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Configuration transitions of nematic droplets in PDLC
Zhou, FS; ZhongCan, OY; Xu, SY; Gao, HJ; Zang, BZ; You, SJ; Zhou, FS , TSING HUA UNIV,DEPT CHEM,BEIJING ENGN RES CTR LIQUID CRYSTAL TECHNOL,BEIJING 100084,PEOPLES R CHINA.
1997
发表期刊MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
ISSN1058-725X
卷号304期号:1页码:47-58
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.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Phase-transition Liquid-crystals
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12538
专题理论物理所SCI论文
通讯作者Zhou, FS , TSING HUA UNIV,DEPT CHEM,BEIJING ENGN RES CTR LIQUID CRYSTAL TECHNOL,BEIJING 100084,PEOPLES R CHINA.
推荐引用方式
GB/T 7714
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.
APA Zhou, FS.,ZhongCan, OY.,Xu, SY.,Gao, HJ.,Zang, BZ.,...&Zhou, FS , TSING HUA UNIV,DEPT CHEM,BEIJING ENGN RES CTR LIQUID CRYSTAL TECHNOL,BEIJING 100084,PEOPLES R CHINA..(1997).Configuration transitions of nematic droplets in PDLC.MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,304(1),47-58.
MLA Zhou, FS,et al."Configuration transitions of nematic droplets in PDLC".MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS 304.1(1997):47-58.
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