Resistance reduction effect of potassium bismuth titanate doping in yttrium–manganese co-doped medium Curie temperature barium titanate lead free ceramics through improved synthesis process
Materials Science in Semiconductor Processing(2015)
摘要
Through improved synthesis process, resistance reduction effect of (K0.5Bi0.5)TiO3 (KBT) doping in Y–Mn co-doped BaTiO3 (BT) lead free ceramics was investigated. By different doping methods (doping K2O, Bi2O3 and TiO2 or synthesized KBT), medium Curie temperature (around 130°C) lead free BT ceramics were obtained with ultra-low resistivity (13.84Ωcm) with a temperature maintaining process at 700°C. In this contribution, effect of sintering process and doping methods is discussed in detail.
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关键词
(K0.5Bi0.5)TiO3,BaTiO3,Resistance reduction,Lead free,Improved sintering process
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