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Title: Temperature-dependent energy storage characterization of Pb-free relaxor ferroelectrics
Authors: Uddin, S 
Zheng, GP
Khan, A
Khan, MR
Khan, B
Issue Date: Jun-2020
Source: Journal of advanced dielectrics, June 2020, v. 10, no. 3, 2050009, p. 1-7
Abstract: The energy storage properties of (1 - x)Bi0.5Na0.5TiO3-xBaTiO(3)(0 <= x <= 0.08) (BNT-BT) ceramics obtained via sol-gel method are determined from the polarization versus electric field (P-E) loops at various temperatures. The energy storage densities are observed to increase with increase in temperature and this may be attributed to the presence of antiferroelectric (AFE) phase at higher temperature (>= 120 degrees C). Obvious changes are observed in the saturation polarization (P-s) and remnant polarization (P-r) with increasing temperature. The maximum energy storage density of 0.6 J/cm(3) is observed for x = 0.06 in the AFE phase at 150 degrees C for 90 kV/cm of applied electric field. BNT-BT can be a promising candidate for energy storage devices to be used in above-room-temperature environment.
Keywords: Lead-free
Perovskites
Relaxor
Antiferroelectrics
Energy storage
Publisher: World Scientific Publishing Co.
Journal: Journal of advanced dielectrics 
ISSN: 2010-135X
EISSN: 2010-1368
DOI: 10.1142/S2010135X20500095
Rights: © The Author(s)
This is an Open Access article published by World Scientific Publishing Company. It is distributed under the terms of the Creative Commons Attribution 4.0 (CC BY) License (https://creativecommons.org/licenses/by/4.0/) which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
The following publication Uddin, S., Zheng, G. P., Khan, A., Khan, M. R., & Khan, B. (2020). Temperature-dependent energy storage characterization of Pb-free relaxor ferroelectrics. Journal of Advanced Dielectrics, 10(3), 1-7 is available at https://dx.doi.org/10.1142/S2010135X20500095
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