Dielectric and piezoelectric properties of low temperature synthesized iso-valent modified BT ceramics
作者： Sonia Sharma , P. Kumar , P. Palei
DOI: 10.1016/J.CERAMINT.2012.03.079
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摘要: Abstract Ba(1−x)YxTiO3 (where Y = Ca, Mg and Sr, x = 0.02, 0.04, 0.06 0.08) ferroelectric ceramic samples were synthesized in single perovskite phase by modified solid state reaction (MSSR) route. For formation dense grain morphology, 900 °C 1300 °C optimized as calcination sintering temperatures. With the increase of substitutions% Ca BCT samples, position Tc increases slightly, whereas with Sr substitution% BMT BST systems, decreased but remains above RT. Decreased processing temperature low coefficient capacitance made useful for dielectric applications. Symmetric nature S–E loops indicated piezoelectric system.
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