期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 493, 期 -, 页码 86-93出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2018.04.038
关键词
Amorphous chalcogenides; Optical microfabrication; Light-induced mass-transport; Surface relief; Temperature dependence; Surface potential
Under irradiation of amorphous AsxSe100-x films by band-gap light, it was observed that lateral mass transport of the film material change the direction of movement in the region where topological structural transition occurs (4 < x < 5 at.%.). It was detected that the rate of mass transport increases essentially with temperature and reaches the maximum near the glass-transition temperature, Tg. We propose a model based on the lateral photo-Dember effect that qualitatively describes the observed phenomenon.
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