Material parameters ensuring stability of the twist-bend nematic phase

被引：1
|
作者：
Buczkowska, Mariola [1 ]
机构：
[1] Lodz Univ Technol, Inst Phys, Lodz, Poland
来源：
LIQUID CRYSTALS | 2024年 / 51卷 / 05期
关键词：
Twist-bend nematics; modulated nematic phases; material parameters; helical nematic phases; LIQUID-CRYSTAL; PITCH;
D O I：
10.1080/02678292.2024.2333318
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Properties of the theoretical model of the twist-bend nematic phase (N-TB) proposed by Barbero et al. were taken into account. In particular, the role of material parameters that determine the free energy density of the phase was investigated. The regions in parameter space ensuring stability of the N-TB were found. Relationships between the parameters, tilt angle and pitch were presented. The ranges of parameters that lead to long (short) pitch and large (small) tilt angle were distinguished. The results allow to obtain useful sets of parameters suitable for studies of stable twist-bend nematic phase.
引用
收藏
页码：852 / 856
页数：5
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