Effect of pressure on dielectric and frank elastic constants of a material exhibiting the twist bend nematic phase
S Parthasarathi, DS Shankar Rao… - The Journal of …, 2017 - ACS Publications
We report the first investigation on the effect of applied pressure on the now well-known
dimer α, ω bis (4, 4′-cyanobiphenyl) heptane (CB7CB) that exhibits two types of nematic:
the regular uniaxial nematic (N) and the recently discovered twist-bend nematic (NTB)
phase. At atmospheric pressure, the thermal behavior of ε⊥, the permittivity normal to the
director in the N phase decreases on entering the NTB wherein the value represents
permittivity orthogonal to the helical axis. Application of pressure initially decreases the …
dimer α, ω bis (4, 4′-cyanobiphenyl) heptane (CB7CB) that exhibits two types of nematic:
the regular uniaxial nematic (N) and the recently discovered twist-bend nematic (NTB)
phase. At atmospheric pressure, the thermal behavior of ε⊥, the permittivity normal to the
director in the N phase decreases on entering the NTB wherein the value represents
permittivity orthogonal to the helical axis. Application of pressure initially decreases the …
[引用][C] Effect of Pressure on Dielectric and Frank Elastic Constants of a Material Exhibiting the Twist Bend Nematic Phase
P Srividhya, SR DS, PN Babu, CV Yelamaggad - 2017
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