Phase structure and electrical properties of 0.965(K0.45Na0.55)0.95Ag0.05(Nb1−xSbx)O3–0.035Bi0.5(Na0.5Li0.5)0.5ZrO3 lead-free ceramics
作者： Dandan Mazhao , Dingquan Xiao , Jiagang Wu , Jianguo Zhu
DOI: 10.1007/S10854-015-3359-7
关键词: Ceramic 、 Materials science 、 Microstructure 、 Mineralogy 、 Phase (matter) 、 Phase transition 、 Analytical chemistry 、 Phase boundary
摘要: Lead-free 0.965(K0.45Na0.55)0.95Ag0.05(Nb1−x Sb x )O3–0.035Bi0.5(Na0.5Li0.5)0.5ZrO3 (KNANS –BNLZ) ceramics were synthesized using the conventional solid-state reaction method, and effects of Sb5+ content on phase structure electrical properties samples investigated. The results showed that endure a transition from orthorhombic–tetragonal to rhombohedral–tetragonal (R–T) phases with increasing Sb content. R–T boundary was observed in composition range 0.03 ≤ x ≤ 0.05, then enhanced d 33 = 345 pC/N k p = 38.5 % obtained x = 0.04, which is mainly ascribed involved together dense microstructure.
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