Mohyeddine, S. and Pandey, M. B. and Revannasiddaiah, D. (2009) Dielectric investigations in the nematic and hexatic smectic B phases of 4-hexyl-4'-2-(4-isothiocyanatophenyl)ethyl]-1,1'-biphenyl. Phase Transitions, 82 (1). pp. 11-18. ISSN 1029-0338
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Temperature-dependent dielectric characterization of 4-hexyl-4'-2-(4-isothiocyanatophenyl)ethyl]-1,1'-biphenyl (HIEB), which exhibits smectic B and nematic phases, has been carried out over the frequency range of 1 Hz to 10 MHz for homeotropic and planar alignment of sample molecules. This compound shows positive dielectric anisotropy ( = - 0) in the nematic (N) phase. One mode of dielectric relaxation showing Arrhenius behaviour has been detected in the hexatic smectic B (SmB) phase. Various electrical parameters, namely, dielectric anisotropy, relaxation frequency and activation energy, have been determined in the N and SmB phases.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | dielectric permittivity; hexatic phase; dielectric relaxation; dielectric anisotropy |
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Users 19 not found. |
| Date Deposited: | 31 Aug 2019 05:36 |
| Last Modified: | 31 Aug 2019 05:36 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/7424 |
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