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oaioai:ir.ciac.jl.cn:322003/28097

LaCoO_3超微粉末的合成及电性质研究

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1 January 1994
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Abstract

本文采用溶胶－凝胶法合成了ＬａＣｏＯ３超微粉末。Ｘ射线衍射分析表明，在５５０℃已生成了单相的ＬａＣｏＯ３，不同温度焙烧时，结构相同，均为三方晶系。实验结果表明，ＬａＣｏＯ３的平均粒径随焙烧温度的增加而明显地增加。首次研究了ＬａＣｏＯ３的电阻率随粒径的变化，发现ＬａＣｏＯ３的电阻率随粒径的增大而减小；导电活化能随粒径的减小而变小

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Changchun Institute of Applied Chemistry, Chinese Academy Of Sciences

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oaioai:ir.ciac.jl.cn:322003/28097
Last time updated on 13/03/2018

This paper was published in Changchun Institute of Applied Chemistry, Chinese Academy Of Sciences.

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