摘要
Ba0.9Sr0.1TiO3 (BST) thin films were deposited on LaNiO3 thin films by modified chemical solution routes. X-ray diffraction investigation shows that BST thin films are highly preferential (100) -orientation. Atomic force microscopy shows that BST thin films have large grain size of 80-200 nm. The optical properties were measured by spectroscopic ellipsometry in the photon energy range of 0.7-3.4 eV. Cauchy model was used to express the optical properties. Optical constants (refractive index and extinction coefficient) were obtained. The band gap of the BST thin films is 3.36 eV.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 37-40 |
| 页数 | 4 |
| 期刊 | Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves |
| 卷 | 21 |
| 期 | 1 |
| 出版状态 | 已出版 - 2月 2002 |
| 已对外发布 | 是 |
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