Dielectric studies in the isotropic phase of six symmetrical azomethines with various number of benzene rings. Influence of the ionic conductivity

Urban, S.; Lalik, Sebastian; Różycka, Anna; Iwan, Agnieszka; Marzec, M.

doi:10.1016/j.molliq.2021.115477

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“…More experimental details (i.e., the description of the sample preparation and experimental setup) are given in [26,36]. The high-precision Novocontrol ALPHA analyzer and the high-frequency Agilent E4991 analyzer are suitable for measuring the dielectric response of polar liquid crystals; for example, see [22,33,[36][37][38][39][40][41][42][43].…”

Section: Methodsmentioning

confidence: 99%

The Universal Scaling of Dielectric Response as a Tool in the Description of a Complex Dynamic of 4′-Butyl-4-(2-methylbutoxy)azoxybenzene (4ABO5*)

Piwowarczyk,

Juszyńska-Gałązka,

Gałązka

2024

Crystals

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The results of dielectric relaxation spectroscopy of the chiral liquid crystal 4′-butyl-4-(2-methylbutoxy)azoxybenzene in the crystal phase are presented. The scaling procedure showed complex molecular dynamics and allows one to decompose the observed relaxation process into two closely located relaxation processes around the short molecular axis. Temperature dependences of relaxation times characterizing flip-flop motions (rotation around the short molecular axis) and rotation around the long molecular axis are of the Arrhenius type.

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