Spectroscopy of Zinc Oxide Thin Films near the Fundamental Absorption Edge

被引：0
|
作者：
Avanesyan, V. T. [1 ]
Provotorov, P. S. [1 ]
Stozharov, V. M. [1 ]
Sychev, M. M. [2 ]
Eruzin, A. A. [3 ]
机构：
[1] Herzen State Pedag Univ, St Petersburg 191186, Russia
[2] Tech Univ, St Petersburg State Technol Inst, St Petersburg 190013, Russia
[3] OAO Radiotekhkomplekt, St Petersburg 192012, Russia
来源：
OPTICS AND SPECTROSCOPY | 2021年 / 129卷 / 11期
关键词：
zinc oxide; band gap width; Tauc model; Urbach energy; OPTICAL-PROPERTIES;
D O I：
10.1134/S0030400X21090046
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optical absorption spectra of zinc oxide (ZnO) thin films formed by reactive cathode sputtering are studied. The observed absorption of light in the region of photon energies lower than the band gap is explained by the presence of tails of localized states in the band gap. The band gap width and the characteristic Urbach energy are determined. The influence of the structural specific features and the impurity factor on the behavior of the experimental spectral dependences is determined.
引用
收藏
页码：1196 / 1199
页数：4
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