Influence of thermal treatments on the low frequency conductivity and microwave dielectric loss of CaTiO3 ceramics
文献类型：期刊论文
| 作者 | Hu, Peng1; Jiao, Huan1; Wang, Chun-Hai2; Wang, Xiao-Ming2; Ye, Shi2; Jing, Xi-Ping2; Zhao, Fei3; Yue, Zhen-Xin3 |
| 刊名 | MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
 |
| 出版日期 | 2011-03-25 |
| 卷号 | 176期号:5页码:401-405 |
| 关键词 | Intrinsic Defect Microwave Dielectric Loss Conductivity Catio3 |
| ISSN号 | 0921-5107 |
| DOI | 10.1016/j.mseb.2010.12.010 |
| 英文摘要 | We prepared CaTiO3 by solid state reactions as a model for Ti-based microwave dielectric ceramics to investigate the influence of thermal treatment on conductivity and microwave dielectric loss. The intrinsic defect concentrations of CaTiO3 may be modified by air-quenching, air-annealing and thermal treatment in various atmospheres such as O-2. Ar and air. CaTiO3 has p-type conductance implying that calcium vacancy V-Ca(x) may be the dominant defect. The variation in defect concentration influences the low frequency conductivity but not the microwave dielectric loss. The V-Ca(x), concentration in the air-quenched sample was found to be lower than that in the air-annealed one. However, the former showed similar to 8% deterioration and the latter showed a 14% improvement in the Q x f value. The data, therefore, suggests that other factors such as thermally induced strain rather than intrinsic defects may influence the microwave dielectric loss. (C) 2010 Elsevier B.V. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000289662000005 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/73369]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Jiao, Huan |
| 作者单位 | 1.Shaanxi Normal Univ, Sch Chem & Mat Sci, Key Lab Macromol Sci Shaanxi Prov, Xian 710062, Peoples R China 2.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China 3.Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Peng,Jiao, Huan,Wang, Chun-Hai,et al. Influence of thermal treatments on the low frequency conductivity and microwave dielectric loss of CaTiO3 ceramics[J]. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,2011,176(5):401-405. |
| APA | Hu, Peng.,Jiao, Huan.,Wang, Chun-Hai.,Wang, Xiao-Ming.,Ye, Shi.,...&Yue, Zhen-Xin.(2011).Influence of thermal treatments on the low frequency conductivity and microwave dielectric loss of CaTiO3 ceramics.MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,176(5),401-405. |
| MLA | Hu, Peng,et al."Influence of thermal treatments on the low frequency conductivity and microwave dielectric loss of CaTiO3 ceramics".MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS 176.5(2011):401-405. |
入库方式： OAI收割
来源：化学研究所
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