Effect of Thickness On Structure and Optical Properties of RF-sputtered Zn0.925Mn0.025Fe0.05O Thin Films

被引：5
|
作者：
Venkaiah, M. [1 ]
Singh, R. [1 ]
机构：
[1] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India
来源：
INDIAN VACUUM SOCIETY SYMPOSIUM ON THIN FILMS: SCIENCE & TECHNOLOGY | 2012年 / 1451卷
关键词：
Thin film; RF-Sputtering; structure; optical properties; MN-DOPED ZNO;
D O I：
10.1063/1.4732418
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanocrystalline Zn0.925Mn0.025Fe0.05O thin films were deposited on glass substrates by r.f. sputtering in pure argon gas environment. The average grain sizes of the films decrease with increase in thickness. The optical transmission studies show the films to be highly transparent (75-90%). The direct energy band gap decreases from 3.78 to 3.40 eV with increase in thickness of the film. The room temperature micro Raman spectra show the optical phonon modes at 754, 788 and 1098 cm(-1).
引用
收藏
页码：212 / 214
页数：3
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