Dynamics of Freedericksz deformation near a nematic-smectic- transition

Cheng Cher Huang; Ronald S. Pindak; Philip J. Flanders; John T. Ho

doi:10.1103/PhysRevLett.33.400

Dynamics of Freedericksz deformation near a nematic-smectic- transition

Cheng Cher Huang, Ronald S. Pindak, Philip J. Flanders, John T. Ho

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

We have used the dynamic Freedericksz-deformation method to measure in detail the temperature dependence of the twist viscosity γ1 in N-p-cyanobenzylidene-p-octyloxyaniline near the nematic-smectic-A transition. We have demonstrated that the intrinsic contribution γ10 can be determined independently by extrapolating data on doped samples. Our analysis shows γ1 to diverge with a critical exponent ζ=0.37±0.05, in agreement with theoretical expectations.

Original language	English (US)
Pages (from-to)	400-403
Number of pages	4
Journal	Physical Review Letters
Volume	33
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.33.400
State	Published - Jan 1 1974

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abstract = "We have used the dynamic Freedericksz-deformation method to measure in detail the temperature dependence of the twist viscosity γ1 in N-p-cyanobenzylidene-p-octyloxyaniline near the nematic-smectic-A transition. We have demonstrated that the intrinsic contribution γ10 can be determined independently by extrapolating data on doped samples. Our analysis shows γ1 to diverge with a critical exponent ζ=0.37±0.05, in agreement with theoretical expectations.",

author = "Huang, {Cheng Cher} and Pindak, {Ronald S.} and Flanders, {Philip J.} and Ho, {John T.}",

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AU - Flanders, Philip J.

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AB - We have used the dynamic Freedericksz-deformation method to measure in detail the temperature dependence of the twist viscosity γ1 in N-p-cyanobenzylidene-p-octyloxyaniline near the nematic-smectic-A transition. We have demonstrated that the intrinsic contribution γ10 can be determined independently by extrapolating data on doped samples. Our analysis shows γ1 to diverge with a critical exponent ζ=0.37±0.05, in agreement with theoretical expectations.

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