SURFACE-INDUCED DISCRETE SMECTIC ORDER IN THE ISOTROPIC-PHASE OF 12CB IN CYLINDRICAL PORES

被引：66

作者：

IANNACCHIONE, GS ^{[1
]}

MANG, JT ^{[1
]}

KUMAR, S ^{[1
]}

FINOTELLO, D ^{[1
]}

机构：

[1] KENT STATE UNIV,INST LIQUID CRYSTAL,KENT,OH 44242

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.73.2708

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Through specific-heat and x-ray scattering studies, we show the existence of surface-induced discrete smectic order in the isotropic phase for dodecylcyanobiphenyl (12CB) confined to Anopore membranes. A quantized smectic layer growth is promoted by the pore surface when treated with an aliphatic acid of varying chain length. No surface-induced smectic order develops in untreated or lecithin treated pores nor in liquid crystals that possess a nematic phase. © 1994 The American Physical Society.

引用

收藏

页码：2708 / 2711

页数：4

相关论文

共 30 条

[1] SYNCHROTRON X-RAY STUDIES OF LIQUID-VAPOR INTERFACES [J].

ALSNIELSEN, J .

PHYSICA A, 1986, 140 (1-2) :376-389

[2]

BELLINI T, 1992, PHYS REV LETT, V69, P2937

[3] X-RAY-SCATTERING STUDY OF SMECTIC ORDERING IN A SILICA AEROGEL [J].

CLARK, NA ;

BELLINI, T ;

MALZBENDER, RM ;

THOMAS, BN ;

RAPPAPORT, AG ;

MUZNY, CD ;

SCHAEFER, DW ;

HRUBESH, L .

PHYSICAL REVIEW LETTERS, 1993, 71 (21) :3505-3508

[4]

CRAWFORD GNC, IN PRESS

[5] SURFACE-INDUCED ORIENTATIONAL ORDER IN THE ISOTROPIC-PHASE OF A LIQUID-CRYSTAL MATERIAL [J].

CRAWFORD, GP ;

STANNARIUS, R ;

DOANE, JW .

PHYSICAL REVIEW A, 1991, 44 (04) :2558-2569

[6] CHARACTERIZATION OF THE CYLINDRICAL CAVITIES OF ANOPORE AND NUCLEOPORE MEMBRANES [J].

CRAWFORD, GP ;

STEELE, LM ;

ONDRISCRAWFORD, R ;

IANNACCHIONE, GS ;

YEAGER, CJ ;

DOANE, JW ;

FINOTELLO, D .

JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (10) :7788-7796

[7] ORDERING AND SELF-DIFFUSION IN THE 1ST MOLECULAR LAYER AT A LIQUID-CRYSTAL POLYMER INTERFACE [J].

CRAWFORD, GP ;

YANG, DK ;

ZUMER, S ;

FINOTELLO, D ;

DOANE, JW .

PHYSICAL REVIEW LETTERS, 1991, 66 (06) :723-726

[8] ANCHORING AND ORIENTATIONAL WETTING TRANSITIONS OF CONFINED LIQUID-CRYSTALS [J].

CRAWFORD, GP ;

ONDRISCRAWFORD, R ;

ZUMER, S ;

DOANE, JW .

PHYSICAL REVIEW LETTERS, 1993, 70 (12) :1838-1841

[9] THE FORMATION OF CONTROLLED-POROSITY MEMBRANES FROM ANODICALLY OXIDIZED ALUMINUM [J].

FURNEAUX, RC ;

RIGBY, WR ;

DAVIDSON, AP .

NATURE, 1989, 337 (6203) :147-149

[10] INTERFACE INFLUENCED PHASE-TRANSITIONS OF ALKYLCYANOBIPHENYL LIQUID-CRYSTALS - A CALORIMETRIC STUDY [J].

IANNACCHIONE, G ;

STRIGAZZI, A ;

FINOTELLO, D .

LIQUID CRYSTALS, 1993, 14 (04) :1153-1161