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Photo-induced changes in the optical properties of amorphous As-Ge-S thin films

✍ Scribed by K. Petkov; B. Dinev

Publisher
Springer
Year
1994
Tongue
English
Weight
495 KB
Volume
29
Category
Article
ISSN
0022-2461

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Amorphous films Ge 27 As 13 S 60 (FII) and Ge 14 As 27 S 59 (FIII) were prepared by thermal evaporation. Thermal and photo-induced bleaching were observed in the virgin films. Reversible photo-darkening was studied induced by various light sources (white light, monochromatic light with wavelengths 4