| Ba_(1-x)Ca_xSn_yTi_(1 -y)O_3 固溶体的合成与介电性能 |
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| 引用本文： | 丁士文,翟永青,王静,李希茂,秦江雷.Ba_(1-x)Ca_xSn_yTi_(1 -y)O_3 固溶体的合成与介电性能[J].河北大学学报(自然科学版),2000(2). |
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| 作者姓名： | 丁士文 翟永青 王静 李希茂 秦江雷 |
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| 作者单位： | 河北大学化学系!河北保定071002 |
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| 基金项目： | 河北省自然科学基金重点资助项目!(299078) |
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| 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
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| 关 键 词： | BaTiO_3基固溶体 化学掺杂 介电特性 |
Synthesis and Property of Ba_(1-x)Ca_xSn_yTi_(1-y)O_3 |
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| DING Shi_wen,ZHAI Yong_qing,WANG Jing,LI Xi_mao,QIN Jiang_lei.Synthesis and Property of Ba_(1-x)Ca_xSn_yTi_(1-y)O_3[J].Journal of Hebei University (Natural Science Edition),2000(2). |
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| Authors: | DING Shi_wen ZHAI Yong_qing WANG Jing LI Xi_mao QIN Jiang_lei |
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| 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. |
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| Keywords: | BaTiO_3 solid solutions chemical adulteration dielectric property |
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