DIELECTRIC-RELAXATION PROCESSES IN A MODEL FERROELECTRIC LIQUID-CRYSTAL

被引:24
|
作者
WROBEL, S
HAASE, W
PFEIFFER, M
BERESNEV, L
GEELHAAR, T
机构
[1] JAGIELLONIAN UNIV,INST PHYS,PL-30059 KRAKOW,POLAND
[2] ACAD SCI USSR,INST CRYSTALLOG,MOSCOW 117333,USSR
[3] E MERCK AG,W-6100 DARMSTADT,GERMANY
来源
关键词
DIELECTRIC RELAXATION; FERROELECTRIC;
D O I
10.1080/10587259208037275
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The soft mode, Goldstone mode and a new ferroelectric mode have been detected in the Sm C* phase of a fluorinated compound. The dielectric increment of the Goldstone mode found in the Sm G* phase is by about one order of magnitude lower in comparison with that found in the Sm C phase. In addition to collective processes, in both chiral phases a biased reorientation of molecules around their long axes contributes to the dielectric increment. © 1992, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:335 / 343
页数:9
相关论文
共 50 条
  • [31] ON THE CALCULATION OF THE DIELECTRIC-RELAXATION TIMES OF A NEMATIC LIQUID-CRYSTAL FROM THE NON-INERTIAL LANGEVIN EQUATION
    COFFEY, WT
    KALMYKOV, YP
    LIQUID CRYSTALS, 1993, 14 (04) : 1227 - 1236
  • [32] MOLECULAR MECHANISMS OF DIELECTRIC-RELAXATION IN LIQUID-CRYSTAL 4-NITROPHENYLENE-4'-N-OCTYLOXYBENZOATE
    RIUMTSEV, EI
    POLUSHIN, SG
    KOVSHIK, AP
    ROTINIAN, TA
    TSVETKOV, VN
    DOKLADY AKADEMII NAUK SSSR, 1978, 239 (05): : 1150 - 1153
  • [33] DIELECTRIC-RELAXATION IN A MIXTURE OF A SIDE-CHAIN LIQUID-CRYSTALLINE POLYMER AND A LOW-MOLECULAR LIQUID-CRYSTAL
    KRESSE, H
    KOSTROMIN, SG
    SHIBAEV, VP
    LIQUID CRYSTALS, 1989, 6 (03) : 333 - 339
  • [34] DYNAMIC PROCESSES IN FERROELECTRIC LIQUID-CRYSTAL FILLED CELLS
    ELSTON, SJ
    SAMBLES, JR
    LIQUID CRYSTALS, 1991, 10 (04) : 569 - 574
  • [35] DIELECTRIC-RELAXATION IN LIQUID TRICHLOROACETONITRILE
    PAJDOWSKA, M
    HAWRANEK, JP
    SZOSTAK, R
    SOBCZYK, L
    JOURNAL OF MOLECULAR LIQUIDS, 1987, 34 (1-3) : 231 - 239
  • [36] Dielectric relaxation modes in ferroelectric liquid crystal mixtures
    Ahuja, JK
    Gathania, AK
    Raina, KK
    MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2001, 366 : 2123 - +
  • [37] Ferroelectric, electroactive, and dielectric-relaxation behavior of fluoropolymers
    Ang, C
    Yu, Z
    ADVANCED MATERIALS, 2004, 16 (12) : 979 - +
  • [38] DIPOLE MOLECULAR-STRUCTURE AND DIELECTRIC-RELAXATION IN THE LIQUID-CRYSTAL 4-P-NITROTHIOPHENYL-4'-HEXYLOXYBENZOATE
    ADKHAMOV, AA
    RIUMTSEV, EI
    SABUROV, BS
    MALLABOEV, U
    RADZHAB, IU
    ADOMENAS, PV
    DOKLADY AKADEMII NAUK SSSR, 1989, 306 (06): : 1393 - 1396
  • [39] THICKNESS DEPENDENCE OF DIELECTRIC-PROPERTIES OF A FERROELECTRIC LIQUID-CRYSTAL
    RASZEWSKI, Z
    RUTKOWSKA, J
    KEDZIERSKI, J
    ZIELINSKI, J
    ZMIJA, J
    DABROWSKI, R
    MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1992, 223 : 259 - 267
  • [40] THE HIGH-FREQUENCY DIELECTRIC RESPONSE OF A FERROELECTRIC LIQUID-CRYSTAL
    COSTELLO, PG
    KALMYKOV, YP
    VIJ, JK
    LIQUID CRYSTALS, 1993, 14 (02) : 469 - 473