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OALib Journal期刊
ISSN: 2333-9721
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用溶胶-凝胶法合成la0.8sr0.2cro3纳米粉料
Keywords: 溶胶-凝胶,纳米,平均粒径,电导率
Abstract:
？以乙二醇为溶剂,柠檬酸为胶溶剂,用溶胶凝胶法合成la0.8sr0.2cro3纳米粉料.结果表明,柠檬酸与乙二醇的重量比为1:1.2,分解温度为800℃时粉料的平均粒径为10~40nm,比表面为98.5~102.5m2/g,在1200℃下即可获得单相钙钛矿结构的la0.8sr0.2cro3.在室温与1000℃之间,la0.8sr0.2cro3材料电导率的数量级为10{4}~10{5}{-1}.
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