Reversible photoinduced change in intermolecular distance in amorphous As2S3network
作者： K. Tanaka
DOI: 10.1063/1.88136
关键词: Photodarkening 、 Intermolecular force 、 Photochemistry 、 Amorphous solid 、 Materials science 、 Annealing (metallurgy) 、 Absorption edge 、 Diffraction 、 Chemical physics 、 Physics and Astronomy (miscellaneous)
摘要: A reversible photoinduced change in the intermolecular distance has been observed a well−annealed As2S3 film using detailed x−ray diffraction technique. This phenomenon is strongly related to optical absorption edge shift (i.e., photodarkening) by successive cycles of band−gap illumination and annealing. quantitative interpretation given for both phenomena connection with pressure−induced shift.
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