A chiral material with a new phase sequence: twist grain boundary smectic C phase-smectic blue phases

被引：10
作者：
Grelet, E [1 ]
Pansu, B
Nguyen, HT
机构：
[1] Univ Paris 11, Phys Solide Lab, UMR 8502, F-91405 Orsay, France
[2] Ctr Rech Paul Pascal, UPR 8641, F-33600 Pessac, France
来源：
LIQUID CRYSTALS | 2001年 / 28卷 / 07期
关键词：
D O I：
10.1080/02678290110054816
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new phase sequence: twist grain boundary smectic C (TGBC) to smectic blue phases (BP(Sm)) is observed in a chiral compound (S)- or (R)-1-methyloctyl 3'-fluoro-4'-(3-fluoro-4-hexadecyloxybenzoyloxy)tolane-4-carboxylate. It is the first time that a TGBC phase has been found to occur under smectic blue phases in the absence of the twist grain boundary smectic A (TGBA) phase. These phases are characterized by polarizing optical microscopy, differential scanning calorimetry and X-ray scattering.
引用
收藏
页码：1121 / 1125
页数：5
相关论文
共 14 条
  • [1] ANALOGY BETWEEN SUPERCONDUCTORS AND SMECTICS-A
    DEGENNES, PG
    [J]. SOLID STATE COMMUNICATIONS, 1972, 10 (09) : 753 - &
  • [2] Silver behenate powder as a possible low-angle calibration standard for small-angle neutron scattering
    Gilles, R
    Keiderling, U
    Wiedenmann, A
    [J]. JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1998, 31 (pt 6) : 957 - 959
  • [3] CHARACTERIZATION OF A NEW HELICAL SMECTIC LIQUID-CRYSTAL
    GOODBY, JW
    WAUGH, MA
    STEIN, SM
    CHIN, E
    PINDAK, R
    PATEL, JS
    [J]. NATURE, 1989, 337 (6206) : 449 - 452
  • [4] Structural investigations on smectic blue phases
    Grelet, E
    Pansu, B
    Li, MH
    Nguyen, HT
    [J]. PHYSICAL REVIEW LETTERS, 2001, 86 (17) : 3791 - 3794
  • [5] Phase behavior and blue-phase-III-isotropic critical point in (R)-(S) mixtures of a chiral liquid crystal with a direct twist-grain-boundary to blue-phase transition
    Jamée, P
    Pitsi, G
    Li, MH
    Nguyen, HT
    Sigaud, G
    Thoen, J
    [J]. PHYSICAL REVIEW E, 2000, 62 (03): : 3687 - 3693
  • [6] Kamien RD, 1997, J PHYS II, V7, P743, DOI 10.1051/jp2:1997156
  • [7] SUPERCRITICAL CONVERSION OF THE 3RD BLUE PHASE TO THE ISOTROPIC-PHASE IN A HIGHLY CHIRAL LIQUID-CRYSTAL
    KUTNJAK, Z
    GARLAND, CW
    PASSMORE, JL
    COLLINGS, PJ
    [J]. PHYSICAL REVIEW LETTERS, 1995, 74 (24) : 4859 - 4862
  • [8] Blue phases and twist grain boundary phases (TGBA and TGBC) in a series of fluoro-substituted chiral tolane derivatives
    Li, MH
    Laux, V
    Nguyen, HT
    Sigaud, G
    Barois, P
    Isaert, N
    [J]. LIQUID CRYSTALS, 1997, 23 (03) : 389 - 408
  • [9] NGUYEN HT, 1889, J PHYS, V2
  • [10] X-ray scattering by monodomains of blue phases with smectic ordering
    Pansu, B
    Li, MH
    Nguyen, HT
    [J]. EUROPEAN PHYSICAL JOURNAL B, 1998, 2 (02) : 143 - 146
12