Molecular motions in the glassy crystalline phase of 1-cyanoadamantane
✍ Scribed by M. Bée; P. Derollez; M. Descamps; R. Fouret
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 234 KB
- Volume
- 180-181
- Category
- Article
- ISSN
- 0921-4526
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From inelastic neutron scattering the density of vibrational states of l-cyanoadamantane has been measured both in its low-temperature monoclinic phase and its glassy phase. A strong increase in the low-frequency part of the spectrum in the glassy state with respect to the ordered state is shown. Wh
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 exhibi