Pillar-Assisted Epitaxial Assembly of Toric Focal Conic Domains of Smectic-A Liquid Crystals

被引：52

作者：

Honglawan, Apiradee ^{[2
]}

Beller, Daniel A. ^{[1
]}

Cavallaro, Marcello ^{[2
]}

Kamien, Randall D. ^{[1
]}

Stebe, Kathleen J. ^{[2
]}

Yang, Shu ^{[2
,3
]}

机构：

[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[2] Univ Penn, Dept Chem & Biomol Engn, Philadelphia, PA 19104 USA

[3] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

来源：

ADVANCED MATERIALS | 2011年 / 23卷 / 46期

基金：

美国国家科学基金会;

关键词：

hierarchical structures; pillar assisted assembly; epitaxial assembly; liquid crystals; BLOCK-COPOLYMERS; GRAPHOEPITAXY; PHASE;

D O I：

10.1002/adma.201103008

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

SU-8 pillar-assisted epitaxial assembly of toric focal conic domains (TFCDs) arrays of smectic-A liquid crystals is studied. The 3D nature of the pillar array is crucial to confine and direct the formation of TFCDs on the top of each pillar and between neighboring pillars, leading to highly ordered square and hexagonal array TFCDs. Excellent agreement between the experimentally obtained critical pillar diameter and elasticity calculation is found.

引用

页码：5519 / +

页数：6

共 23 条

[21] Electric field-induced nucleation and growth of focal-conic and stripe domains in a smectic A liquid crystal
Garg, S
Purdy, K
Bramley, E
Smalyukh, II
Lavrentovich, OD
LIQUID CRYSTALS, 2003, 30 (12) : 1377 - 1390
[22] OILY STREAKS AND FOCAL CONIC DOMAINS IN L-ALPHA LYOTROPIC LIQUID-CRYSTALS
BOLTENHAGEN, P
LAVRENTOVICH, O
KLEMAN, M
JOURNAL DE PHYSIQUE II, 1991, 1 (10): : 1233 - 1252
[23] Topological Defect-Guided Regular Stacking of Focal Conic Domains in Hybrid-Aligned Smectic Liquid Crystal Shells
Noh, JungHyun
Lagerwall, Jan P. F.
CRYSTALS, 2021, 11 (08)

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