科研之友
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摘要
The dielectric measurements of a weakly polarized nematic liquid crystal (D6AOB) were carried out in the frequency range 100Hz to 40MHz and in the voltage range from 0 to 40V at 100Hz. The dielectric data were measured for two principal alignments, homeotropic and planar. The angle between the long molecular axis and dipole moment of the molecules is calculated from Cole-Cole plots using Onsager theory, both for pure and doped liquid crystal. Here is an attempt to discuss the epsilon v/s voltage on the basis of piezoelectric strain, which is in good agreement with experimental results.
- 出版日期2011
