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arXiv 1006.3589cond-mat.soft
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溶致变色液晶的表面取向和锚定转变

Surface alignment and anchoring transitions in nematic lyotropic chromonic liquid crystal

V. G. Nazarenko, O. P. Boiko, H. -S. Park, O. M. Brodyn, M. M. Omelchenko, L. Tortora, Yu. A. Nastishin, O. D. Lavrentovich

摘要:

溶致发色液晶(LCLC)的表面取向不仅可以是平面的(切向的),而且可以是垂直的,其中自组装聚集体垂直于基板,如通过映射光学延迟和通过指向矢场的三维成像所证明的。随着时间的推移,垂面对称线经历到切向状态的转变。锚定过渡是不连续的,可以用双阱锚定势来描述,其中两个极小值对应于切向和垂面取向。

英文摘要:

The surface alignment of lyotropic chromonic liquid crystals (LCLCs) can be not only planar (tangential) but also homeotropic, with self-assembled aggregates perpendicular to the substrate, as demonstrated by mapping optical retardation and by three-dimensional imaging of the director field. With time, the homeotropic nematic undergoes a transition into a tangential state. The anchoring transition is discontinuous and can be described by a double-well anchoring potential with two minima corresponding to tangential and homeotropic orientation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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