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Low frequency vibrational modes in the glassy state of 1-cyanoadamantane: The density of states from incoherent neutron scattering

✍ Scribed by M. Bée; P. Derollez; P. Gasnier; R. Fouret

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 405 KB
Volume: 160
Category: Article
ISSN: 0921-4526
DOI: 10.1016/0921-4526(89)90052-5

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✦ Synopsis

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. While in the monoclinic state, the power dependence as a function of the energy exchange agrees with the usual Debye law, in the glassy state a noticeable deviation appears.

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