Raman evidence for surface oxidation of amorphous As2S3 thin films under ultraviolet irradiation
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DOI: 10.1016/j.apsusc.2018.10.157
Abstract: Abstract Amorphous As2S3 films with surface roughness near 0.5 nm were prepared by thermal evaporation. Raman measurements performed under ultraviolet (UV) laser excitation (325 nm) revealed a series of sharp intense peaks appearing at laser power density… read more here.
Keywords: raman evidence; surface; oxidation; evidence surface ... See more keywords
Preparation of Pure Amorphous As2S3 Films of a Stoichiometric Composition
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DOI: 10.1134/s1087659618010042
Abstract: The results of studying the composition of arsenic trisulphide (As2S3) films obtained by adding finely dispersed copper or silver powders to the starting materials for sputtering or by using triple compositions As–S–As and As–S–Cu are… read more here.
Keywords: preparation pure; as2s3 films; amorphous as2s3; pure amorphous ... See more keywords