Ferroelectric Relaxation Behavior of Lead free BCZT Ceramics
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Physics Science | India | Volume 3 Issue 11, November 2014

Ferroelectric Relaxation Behavior of Lead free BCZT Ceramics

S. D. Chavan, D. J. Salunkhe

The paper reports the synthesis of (Ba (1-x) Ca (x)) (Zr (y) Ti (1-y)) O3 (BCZT) compositions by solid state reaction route with x = 0.05, 0.075 and y = 0.075, 0.10. The temperature dependent dielectric properties indicate a diffuse phase transition. A broad dielectric maximum, which shifts to higher temperature with increasing frequency, signifies the relaxor behavior of these compositions and maximum dielectric constant (max) was found at the Curie temperature (Tc). The value of the relaxation parameter ranges from 2.09 to 1.66 for frequency 100Hz to 1MHz estimated from the linear fit of the modified Curie Weiss law, indicates the relaxor nature of BCZT compositions. The dielectric relaxation rate follows the Vogel Fulcher relation to supports relaxor nature. The slim PE hysteresis loop with nonzero remnant polarization indicates the relaxor nature of BCZT compositions.

Keywords: Solid State Reaction, dielectric properties, relaxor nature

Edition: Volume 3 Issue 11, November 2014

Pages: 1557 - 1561

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How to Cite this Article?

S. D. Chavan, D. J. Salunkhe, "Ferroelectric Relaxation Behavior of Lead free BCZT Ceramics", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=OCT141279, Volume 3 Issue 11, November 2014, 1557 - 1561

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