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) |
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Pages (from-to) | 400-403 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 33 |
Issue number | 7 |
DOIs | |
State | Published - Jan 1 1974 |