Preparation and characterization of CoFe_2O_4/TiO_2 magnetic composite films

作     者：TIAN XiaoXia1, QU ShaoBo1,2, PEI ZhiBin1 & WANG BinKe1,2 1 College of Science, Air Force Engineering University, Xi’an 710051, China 2 Electronic Materials Research Laboratory, Key Laboratory of Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, China 

作者机构：College of Science Air Force Engineering University Xi’an China Electronic Materials Research Laboratory Key Laboratory of Ministry of Education Xi’an Jiaotong University Xi’an China 

出 版 物：《Science China Chemistry》 (中国科学（化学英文版）)

年 卷 期：2008年第51卷第9期

页      面：842-847页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 070301[理学-无机化学] 

基　　金：the National Natural Science Foundation of China (Grant Nos. 50632030 and 10474077) the Natural Science Foundation of Shaanxi Province (Grant No. 2006E135) 

主　　题：CoFe2O4/TiO2 composite films magnetism sol-gel 

摘      要：CoFe2O4/TiO2 magnetic composite films were prepared using the sol-gel method with tetrabutyltitanate and metallic chlorates as starting materials. The effects of heat treatment temperatures on micro- structures and on magnetic properties were studied. The microstructure and properties of the samples at different heat treatment temperatures were characterized by X-ray diffraction, Raman spectrum, scanning electron microscopy, polarized microscopy and vibrating sample magnetometry. The results show that crystals of different substances grow up independently. Cobalt ferrite is evenly embedded into the titanium dioxide matrix in the prepared composite films. The magnetism of the composite films is enhanced with an increase of the heat temperature.