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|Title: ||Rotational viscosity in the ferroelectric C* phase - A high pressure study|
|Authors: ||Khened, S.M.|
Krishna Prasad, S.
|Issue Date: ||Nov-1992 |
|Publisher: ||World Scientific|
|Citation: ||Recent Trends in High Pressure Research: Proceedings of the Xiii Airapt International Conference on High Pressure Science and Technology 7-11 October 1991, World Scientific, 1992, p526-528|
|Abstract: ||Since the demonstration of microsecond switching using ferroelectric liquid crystals, these materials are considered as key substances for fast electro-optic response, memory effect and other kinds of LCD applications. A basic parameter which decides the speed of electro-optic response is the rotational viscosity γΦ. This property, which is associated with the motion of the molecule around a cone of azimuthal angles is also important in understanding the dynamics of switching. We have performed high pressure studies on a compound exhibiting the ferroelectric-paraelectric (Smectic C*-Smectic A) transition. The results show that the thermal variation of γΦ is of the arrhenius type and its value increases with increasing pressure.|
|Description: ||Restricted Access.|
|Copyright: ||1992 World Scientific|
|Appears in Collections:||Research Papers (SCM)|
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