Non-degenerate magnetic alignment of self-assembled mesophases

被引：19

作者：

Majewski, Pawe W. ^{[1
]}

Osuji, Chinedum O. ^{[1
]}

机构：

[1] Yale Univ, Dept Chem Engn, New Haven, CT 06511 USA

来源：

SOFT MATTER | 2009年 / 5卷 / 18期

基金：

美国国家科学基金会;

关键词：

BLOCK-COPOLYMERS; DIBLOCK COPOLYMER; INDUCED ORIENTATION; PHOTONIC-BANDGAP; THIN-FILMS; ARRAYS;

D O I：

10.1039/b910705c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We present a method, which we call "rotational annealing", for the production of uniquely defined (non-degenerate) magnetic alignments of self-assembled mesophases and demonstrate its effectiveness for realizing near single-crystal quality materials over relatively short timescales.

引用

页码：3417 / 3421

页数：5

共 31 条

[1] Magnetic orientation of microcylinders in liquid crystalline diblock copolymer and clarification of its orientation mechanism [J].

Adachi, Mitsu-aki ;

Takazawa, Fumihiro ;

Tomikawa, Naoki ;

Tokita, Masatoshi ;

Watanabe, Junji .

POLYMER JOURNAL, 2007, 39 (02) :155-162

[2] Graphoepitaxy of self-assembled block copolymers on two-dimensional periodic patterned templates [J].

Bita, Ion ;

Yang, Joel K. W. ;

Jung, Yeon Sik ;

Ross, Caroline A. ;

Thomas, Edwin L. ;

Berggren, Karl K. .

SCIENCE, 2008, 321 (5891) :939-943

[3] Large scale domain alignment of a block copolymer from solution using electric fields [J].

Böker, A ;

Knoll, A ;

Elbs, H ;

Abetz, V ;

Müller, AHE ;

Krausch, G .

MACROMOLECULES, 2002, 35 (04) :1319-1325

[4] Orientational switching of mesogens and microdomains in hydrogen-bonded side-chain liquid-crystalline block copolymers using AC electric fields [J].

Chao, CY ;

Li, XF ;

Ober, CK ;

Osuji, C ;

Thomas, EL .

ADVANCED FUNCTIONAL MATERIALS, 2004, 14 (04) :364-370

[5] Magnetic alignment of aqueous CTAB in nematic and hexagonal liquid crystalline phases investigated by spin-1 NMR [J].

Clawson, Jacalyn S. ;

Holland, Gregory P. ;

Alam, Todd M. .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2006, 8 (22) :2635-2641

[6] Directing the self-assembly of block copolymers [J].

Darling, S. B. .

PROGRESS IN POLYMER SCIENCE, 2007, 32 (10) :1152-1204

[7]

Edrington AC, 2001, ADV MATER, V13, P421, DOI 10.1002/1521-4095(200103)13:6<421::AID-ADMA421>3.0.CO

[8]

2-#

[9] Magnetic field induced alignment of the directors of a smectic-A liquid crystal [J].

Emsley, JW ;

Long, JE ;

Luckhurst, GR ;

Pedrielli, P .

PHYSICAL REVIEW E, 1999, 60 (02) :1831-1839

[10] Magnetic-field-induced orientational ordering of alkaline lyotropic silicate - surfactant liquid crystals [J].

Firouzi, A ;

Schaefer, DJ ;

Tolbert, SH ;

Stucky, GD ;

Chmelka, BF .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (40) :9466-9477

← 1 2 3 4 →