Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8948552 | Journal of the European Ceramic Society | 2018 | 6 Pages |
Abstract
La1-xSrxCrO3-In2O3 thick film thermocouples were fabricated by screen-printing method for high temperature sensing and the effects of Sr2+ content were investigated systematically. All La1-xSrxCrO3 thick films showed well crystallization with orthorhombic unit cell. Their average particle sizes showed the tendency of first increase then decrease gradually with the increase of Sr2+ content, and the maximum of average particle size was 1.76â¯Î¼m. At the same time, the conductivities were improved with the increase of Sr2+ content. The thermoelectric properties of La1-xSrxCrO3 depended on the Sr2+ content and the average Seebeck coefficients had an exponential decay tendency with the increase of Sr2+ content. For La1-xSrxCrO3 (xâ¯=â¯0.1-0.4)-In2O3 thermocouples, excellent repeatability and stability were observed through multi-cycles and long-time usage testing at high temperature. The La0.7Sr0.3CrO3-In2O3 thick film thermocouple with excellent thermal stability (drift rate: 0.81â¯Â°C/h) and reliability makes it become a promising candidate high sensitivity thermal sensor.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Dan Liu, Peng Shi, Wei Ren, Yantao Liu, Ming Liu, Yijun Zhang, Qijing Lin, Bian Tian, Zhuangde Jiang, Zuo-Guang Ye,