Urbach absorption edge and disordering processes in As_2S _3 thin films

Studenyak I.P.; Kranj?ec M.; Pop M.M.

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Urbach absorption edge and disordering processes in As_2S _3 thin films

机译：As_2S _3薄膜中的Urbach吸收边缘和无序过程

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The temperature studies of transmission spectra for as-deposited and annealed amorphous As_2S_3 thin films are carried out. The optical absorption spectra in the range of their exponential behaviour are analysed, and the dispersion dependences of refractive index as well as their temperature variation are investigated. The Urbach behaviour of optical absorption edge is revealed, the Urbach absorption edge parameters are determined, and their temperature dependences are studied. The effect of different type of disordering on the optical absorption processes in As _2S_3 thin films is studied. A comparative analysis of Urbach absorption edge parameters of As_2S_3 bulk glasses and thin films is performed.

机译：对沉积和退火的非晶态As_2S_3薄膜的透射光谱进行了温度研究。分析了其指数行为范围内的光吸收光谱，研究了折射率的色散依赖性及其温度变化。揭示了光吸收边缘的Urbach行为，确定了Urbach吸收边缘参数，并研究了它们的温度依赖性。研究了不同类型的无序对As _2S_3薄膜中光吸收过程的影响。对As_2S_3块状玻璃与薄膜的Urbach吸收边缘参数进行了比较分析。

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《Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites》 |2011年第23期|共4页
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Studenyak I.P.; Kranj?ec M.; Pop M.M.;
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正文语种 eng
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Films and coatings; Optical spectroscopy; Urbach absorption edge;

机译：薄膜和涂层;光谱学;Urbach吸收边缘;

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1. Urbach absorption edge and disordering processes in As_2S _3 thin films [J] . Studenyak I.P., Kranj?ec M., Pop M.M. Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites . 2011,第22a23期

机译：As_2S _3薄膜中的Urbach吸收边缘和无序过程
2. Effects of annealing and structural phase transformation on the Urbach absorption in thin silver sulphide films [J] . Chattopadhyay P., Guha Roy S. Journal of Applied Physics . 2014,第13期

机译：退火和结构相变对硫化银薄膜中Urbach吸收的影响
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Urbach absorption edge and disordering processes in As_2S _3 thin films

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