Drifting undulations in an achiral smectic C liquid crystal driven by a static electric field

Article Abstract:

A novel dc field-driven propagative instability associated with the thermally induced layer undulations of the smectic C phase in a phenyl benzoate is reported. The mechanism responsible for the drift has involved a coupling between transverse field gradients due to the conductivity anisotropy and the transverse component of the flexoelectric polarization.

Analysis, Electric properties, Polarization (Electricity), Smectite, Phenyl compounds

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Direct measurements of ion accumulation at the electrode electrolyte interface under an oscillatory electric field

Article Abstract:

The ionic charge accumulation at the metal-electrolyte interface is directly measured by using differential interferometry as a function of magnitude and frequency (2-50 Khz) of external electric field. It is revealed that the technique developed probes the ion dynamics confined to the electrical double layer.

Usage, Interferometry

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