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Dielectric relaxation and Freedericksz effect
Author(s) -
Kresse H.
Publication year - 1983
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170180418
Subject(s) - dielectric , relaxation (psychology) , dispersion (optics) , anisotropy , condensed matter physics , dielectric dispersion , fréedericksz transition , materials science , chemistry , optics , liquid crystal , permittivity , physics , optoelectronics , psychology , social psychology
We have found that the dielectric anisotropy Δ′ of 4‐n‐butyloxy‐4′‐n‐pentyl‐azobenzene is positive at all frequencies. There is in the MHz region a dielectric dispersion for ϵ′ ” only which gives a decrease of Δ′. By means of Freedericksz effect was investigated a new variant for the dependence of electrical orientation on the frequency.