Optical properties and adhesion of air oxidized vacuum evaporated bismuth thin films

被引：19
作者：
Patil, R. B.
Yadav, J. B.
Puri, R. K. [1 ]
Puri, Vijaya
机构：
[1] Shivaji Univ, Vacuum Tech & Thin Film Lab, USIC, Kolhapur, Maharashtra, India
[2] Shivaji Univ, Dept Phys, Kolhapur 416004, Maharashtra, India
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2007年 / 68卷 / 04期
关键词：
oxides; thin films; vapour deposition; optical properties;
D O I：
10.1016/j.jpcs.2007.02.019
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Highly adhesive bismuth oxide thin films on glass have been prepared by air oxidation of vacuum evaporated bismuth thin films at various temperatures. The transmittance, optical band gap, refractive index and adhesion show temperature and oxidation time effects. The films show a direct band gap between 2 and 2.5 eV. The refractive indices are in the range 1.854-1.991. The transmittances of the bismuth oxide films are quite high in a large wavelength range. These bismuth oxide films can have potential use in optical waveguides. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：665 / 669
页数：5
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