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Climbing the Vibrational Ladder To Probe the OH Stretch of HNO3 on Silica

โœ Scribed by Pipino, A.C.R.; Michalski, M.


Book ID
118750371
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
123 KB
Volume
111
Category
Article
ISSN
1932-7447

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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