Improved Nb–substituted La0.5Sr0.5CoO3 ceramics as new and low–cost functional materials for thick–film resistors
点击次数：发表时间：2025-05-23
- 所属单位：[1] State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China; [2] Yangtze Delta Region Institute [Huzhou], University of Electronic Science and Technology of China, Huzhou, 313001, China; [3] School of Materials Science and Engineering, Hainan University, Haikou, 570228, China; [4] School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
- 发表刊物：Ceramics International
- 关键字：Sintering - Strontium compounds - Semiconductor doping - Costs - Resistors - Lanthanum compounds - Manufacture - Ruthenium compounds
- 摘要：The use of ruthenium oxides as a functional material for commercial thick–film resistors is not conducive to further lowering manufacturing costs. In this study, we propose Nb–substituted La0.5Sr0.5CoO3 (La0.5Sr0.5Co1-yNbyO3, LSCNb, y = 0.02–0.08) ceramics as new and low–cost functional materials for thick–film resistors. The conductivity and temperature coefficient of resistance (TCR) of the LSCNb samples sintered at different temperatures displayed similar downward trends with increasing Nb5+ content. A relatively high conductivity of 1670 S/cm and a minimum absolute TCR of ?168 ppm/°C were attained for the sample with y = 0.06 sintered at 1225 °C. Furthermore, zero TCR was achieved for samples within the doping range of 0.05 0.5Sr0.5CoO3 ceramics can be promising candidates for low–cost functional materials of thick–film resistors. ? 2022 Elsevier Ltd and Techna Group S.r.l.
- 文献类型：Journal article (JA)
- 卷号：48
- 期号：13
- 页面范围：19174-19179
- ISSN号：02728842
- 是否译文：否
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- 性别：男
- 职称：教授
- 毕业院校：电子科技大学
- 学历：博士研究生毕业
- 学位：工学博士学位
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- 2012 当选： 新世纪优秀人才计划
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