X-RAY STUDIES OF LIQUID-CRYSTALLINE PHASES OF POLYCATENAR SUBSTANCES EVIDENCE FOR A RECTANGULAR COLUMNAR STRUCTURE

被引：23

作者：

DIELE, S ^{[1
]}

ZIEBARTH, K ^{[1
]}

PELZL, G ^{[1
]}

DEMUS, D ^{[1
]}

WEISSFLOG, W ^{[1
]}

机构：

[1] VEB LABORCHEM APOLDA,BETRIEBSTEIL SPECIALCHEM,LEIPZIG,GERMANY

来源：

LIQUID CRYSTALS | 1990年 / 8卷 / 02期

关键词：

D O I：

10.1080/02678299008047342

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The liquid-crystalline phases of two series of bi-swallow tailed compounds have been investigated using textural observations and X-ray studies. Besides nematic and smectic phases a new phase type has been observed. This is characterized by a rectangular columnar structure. © 1990 Taylor and Francis Ltd.

引用

页码：211 / 216

页数：6

共 6 条

[1] LIQUID-CRYSTALS OF DISC-LIKE MOLECULES [J].

CHANDRASEKHAR, S ;

SADASHIVA, BK ;

SURESH, KA .

PRAMANA, 1977, 9 (05) :471-480

[2] PLENARY LECTURE - 100 YEARS OF LIQUID-CRYSTAL CHEMISTRY - THERMOTROPIC LIQUID-CRYSTALS WITH CONVENTIONAL AND UNCONVENTIONAL MOLECULAR-STRUCTURE [J].

DEMUS, D .

LIQUID CRYSTALS, 1989, 5 (01) :75-110

[3] COLUMNAR MESOPHASES FROM DISKLIKE CLUSTERS OF RODS [J].

GUILLON, D ;

SKOULIOS, A ;

MALTHETE, J .

EUROPHYSICS LETTERS, 1987, 3 (01) :67-72

[4] X-RAY-DIFFRACTION STUDIES OF BINARY-MIXTURES OF ROD-LIKE AND BIFORKED MESOGENIC MOLECULES [J].

LEVELUT, AM ;

FANG, Y ;

DESTRADE, C .

LIQUID CRYSTALS, 1989, 4 (04) :441-448

[5]

MALTHETE J, 1985, J PHYS LETT-PARIS, V46, pL875, DOI 10.1051/jphyslet:019850046018087500

[6]

Nguyen H.T., 1986, J PHYS-PARIS, V47

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