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OPTICAL-ABSORPTION STUDIES IN MOLYBDENUM TRIOXIDE THIN-FILMS

被引：43
作者：
SABHAPATHI, VK
HUSSAIN, OM
REDDY, PS
REDDY, KTR
UTHANNA, S
NAIDU, BS
REDDY, PJ
机构：
[1] Department of Physics, Sri Venkateswara University, Tirupati
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1995年 / 148卷 / 01期
关键词：
D O I：
10.1002/pssa.2211480114
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thin films of molybdenum trioxide are prepared by the electron beam evaporation technique onto glass substrates maintained at temperatures in the range 303 to 523 K. The effect of substrate temperature and oxygen partial pressure on the structure and optical properties of MoO3 films is investigated. The as-deposited films show alpha-beta mixed phase. Both the films formed at 523 K in an oxygen partial pressure of 26.6 x 10(-3) Pa and the films formed at 523 K and heat treated in air exhibit the orthorhombic alpha-phase with optical band gap 3.25 and 3.2 eV, respectively.
引用
收藏
页码：167 / 173
页数：7
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