FERROELECTRIC LIQUID-CRYSTAL AND SOLID-PHASES FORMED BY STRONGLY INTERACTING DIPOLAR SOFT SPHERES

被引:147
作者
WEI, DQ
PATEY, GN
机构
[1] Department of Chemistry, University of British Columbia, Vancouver
来源
PHYSICAL REVIEW A | 1992年 / 46卷 / 12期
关键词
D O I
10.1103/PhysRevA.46.7783
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Molecular-dynamics simulation results are reported for systems of strongly interacting dipolar soft spheres. Calculations have been carried out along two isotherms and the structure of the liquid-crystal and solid phases obtained is described in detail. It is found that in addition to the ferroelectric nematic phase we previously reported [Phys. Rev. Lett. 68, 2043 (1992)], liquid crystals with columnar order can also be obtained. The model freezes to form a ferroelectric solid which is shown to have a tetragonal I crystal structure The influence of different boundary conditions upon the simulation results is also discussed.
引用
收藏
页码:7783 / 7792
页数:10
相关论文
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