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Structural and optical properties of Ba0.9Sr0.1TiO3 thin films prepared by chemical solution routes

  • Gen Shui Wang*
  • , Zhen Quan Lai
  • , Jian Yu
  • , Xiang Jian Meng
  • , Jing Lan Sun
  • , Shao Ling Guo
  • , Jun Hao Chu
  • , Cheng Yu Jin
  • , Gang Li
  • , Qing Hua Lu
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Technical Physics

科研成果: 期刊稿件文章同行评审

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
21
1
出版状态已出版 - 2月 2002
已对外发布

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