from rhombohedral phase (R3c) for x <= 0.10 to orthorhombic phase (Pnma) for x=0.20. Room temperature M-H hysteresis measurements reveal that magnetization increases due to the structural distortion and partial destruction of spin cycloid caused by co-doping in BiFeO3 ceramics. FT-IR spectra exhibit broad absorption bands, which may be due to the overlapping of Fe-O and Bi-O vibrations in FeO6 octahedra of these ceramics. UV-visible spectroscopy results show strong absorption of light in the spectral range of 480-640 nm, indicating optical band gap in the visible region for these samples.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/S Elsevier.
Uncontrolled Keywords:	Bismuth ferrite Structuralcharacterization Magnetic material Optical property
Subjects:	Materials Science Physics
Divisions:	UNSPECIFIED
Depositing User:	Dr. Rajpal Walke
Date Deposited:	09 Nov 2015 10:49
Last Modified:	09 Nov 2015 10:49
URI:	http://npl.csircentral.net/id/eprint/1550

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