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Temperature broadening of impurity transitions in the crystalline and glassy phase of benzophenone

✍ Scribed by J. Kikas; P. Schellenberg; J. Friedrich

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 430 KB
Volume: 207
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)87005-n

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✦ Synopsis

The temperature dependence of the width of spectral holes in the crystalline and glassy phase of bcnzophenone:chlorin solid solutions is measured between 1.5 and 10 K. In the crystal, the holewidth levels on r(O) ~45 MHz for T-C 5 K. This is close to the lifetime-limited value. For T> 5 K, it exhibits a rapid increase. In the glassy phase, the holewidth exceeds that in the crystalline state by more than a factor of ten. For TX 4 K, the width is governed by a power law with an exponent of 1.28. Around 5 K, there is a clear onset of a much steeper dependence.

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