Sharma, Subhash and Singh, Vikash and Kotnala, R. K. and Ranjan, Rajeev and Dwivedi, R. K. (2014) Co-existence of tetragonal and monoclinic phases and multiferroic properties for x <= 0.30 in the (1-x)Pb(Zr0.52Ti0.48)O-3-(x)BiFeO3 system. Journal of Alloys and Compounds, 614. 165 -172. ISSN 0925-8388

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Compositions with x <= 0.30 in the system (1- x)Pb(Zro(0.52)Ti(0.48))O-3-(x)BiFeO3 were synthesized by sol-gel method. Rietveld analysis of X-ray diffraction data reveals tetragonal structure (P4mm) for x <= 0.05 and monoclinic (Cm) phase along with the existence of tetragonal phase for 0.10 <= x <= 0.25 and monoclinic phase for x = 0.30. Transformation of E(2TO) and E + B1 vibrational modes in the range 210-250 cm(-1) (present for x <= 0.25) into A' + A '' modes at similar to 236 cm(-1) for x = 0.30, and occurrence of new vibrational modes A' and A '' in Raman spectra for x >= 0.10 unambiguously support the presence of monoclinic phase. Occurrence of remnant polarisation and enhanced magnetization with concentration of BiFeO3 indicates superior multiferroic properties. Variation of magneto-capacitance with applied magnetic field is a strong evidence of magneto-electric multiferroic coupling in these materials.

Item Type: Article
Additional Information: Copyright for this article belongs to M/S Elsevier.
Uncontrolled Keywords: Rietveld analysis Raman analysis Magneto-electric coupling Ferroelectric Magnetic
Subjects: Chemistry
Materials Science
Metallurgy & Metallurgical Engineering
Depositing User: Dr. Rajpal Walke
Date Deposited: 17 Sep 2015 10:57
Last Modified: 17 Sep 2015 10:57

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