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Ba_1-xCa_xSn_yTi_{1 -y}O₃ 固溶体的合成与介电性能

Synthesis and Property of Ba_1-xCa_xSn_yTi_1-yO₃

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【Author】 DING Shi_wen, ZHAI Yong_qing,WANG Jing, LI Xi_mao,QIN Jiang_lei(Department of Chemistry, Hebei University, Baoding 071002,China)

【机构】河北大学化学系!河北保定071002；

【摘要】在100℃以下制备了一系列Ba1 -xCaxSnyTi1 - yO3 固溶体纳米粉末(0≤x≤0.5,0≤y≤0.3) ,通过制陶实验 ,分别测定了该系列固溶体的室温介电常数 ,结果发现 ,用软化学方法在BaTiO3 中掺入适量钙和锡 ,由于掺杂离子均匀进入母体晶格 ,引起tc 降低 ,室温介电常数达9800 ,比BaTiO3 纯相提高6倍更多还原

【Abstract】 A series of Ba1-xCaxSnyTi1-yO3 solid solutions were synthesized by soft chemical method below 100 ℃. The result of preparing ceramics showed that after adulterating with Ca2+ and Sn4+ in pure BaTiO3 phase, the dielectric constant increased six times at room temperature.更多还原