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On the ultraviolet light induced oxidation of amorphous As2S3 film
Authors: Knotek Petr | Vlček Milan | Kincl Miloslav | Tichý Ladislav
Year: 2012
Type of publication: článek v odborném periodiku
Name of source: Thin Solid Films
Publisher name: Elsevier Science BV
Place: Amsterdam
Page from-to: 5472;5478
Titles:
Language Name Abstract Keywords
cze Fotooxidace As2S3 filmu indukovaná UV světlem Osvětlení amorfního As2S3 filmu UV světlem s celkovou intenzitou 10 Wcm-2 vedlo k extenzivní oxidaci. V průběhu 2 min expozice As2S3 filmu s původní tloušťkou 425 nm byl materiál překonvertován na As2O3. Výrazné množství As2O3 krystalů přesahovalo výšku 2 µm, což indikuje možnost růstu krystalů z parní fáze. tenké filmy; fotoinfukovaná oxidace; mikroskopie atomárních sil
eng On the ultraviolet light induced oxidation of amorphous As2S3 film Illumination of amorphous As2S3 film by ultraviolet light with an overall light intensity on the sample surface of around 10 W cm(-2) leads to extensive film oxidation. After 2 min of illumination most of As2S3 film of an original thickness at around 0.425 mu m was converted into a cubic form of As2O3-arsenolite. A considerable amount of arsenolite microcrystals were found at a height of around 2 mu m and more which indicated a growth of As2O3 microcrystalline particles from the vapor phase. arsenic sulfide; thin films; photo-induced oxidation; atomic force microscopy; scanning electron microscopy