Venkata Sai, D. ; Mirri, G. ; Kouwer, P. H. J. ; Sahoo, R. ; Musevic, I. ; Dhara, Surajit (2016) Unusual temperature dependence of elastic constants of an ambient-temperature discotic nematic liquid crystal Soft Matter, 12 (11). pp. 2960-2964. ISSN 1744-683X
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Official URL: https://doi.org/10.1039/C6SM00065G
Related URL: http://dx.doi.org/10.1039/C6SM00065G
Abstract
We report the first experimental studies on the temperature dependence of viscoelastic properties of a room temperature discotic nematic liquid crystal. The splay elastic constant is greater than the bend elastic constant and both show unusual temperature and order parameter dependence. The rotational viscosity is remarkably larger than conventional calamitic liquid crystals. We provide a simple physical explanation based on the columnar short-range order to account for the the unusual temperature dependence of the elastic constants.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 141374 |
| Deposited On: | 01 Dec 2025 06:37 |
| Last Modified: | 01 Dec 2025 06:37 |
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