PHOTOMECHANICALLY INDUCED PHASE-TRANSITIONS IN FERROELECTRIC LIQUID-CRYSTALS

被引:45
作者
COLES, HJ
WALTON, HG
GUILLON, D
POETTI, G
机构
[1] IPCMS,F-67083 STRASBOURG,FRANCE
[2] UNIV CAMERINO,DIPARTIMENTO SCI CHIM,I-62032 CAMERINO,ITALY
关键词
D O I
10.1080/02678299308036474
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We demonstrate that the addition of small amounts of a novel azo-dye to a ferroelectric liquid crystal and illumination with low intensity (approximately 0.8 mW cm-2) UV light can result in reversible, isothermal phase transitions and dramatic changes in the properties of the system. In particular we examine light induced transitions between the S(I)* and S(C)* phases and the consequent photomechanical regulation of spontaneous polarization.
引用
收藏
页码:551 / 558
页数:8
相关论文
共 15 条
  • [11] PHOTOINDUCED PHASE-TRANSITIONS IN AZOBENZENE-DOPED LIQUID-CRYSTALS
    LEGGE, CH
    MITCHELL, GR
    [J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 1992, 25 (03) : 492 - 499
  • [12] MEYER RB, 1975, J PHYS LETT-PARIS, V36, pL69, DOI 10.1051/jphyslet:0197500360306900
  • [13] DIRECT METHOD WITH TRIANGULAR WAVES FOR MEASURING SPONTANEOUS POLARIZATION IN FERROELECTRIC LIQUID-CRYSTALS
    MIYASATO, K
    ABE, S
    TAKEZOE, H
    FUKUDA, A
    KUZE, E
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1983, 22 (10): : L661 - L663
  • [14] DIRECTOR STRUCTURES OF A CHIRAL SMECTIC I LIQUID-CRYSTAL IN THE SURFACE STABILIZED GEOMETRY
    SHAO, RF
    ZHUANG, ZM
    CLARK, NA
    [J]. FERROELECTRICS, 1991, 122 (1-4) : 213 - &
  • [15] PHOTOCHEMICAL SWITCHING IN CONDUCTIVE LANGMUIR-BLODGETT FILMS
    TACHIBANA, H
    NAKAMURA, T
    MATSUMOTO, M
    KOMIZU, H
    MANDA, E
    NIINO, H
    YABE, A
    KAWABATA, Y
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (08) : 3080 - 3081