| 溶胶-凝胶法制备的Ba0.8Sr0.2TiO3薄膜的结构及铁电性质研究 |
| |
| 引用本文： | 程建功,孟祥建,唐军,郭少令,褚君浩.溶胶-凝胶法制备的Ba0.8Sr0.2TiO3薄膜的结构及铁电性质研究[J].物理学报,2000,49(5):1006-1009. |
| |
| 作者姓名： | 程建功 孟祥建 唐军 郭少令 褚君浩 |
| |
| 作者单位： | 中国科学院上海技术物理研究所红外物理国家实验室，上海 200083 |
| |
| 摘 要： | 采用0.05mol/L的前驱体溶液，利用溶胶-凝胶法成功制备了室温下具有优良铁电性质的Ba0.8Sr0.2TiO3 (BST)薄膜.X射线衍射分析表明，制得的BST薄膜室温下呈四方相，场发射扫描电子显微观测显示BST薄膜表面平整、致密、无裂纹出现，薄膜晶粒呈柱状结构、尺寸在150nm左右.电学测量表明制备的BST薄膜室温下具有优良的铁电性能.薄膜的剩余极化Pr约为35μC/cm2，矫顽电场E关键词：
|
| 关 键 词： | 溶胶－凝胶法 BST薄膜 结构 铁电性质 |
| 收稿时间： | 1999-07-28 |
STRUCTURE AND FERROELECTRICITY OF Ba0.8Sr0.2TiO3 THIN FILMS PREPARED BY A MODIFIED SOL-GEL PROCESSING |
| |
| CHENG JIAN-GONG,MENG XIANG-JIAN,TANG JUN,GUO SHAO-LING,CHU JUN-HAO.STRUCTURE AND FERROELECTRICITY OF Ba0.8Sr0.2TiO3 THIN FILMS PREPARED BY A MODIFIED SOL-GEL PROCESSING[J].Acta Physica Sinica,2000,49(5):1006-1009. |
| |
| Authors: | CHENG JIAN-GONG MENG XIANG-JIAN TANG JUN GUO SHAO-LING CHU JUN-HAO |
| |
| Abstract: | Quality Ba0.8Sr0.2TiO3 (BST) thin films with a remnant polarization of about 3.5μC/cm2,and a coercive field of about 53kV/cm have been successfully prepared by a sol-gel processing using a 0.05mol/L precursor solution.X-ray diffraction and field emission scanning electron microscope investigations show that the BST films exhibit a tetragonal structure (c/a=1.009) and consist dominantly of large columnar grains of about 150nm in diameter.The observed good ferroelectricity and insulating property render the sol-gel derived BST thin films promising for uncooled infrared detector and thermal imaging applications. |
| |
| Keywords: | |
| 本文献已被 维普 万方数据 等数据库收录！ |
| 点击此处可从《物理学报》浏览原始摘要信息 |
| 点击此处可从《物理学报》下载免费的PDF全文 |
