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CoFe2O4/TiO2磁性复合薄膜的制备及表征

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摘要 以钛酸丁酯和金属盐酸盐为原料,采用溶胶-凝胶工艺制备了CoFe2O4/TiO2复合薄膜,分析了不同热处理温度对复合薄膜晶粒生长及薄膜表面形貌的影响.通过XRD射线、拉曼光谱、扫描电子显微镜、偏光显微镜对薄膜热分解中物相变化过程及其表面形貌进行了观测,用振动样品磁强计(VSM)测定了样品的磁性.实验结果表明:溶胶-凝胶法制得的复合薄膜,两相组分晶体各自析出长大,CoFe2O4组分均匀地分布在TiO2基体中,随着热处理温度的升高,薄膜的磁性增强.
出处 《中国科学(B辑)》 CSCD 北大核心 2008年第7期589-594,共6页 Science in China(Series B)
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