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The effects of pH value on the characterization of CoMnNiO NTC thermistor nanopowders
Zhuang Jian-Wen; Chang Ai-Min; Jia Zheng; Zhuang Shun-Chang; Jia Dian-Zeng
2004
会议名称3rd Asian Meeting on Electroceramics
会议录名称Ceramics International
页码1661-1663
会议日期December 7, 2003 - December 11, 2003
会议地点Singapore
摘要

The effects of pH value on the properties of CoMnNiO NTC thermistor nanopowders during coprecipitation process are studied. It showed that the particle size and the agglomeration increased with the increase of pH value. At pH 7 and 9, the wave-like grain structure has been observed in the microstructure of sintered samples by SEM, the reason for this phenomenon is that the tetragonal phase separated out of the cubic phase. At pH 8, the powders showed excellent sinterability with homogeneous and dense microstructure in the sintered samples. So the optimal pH value for the preparation of NTC thermistor nanopowders is 8. © 2004 Elsevier Ltd. and Techna Group S.r.l. All rights reserved.

收录类别EI
文献类型会议论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/2394
专题材料物理与化学研究室
作者单位Xinjiang Tech. Inst. of Phys./Chem., CAS, Urumqi 830011, China; Department of Chemistry, Xinjiang University, 830046, China
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GB/T 7714
Zhuang Jian-Wen,Chang Ai-Min,Jia Zheng,et al. The effects of pH value on the characterization of CoMnNiO NTC thermistor nanopowders[C],2004:1661-1663.
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