DIRECT METHOD WITH TRIANGULAR WAVES FOR MEASURING SPONTANEOUS POLARIZATION IN FERROELECTRIC LIQUID-CRYSTALS

被引:479
作者
MIYASATO, K
ABE, S
TAKEZOE, H
FUKUDA, A
KUZE, E
机构
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1983年 / 22卷 / 10期
关键词
Ferroelectric materials;
D O I
10.1143/JJAP.22.L661
中图分类号
O59 [应用物理学];
学科分类号
摘要
It is proposed to apply the direct measurement of spontaneous polarizing using triangular waves to ferroelectric liquid crystals. The use of the triangular waves allows us to easily substract the background contribution due to the conductive and the capacitive current and to accurately determine the spontaneous polarization, since a bump due to the polarization realignment appears on a straight base line. Moreover, The experiment with pulsed triangular waves clearly reveals no existence of the threshold voltage for deforming the helix and some characteristics properties of the dynamic reaction of the helix to the field applied.
引用
收藏
页码:L661 / L663
页数:3
相关论文
共 11 条
  • [1] HOFFMANN J, 1978, MOL CRYST LIQ CRYST, V44, P287, DOI 10.1080/00268947808084986
  • [2] FERROELECTRICITY IN MIXTURES OF CHIRAL SMECTIC-C AND SMECTIC-A LIQUID-CRYSTALS
    IMASAKI, M
    FUJIMOTO, T
    NISHIHARA, T
    YOSHIOKA, T
    NARUSHIGE, Y
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1982, 21 (07): : 1100 - 1100
  • [3] FERROELECTRIC PROPERTIES OF SMECTIC C LIQUID-CRYSTALS WITH INDUCED HELICAL STRUCTURE
    KUCZYNSKI, W
    STEGEMEYER, H
    [J]. CHEMICAL PHYSICS LETTERS, 1980, 70 (01) : 123 - 126
  • [4] Loseva M. V., 1978, Pis'ma v Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, V28, P404
  • [5] MARTINOTLAGARDE P, 1977, J PHYS LETT-PARIS, V38, pL17, DOI 10.1051/jphyslet:0197700380101700
  • [6] FERROELECTRICITY IN THE MIXTURES OF CHIRAL WITH NON-CHIRAL SMECTIC-C
    MATSUMURA, H
    [J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1978, 49 (04): : 105 - 112
  • [7] OSTROVSKII BI, 1977, JETP LETT+, V25, P70
  • [8] FERROELECTRIC BEHAVIOR OF DIFFERENT CLASSES OF SMECTIC LIQUID-CRYSTALS
    OSTROVSKII, BI
    RABINOVICH, AZ
    SONIN, AS
    SORKIN, EL
    STRUKOV, BA
    TARASKIN, SA
    [J]. FERROELECTRICS, 1980, 24 (1-4) : 309 - 312
  • [9] FERROELECTRIC PROPERTIES OF CHIRAL SMECTIC LIQUID-CRYSTAL
    UEMOTO, T
    YOSHINO, K
    INUISHI, Y
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS, 1979, 18 (07) : 1261 - 1265
  • [10] UEMOTO T, 1981, MOL CRYST LIQ CRYST, V67, P137