由弯曲核分子构成的极性柱状中间相的切换机制
软凝聚态物质
2007-05-23 v1
摘要
研究了由弯曲形分子构成的极性柱状相（B_1Rev 和 B_1RevTilted）在施加电场下的行为。在极性 B_1RevTilted 柱状相中存在两种竞争的切换机制：绕分子长轴的集体旋转和绕倾斜锥的集体旋转。对于反铁电 B_1RevTilted 相，分别观察到了单稳态和双稳态光学切换。区分切换类型的主要因素是柱截面的宽度。
引用
@article{arxiv.cond-mat/0409341,
title = {Switching mechanism in polar columnar mesophases made of bent-core molecules},
author = {Ewa Gorecka and Natasa Vaupotic and Damian Pociecha and Mojca Cepic and Josef Mieczkowski},
journal= {arXiv preprint arXiv:cond-mat/0409341},
year = {2007}
}
备注
19 pages including figures and tables. Submitted to PRE (21st May 2004) Resubmitted to PRE (21st July 2004)