高分子辅助溶胶-凝胶法制备BiFe1-xCoxO3薄膜及其性能

稀有金属材料与工程, 2010, 39(9): 1668-1671.

高分子辅助溶胶-凝胶法制备BiFe1-xCoxO3薄膜及其性能

陈吉利 ^1, , 赵立峰 ^2, , 许加阳 ^3, , 黄正银 ^4, , 黄宁湘 ^5, , 赵勇 ^6,

1.西南交通大学,四川,成都,610031

2.西南交通大学,四川,成都,610031

3.西南交通大学,四川,成都,610031

4.西南交通大学,四川,成都,610031

5.西南交通大学,四川,成都,610031

6.西南交通大学,四川,成都,610031;University of New South Wales,Sydney 2052 NSW,Australia

基金项目: 国家自然科学基金(50588201) 长江计划创新团队(PCSIRT)(IRT0751) 国家重大基础研究"973"项目(2007CB616906)

关键词： BiFeO3薄膜 , Co替代 , 铁电性 , 磁性

Preparation of BiFe1-xCoxO3 Film by a Polymer-Assisted Sol-Gel Process and Its Properties

采用高分子辅助溶胶-凝胶法在ITO/玻璃衬底上制备纯的及10%B位Co替代的BiFeO3(BFO)薄膜.XRD研究表明,两薄膜均为纯相的菱方六面体状扭曲的钙钛矿结构.SEM测观表明,Co替代有利于改善BFO薄膜的致密性和平整度.铁电测试结果表明,Co 取代薄膜的铁电性有明显增强,同时饱和极化电场强度增加,漏电流减小.磁性测试表明,BFCO薄膜磁性明显增强.

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高分子辅助溶胶-凝胶法制备BiFe1-xCoxO3薄膜及其性能

Preparation of BiFe1-xCoxO3 Film by a Polymer-Assisted Sol-Gel Process and Its Properties

参考文献