Influence of samarium substitution on structural, dielectric, and piezoelectric properties of PZT ceramics

J. K. Juneja; O. P. Thakur; Chandra Prakash

doi:10.1117/12.514893

14 October 2003 Influence of samarium substitution on structural, dielectric, and piezoelectric properties of PZT ceramics

J. K. Juneja, O. P. Thakur, Chandra Prakash

Author Affiliations +

Proceedings Volume 5062, Smart Materials, Structures, and Systems; (2003) https://doi.org/10.1117/12.514893
Event: Smart Materials, Structures, and Systems, 2002, Bangalore, India

Abstract

The structural, dielectric and piezoelectric properties have been studied in detail for the samarium modified PZT system. The samples, with chemical formula Pb_1-xSm_xZr_0.52Ti_0.48O₃ with x varying from 0 to 0.02 in steps of 0.0025, were prepared by standard double sintering ceramic method. XRD analysis showed all the samples to be of single phase with tetragonal structure. Tetragonality (c/a) decreases gradually with samarium concentration (x) and the experimental density increases with x. Dielectric properties were studied as a function of temperature and frequency. All the samples show well-defined ferroelectric behavior. The remanance ratio (P_r/P_s) was found to increase with increasing Sm³⁺ concentration. Piezoelectric charge coefficient d₃₃ decreases with x.

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J. K. Juneja, O. P. Thakur, and Chandra Prakash "Influence of samarium substitution on structural, dielectric, and piezoelectric properties of PZT ceramics", Proc. SPIE 5062, Smart Materials, Structures, and Systems, (14 October 2003); https://doi.org/10.1117/12.514893

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