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复合薄膜CoFe2O4／TiO2的制备及磁性
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：O643.36[理学—物理化学;理学—化学] TF125.8[冶金工程—粉末冶金;冶金工程—冶金物理化学]
  • 作者机构：[1]空军工程大学理学院,陕西西安710051, [2]西安交通大学电子陶瓷与器件教育部重点实验室,陕西西安710049
  • 相关基金：基金项目：国家自然科学基金（批准号：10474077,50632030）和陕西省自然科学基金（批准号：2006E135）资助项目.
作者： 田晓霞[1], 屈绍波[1,2], 裴志斌[1], 王斌科[1,2]
关键词： CoFe2O4/TiO2, 复合薄膜, 磁性, 溶胶-凝胶
中文摘要：

以钛酸丁酯和金属盐酸盐为原料，采用溶胶一凝胶工艺制备CoFe2O4／TiO2复合薄膜。探讨热处理温度和前驱液pH值对CoFe2O4／TiO2复合薄膜结构及磁性的影响。通过X射线衍射（XRD）分析了复合薄膜的相结构；采用扫描电子显微镜（SEM）、原子力显微镜（AFM）和偏光显微镜（PLM）观测了薄膜表面形貌；用振动样品磁强计（VSM）测试了样品的磁性。结果表明，薄膜生长过程中两相组分的晶体各自析出长大，CoFe2O4均匀地嵌埋于TiO2基体中；薄膜中晶粒的生长对反应体系的pH值、热处理温度依赖性较大，前驱液pH在2-3范围内，经800℃热处理后得到纳米复合薄膜，晶粒平均粒径为19nm；随着热处理温度的升高，复合薄膜的磁性增强。

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,美国数学评论（网络版）,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:81792