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Energy storage property in lead free gd doped Na1/2Bi1/2TiO3 ceramics

Abstract : The Effect of Gadolinium ion incorporation on structure, dielectric and ferroelectric properties of lead-free Na1/2Bi1/2TiO3 (NBT) ceramic was investigated. X-ray diffraction allowed the identification of a pure phase isostructural to NBT. Dielectric measurements showed more pronounced anomalies in the range of depolarization temperature when Gd was added. Antiferroelectric-like behavior with a double pinched hysteresis loop was observed versus temperature in the doped phase. The energy-storage density (W) was calculated using the P-E loops data and was found to vary from 0.45 J cm(-3) at room temperature to 0.85 J cm(-3) at 413 K, which is promising for energy storage application. (C) 2016 Elsevier Ltd. All rights reserved.
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Moneim Zannen, Abdelilah Lahmar, Hamadi Khemakhem, Mimoun El Marssi. Energy storage property in lead free gd doped Na1/2Bi1/2TiO3 ceramics. Solid State Communications, Elsevier, 2016, 245, pp.1-4. ⟨10.1016/j.ssc.2016.07.010⟩. ⟨hal-03627586⟩



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