Structural, Dielectric and Impedance Characterization of Pb(Ba1/3Nb2/3)O3 *

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Published: 2010-09-15
Keywords:
Relaxor Materials, Diffuse Phase Transition, X-ray diffraction, Ferroelectrics.

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Mukul Pastor, K. N. Singh and P. K. Bajpai
Advance Material Research Laboratory Department of Pure & Applied Physics Guru Ghasidas Vishwavidyalaya, Bilaspur 495 009
R. N. P. Chowdhury
Department of Physics & Meteorology, Indian Institute of Technology, Kharagpur (W.B.), India

Abstract

Paper reports dielectric properties and complex impedance spectroscopic studies of lead based ferroelectric ceramic Pb(Ba1/3Nb2/3)O3. X-ray diffraction pattern has shown that the material is almost pure orthorhombic perovskite phase with lattice constants a=3.6983A0 b=16.2704A0, c=12.7872A0. Grain size was found ≈1μm. The observed phase transition is almost diffuse type in character. Activation energy is found to 0.59 eV. Cole-Cole plot confirms the major contribution to the impedance coming from grains and grain boundary.

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Vol. 14 No. 3 (2010): Table of Content

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How to Cite

1.
Structural, Dielectric and Impedance Characterization of Pb(Ba1/3Nb2/3)O3 *. J. Int. Acad. Phys. Sci. [Internet]. 2010 Sep. 15 [cited 2026 Oct. 23];14(3):357-62. Available from: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/248

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