Influence of thermal treatment on the microstructure and electrical and optical properties of SnS thin films

The influence of thermal treatment on the microstructure and electrical and optical properties of SnS films obtained by the “hot-wall” method has been investigated. It has been established that the thermal treatment does not lead to the formation of foreign phases in the film composition. The averag...

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Bibliographic Details
Published in:Physics of the solid state 2014-07, Vol.56 (7), p.1310-1314
Main Authors: Bashkirov, S. A., Gladyshev, P. P., Gremenok, V. F., Ivanov, V. A.
Format: Article
Language:English
Subjects:
Adsorption
Analysis
Dielectric films
Electric properties
Optical properties
Physics
Physics and Astronomy
Semiconductors
Solid State Physics
Thin films
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Summary:The influence of thermal treatment on the microstructure and electrical and optical properties of SnS films obtained by the “hot-wall” method has been investigated. It has been established that the thermal treatment does not lead to the formation of foreign phases in the film composition. The average film roughness after the thermal treatment increases from 10 to 20 nm. Resistivity after the thermal treatment decreases from 230 to 100 Ωcm ( T = 300 K), while the temperature coefficient of thermopower increases from 40 to 330 μV K −1 . The band gap is 1.46 eV. The adsorption edge is not displaced after the thermal treatment.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783414070038