EPJ Web of Conferences
Volume 83, 2015QENS/WINS 2014 - 11th International Conference on Quasielastic Neutron Scattering and 6th International Workshop on Inelastic Neutron Spectrometers
|Number of page(s)||4|
|Published online||23 January 2015|
Quasi- and inelastic neutron scattering to investigate the molecular dynamics of discotic molecules in the bulk
1 BAM Federal Institute for Materials Research and Testing, Unter den Eichen 87, 12205 Berlin, Germany
2 Jülich Centre for Neutron Science, 52425 Jülich, Germany
3 Institut Laue-Langevin, 71, Avenue des Martyrs, 38000 Grenoble, France
a Corresponding author: email@example.com
Published online: 23 January 2015
In- and quasielastic neutron scattering is employed to investigate both the vibrational density of states and the molecular dynamics of two homologous discotic liquid crystals (DLC) with different length of the alkyl side chain based on a triphenylene derivate. For both compounds characteristic low frequency excess contributions to the vibrational density of states are found. Therefore it is concluded that these liquid crystals show a glass-like behaviour. Elastic scans further show that in these materials a rich molecular dynamics takes place.
© Owned by the authors, published by EDP Sciences, 2015
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