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| 掺杂Sm2O3对BZT20介质瓷性能的影响 | |
| 引用本文： | 李远亮,张庆军,曲远方,王冉然.掺杂Sm2O3对BZT20介质瓷性能的影响[J].压电与声光,2011,33(2). |
| 作者姓名： | 李远亮 张庆军 曲远方 王冉然 |
| 作者单位： | 1. 河北理工大学分析测试中心,河北唐山063009;天津大学先进陶瓷与加工技术教育部重点实验室,天津300072 2. 河北理工大学分析测试中心,河北唐山,063009 3. 天津大学先进陶瓷与加工技术教育部重点实验室,天津,300072 4. 天津海运职业学院轮机工程系,天津,300457 |
| 基金项目： | 国家自然科学基金，河北省教育厅科学计划研究基金 |
| 摘 要： | 以碳酸钡、二氧化锆和二氧化钛等为原料,Sm2O3为掺杂剂,制得了Ba(Zr0.2Ti0.8)O3系介质瓷,并研究了其性能,用扫描电镜对试样微观形貌进行了观察.结果表明,当x(Sm2O3)＜0.2%时,Sm3+进入晶格A位后,随掺杂量的增加,Sm3+倾向于进入晶格B位.Sm2O3的掺杂量对试样介电常数和损耗有显著影响,x(Sm2O3)=0.2%时,试样介电常数最高(约为5 600);随Sm2O3掺杂量继续增加,试样介电损耗得到明显改善,最低降至0.002 1. |
| 关 键 词： | 掺杂 介电性能 微观形貌 |
Influence of Sm2O3-doping on Dielectric Properties of BZT20 Ceramics |
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| LI Yuanliang,ZHANG Qingjun,QU Yuanfang,WANG Ranran.Influence of Sm2O3-doping on Dielectric Properties of BZT20 Ceramics[J].Piezoelectrics & Acoustooptics,2011,33(2). | |
| Authors: | LI Yuanliang ZHANG Qingjun QU Yuanfang WANG Ranran |
| Affiliation: | LI Yuanliang1,2,ZHANG Qingjun1,QU Yuanfang2,WANG Ranran3(1.Analysis & Testing Center,Hebei Polytechnic University,Tangshan 063009,China,2.Key Lab.for Advanced Ceramics and Machining Technology of Ministry of Education,Tianjin University,Tianjin 300072,3.Dept.of Marine Engineering,Tianjin Maritime Vocational Institute,Tianjin 300457,China) |
| Abstract: | The Ba(Zr0.2Ti0.8)O3 ceramics were prepared using BaCO3,ZrO2 and TiO2 et al as crude materials,Sm2O3 as dopant,and the dielectric properties are investigated.The morphology of the samples was observed by SEM.It was found that the Sm3+ ions tended to enter into the B-site in the perovskit lattice with the amount of the dopants increase when the amount of x(Sm2O3) was less than 0.2% and after the Sm3+ ions entered into the A-site.The amount of Sm2O3-dopant has significantly influence on the dielectric constan... |
| Keywords: | doping dielectric properties microstructure |
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