Frequency and temperature dependence of the vibrational relaxation of the SH stretch mode in vitreous As2S3
作者： U. Happek , J.R. Engholm , A.J. Sievers
DOI: 10.1016/0009-2614(94)00263-0
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摘要: Abstract The non-radiative relaxation of the SH vibrational stretch mode in hydrogen doped As2S3 glass has been measured using infrared picosecond laser saturation spectroscopy. A lifetime on order 10−10 s is found at low temperature that varies by a factor 6 across broad absorption line, demonstrating site-dependent rate. dependence study indicates relaxes through multi-vibrational decay into modes glassy host.
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