Effects of Electric Field on Liquid Crystals

doi:10.1002/9781118751992.ch4

Fundamentals of Liquid Crystal Devices 2014

DOI: 10.1002/9781118751992.ch4

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Effects of Electric Field on Liquid Crystals

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Nanoscale Control over the Mixing Behavior of Surface-Confined Bicomponent Supramolecular Networks Using an Oriented External Electric Field

et al. 2017

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Strong electric fields are known to influence the properties of molecules as well as materials. Here we show that by changing the orientation of an externally applied electric field, one can locally control the mixing behavior of two molecules physisorbed on a solid surface. Whether the starting two-component network evolves into an ordered two-dimensional (2D) cocrystal, yields an amorphous network where the two components phase separate, or shows preferential adsorption of only one component depends on the solution stoichiometry. The experiments are carried out by changing the orientation of the strong electric field that exists between the tip of a scanning tunneling microscope and a solid substrate. The structure of the two-component network typically changes from open porous at negative substrate bias to relatively compact when the polarity of the applied bias is reversed. The electric-field-induced mixing behavior is reversible, and the supramolecular system exhibits excellent stability and good response efficiency. When molecular guests are adsorbed in the porous networks, the field-induced switching behavior was found to be completely different. Plausible reasons behind the field-induced mixing behavior are discussed.

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Nanoscale Control over the Mixing Behavior of Surface-Confined Bicomponent Supramolecular Networks Using an Oriented External Electric Field

et al. 2017

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Ferroelectric liquid crystals: futuristic mesogens for photonic applications

Gupta¹,

Budaszewski

Singh

2022

Eur. Phys. J. Spec. Top.

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Effects of Electric Field on Liquid Crystals

Cited by 2 publications

References 15 publications

Nanoscale Control over the Mixing Behavior of Surface-Confined Bicomponent Supramolecular Networks Using an Oriented External Electric Field

Nanoscale Control over the Mixing Behavior of Surface-Confined Bicomponent Supramolecular Networks Using an Oriented External Electric Field

Ferroelectric liquid crystals: futuristic mesogens for photonic applications

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