Antiferroelectric dielectric relaxation processes and the interlayer interaction in antiferroelectric liquid crystals
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Song, J.-K., Manna, U., Fukuda, A., Vij, J.K., Antiferroelectric dielectric relaxation processes and the interlayer interaction in antiferroelectric liquid crystals , Applied Physics Letters, 93, 14, 2008, 142903 -Download Item:
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Abstract:
Antiphase relaxation process of antiferroelectric phase is investigated in binary mixtures of
antiferroelectric and ferroelectric liquid crystalline compounds. It is found that the frequency of the
antiphase mode ranges from 2 to 4 MHz, being one of the fastest collective processes reported so
far. This can be exploited in a photonic switch with a submicrosecond response time. However, the
frequency of the antiphase mode decreases by the mixing ratio of the ferroelectric compound. The
decrease in the frequency is shown to be due to a reduction in the elastic constant in between the
adjacent layers.
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Science Foundation Ireland (SFI)
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http://people.tcd.ie/jvijhttp://people.tcd.ie/atsuof
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Applied Physics Letters93
14
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Electronic & Electrical EngineeringDOI:
http://dx.doi.org/10.1063/1.2977871Licences: