X-Ray Studies in a Reentrant Liquid Crystal Phase

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概要

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• X-ray diffraction and EXAFS measurements have been carried out in a mixture oftwo kinds of liquid crystals; 4-(4-heptyloxy-benzoyloxy) benzylidene-4-cyanoaniline45.5 [1101% and 4-cyanophenyl 4-(4-nonyloxy-3-bromobenzoyloxy) benzoate 54.5mold, where the r>hase transitions occur as followinz sectuence with decreasinxtemperature; isotropic liquid, nematic, smectic-Ad(1), reentrant nematic, smectic-Ad(2) and solid phases. It is found that in the reentrant nematic phase, the smectic-Ad(l) phase and the smectic-Ad(2) phase coexist with the short-range ordering. Thelocal structures obtained from the EXAFS spectra in the directions parallel andperpendicular to the director (long axis of molecule) of the liquid crystal are discuss-ed.

• 社団法人日本物理学会の論文
• 1986-03-15

著者

• TERAUCHI Hikaru

  Faculty of Science,Kwansei-Gakuin University

• Terauchi Hikaru

  Faculty Of Science Kwansei-gakuin University

• Sakashita Hirofumi

  Faculty Of Science Kwansei-gakuin University

• KUSABAYASHI Shigekazu

  Faculty of Engineering, Yamaguchi University

• Terauchi Hikaru

  Faculty Of Science Kansei Gakuin University

• Nishihata Yasuo

  Faculty Of Science Kwansei-gakuin University

• Takenaka S

  Department Of Materials Science And Engineering Faculty Of Engineering Yamaguchi University

• TAKENAKA Shunsuke

  Faculty of Engineering,Osaka University

• Kusabayashi Shigekazu

  Faculty Of Engineering Osaka University

関連論文

• X-Ray diffraction Study of Generalized Fibonacci Lattices
• Raman Studies on Thue-Morse Lattices
• X-Ray Diffraction Patterns of Configurational Fibonacci Lattices
• The Effect of Molecular Structure on Liquid Crystal Properties in Binary Mixtures
• X-Ray Critical Scattering in NH_4Br
• X-Ray Halo Scattering from Liquid Crystals
• Small Angle X-Ray Scattering near Nematic-Isotropic Transition Temperature
• X-Ray Study of Phase Transition in Liquid Crystals
• X-Ray Study of Phase Transition in NaNO_3
• Phase Transition in C_3H_7NH_3H_2PO_4 Single Crystal
• Liquid-Crystalline Properties of Alkyl 4-[2-(Perfluorooctyl)ethoxy]benzoates
• Synthesis and Thermal Properties of Some Benzenes Incorporating a Perfluoroalkyl Chain
• Confermational Effect of a Lateral Alkoxy Group on Mesomorphic Properties
• Study of Local Atomic Order in a Ternary Cu_Ni_Zn_ Alloy Using Anomalous Scattering of Synchrotron Radiation
• X-Ray Studies in a Reentrant Liquid Crystal Phase
• Structural Phase Transition in K_2SeO_4
• X-Ray Scattering from a Smectic Liquid Crystal
• X-ray Critical Scattering in NiCr_2O_4
• Kohn Anomaly in Two-Dimensional Ag_2F Crystal
• X-Ray Study of Phase Transition in (NH_4)_2BeF_4
• Fluctuation of Smectic Phase Order Parameter in Nematic Phase

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