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Ultrafast relaxation of the fundamental vibrations of SH- and OH- in potassium halides

✍ Scribed by C.E. Mungan; U. Happek; A.J. Sievers


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
263 KB
Volume
58
Category
Article
ISSN
0022-2313

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Observation of site-dependent relaxation
✍ J.R. Engholm; U. Happek; A.J. Sievers πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 341 KB

We have investigated the vibrational relaxation of the OH impurity stretch mode in amorphous SiO 2. At low temperatures, a short relaxation time of ~-10-l0 s is found that varies strongly across the inhomogeneously broadened absorption line. The inhomogeneous broadening is caused by a site-dependent