Electric field mediated growth habits in B7

Y. Yusuf; Y. Hidaka; S. Kai; H. R. Brand; P. E. Cladis; W. Weissflog; G. Pelzl

doi:10.1080/00150190214430

Electric field mediated growth habits in B7

Y. Yusuf, Y. Hidaka, S. Kai, H. R. Brand, P. E. Cladis, W. Weissflog, G. Pelzl

Applied Physics

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The ground state of the novel liquid crystal phase formed by achiral banana-shaped nitro-molecules and known as B7 is not understood. While spirals and myelins spontaneously appear on cooling from the isotropic liquid, neither mature to form B7 monocrystals. We tried suppressing the flow associated with these growth transients by applying large electric fields to thin samples (1-4 μm thick). While a field untwists some spirals and coarsens the less mobile myelin textures, it stimulates even more flow and a B7 texture with variable but exceedingly small length scales.

Original language	English
Pages (from-to)	171-178
Number of pages	8
Journal	Ferroelectrics
Volume	276
DOIs	https://doi.org/10.1080/00150190214430
Publication status	Published - Jan 1 2002

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1080/00150190214430

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AU - Cladis, P. E.

AU - Weissflog, W.

AU - Pelzl, G.

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AB - The ground state of the novel liquid crystal phase formed by achiral banana-shaped nitro-molecules and known as B7 is not understood. While spirals and myelins spontaneously appear on cooling from the isotropic liquid, neither mature to form B7 monocrystals. We tried suppressing the flow associated with these growth transients by applying large electric fields to thin samples (1-4 μm thick). While a field untwists some spirals and coarsens the less mobile myelin textures, it stimulates even more flow and a B7 texture with variable but exceedingly small length scales.

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JO - Ferroelectrics

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Electric field mediated growth habits in B7

Abstract

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