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Structural and optical characterization of amorphous As40S60 and As40Se60 films prepared by plasma-enhanced chemical vapor deposition
Authors: González-Leal J.M. | Prieto-Alcón R. | Vlček Miroslav | Márquer E.
Year: 2004
Type of publication: článek v odborném periodiku
Name of source: Journal of Non-Crystalline Solids
Publisher name: Elsevier Science BV
Place: Amsterdam
Page from-to: 88-92
Titles:
Language Name Abstract Keywords
cze Strukturní a optická charakterizace amorfních tenkých filmů As40S60 a As40Se60 připravených metodou CVD Byly spřipraveny a charakterizovány amorfní tenké filmy As40S60 a As40Se60 připravených metodou plasma-enhanced CVD
eng Structural and optical characterization of amorphous As40S60 and As40Se60 films prepared by plasma-enhanced chemical vapor deposition Amorphous chalcogenide films of chemical compositions As40S60 and As40Se60 have been prepared by plasma-enhanced chemical vapor deposition.An improved optical characterization method suitable for non-uniform thin films, which also takes into consideration the weak absorption in the substrate, has successfully been applied.The values of the average thickness and thickness variation, d and Dd, respectively, were crossed-checked with those measured by use of a surface-profiling stylus instrument, and differences between the directly measured and the optically calculated values were, in all cases, less than 2%.A comparison between the structural and optical properties of these PECVD films, and those of the same chemical composition prepared by thermal evaporation, is systematically made in this paper. amorphous chalcogenide films;PECVD;