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题名: Configuration transitions of nematic droplets in PDLC
作者: Zhou, FS ;  ZhongCan, OY ;  Xu, SY ;  Gao, HJ ;  Zang, BZ ;  You, SJ
刊名: MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
出版日期: 1997
卷号: 304, 期号:1, 页码:47-58
关键词: PHASE-TRANSITION ;  LIQUID-CRYSTALS
学科分类: Physics
通讯作者: Zhou, FS , TSING HUA UNIV,DEPT CHEM,BEIJING ENGN RES CTR LIQUID CRYSTAL TECHNOL,BEIJING 100084,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: A general equilibrium equation, including the saddle-splay elastic constant K-24, of director configurations of nematic droplets in PDLC with weak homeotropic anchoring is obtained. Numerical simulation shows that: 1) A transition from the axial structure to the bipolar structure occurs at certain threshold value of the ratio of the anchoring strength sigma and the electric field strength xi; 2) A nearly homogeneous orientation of the directors occurs when sigma/xi decreases to a certain value; 3) Increasing sigma/xi can induce a transition from the radial structure to the axial structure; 4) K-24 is insensitive to both the radial structure and the axial structure. Optical patterns of droplets with different configurations viewed under polarized optical microscope were also simulated. The numerical method used in the present work is different from that used in previous works and maybe useful in case of more complex boundary conditions.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12538
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhou, FS,ZhongCan, OY,Xu, SY,et al. Configuration transitions of nematic droplets in PDLC[J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,1997,304(1):47-58.
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