Reversible photostructural change in melt-quenched As2S3 glass |
| |
Authors: | H Hamanaka K Tanaka S Iizima |
| |
Institution: | Electrotechnical Laboratory, Tanashi, Tokyo 188, Japan |
| |
Abstract: | Reversible phtodarkening and photostructural change accomplished by repeated cycles of band-gap illumination and annealing have been observed in melt-quenched As2S3 glass for the first time. The magnitudes of photo-induced shift of optical absorption edge as well as the fraction of photo-expansion observed in melt-quenched As2S3 glass coincide quantitatively with those observed in well-annealed evaporated As2S3 glass. The experimental data involving results of crystalline As2S3 demonstrate that the reversible photostructural change is “unique” to amorphous state and is not affected by the difference in disordered structure originated from preparation technique. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |