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Publishing Language: Chinese

Effect of Sintering Temperature on Linear Resistance-temperature Coefficient of ZnO Ceramics

Yu NING1, Xin REN1, Hanqing LIAO2, Yonggang CHEN2, Liyu YANG1, Yi ZHANG2, Haizhen WANG2, Zheng YAO1( )
Nano-Science and Technology Research Center, College of Sciences, Shanghai University, Shanghai 200444, China
Guangdong Fullde Electronics Co., Ltd, Dongguan 523920, Guangdong, China
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Abstract

The effect of sintering temperature on resistance temperature coefficient and microstructure of ZnO-based linear resistors was studied using the conventional ZnO+MgO+Al2O3+SiO2 system. It is found that the resistance increases from milliohm level to ohm level as the sintering temperature decreases, while the resistance temperature coefficient is completely negative when the sintering temperature is at 1340 ℃. The resistance temperature coefficient turns from negative to positive when the sintering temperature is at 1320 ℃ and then completely turns to positive when the sintering temperature decreases to 1280 ℃.

Keywords

ZnO linear resistancelinear expansion coefficientresistance temperature coefficientporosity
CLC number: TQ174.75 Document code: A Article ID: 1000-2278(2023)06-1162-06

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Journal of Ceramics
Volume 44 Issue 6,
December 2023
Pages 1162-1167
DOI: 10.13957/j.cnki.tcxb.2023.06.011

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Cite this article:
NING Y, REN X, LIAO H, et al. Effect of Sintering Temperature on Linear Resistance-temperature Coefficient of ZnO Ceramics. Journal of Ceramics, 2023, 44(6): 1162-1167. https://doi.org/10.13957/j.cnki.tcxb.2023.06.011

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Received: 08 August 2023
Revised: 19 October 2023
Published: 01 December 2023
© 2023 Journal of Ceramics