引用本文:
王忠春, 刘尔生, 陈耐生, 黄金陵. 氧化共沉淀法制备纳米级掺锑α-Fe2O3气敏陶瓷粉料[J]. 应用化学,
1997, 14(4): 80-82.
Citation: Wang Zhongchun, Liu Ersheng, Chen Naisheng, Huang Jinling. Preparation of Sb-doped α-Fe2O3 Ultrafine Powder via Oxidation-coprecipitation[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 80-82.
Citation: Wang Zhongchun, Liu Ersheng, Chen Naisheng, Huang Jinling. Preparation of Sb-doped α-Fe2O3 Ultrafine Powder via Oxidation-coprecipitation[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 80-82.
氧化共沉淀法制备纳米级掺锑α-Fe2O3气敏陶瓷粉料
English
Preparation of Sb-doped α-Fe2O3 Ultrafine Powder via Oxidation-coprecipitation
Abstract:
Ultrafine powder of T-Fe2O3 doped with antimony has been prepared by a novel oxidation-coprecipitation method. The products have been characterized by XRD, TEM, and their specific areas have been determined by front chromatography. The results showed that the powder prepared by this method has smaller mean particle size and larger specific area than that obtained by chemical coprecipitation.Ultrafine powder of T-Fe2O3 doped with Sn and Sb has also been prepared. The gas-sensitive ceramic units fabricated with powder prepared by the new method has been found to have much lower electrical resistance in air.
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