Electrohydrodynamic instabilities in polymer films

被引：257

作者：

Schäffer, E

Thurn-Albrecht, T

Russell, TP

Steiner, U

机构：

[1] Univ Groningen, Ctr Mat Sci, Dept Polymer Chem, NL-9747 AG Groningen, Netherlands

[2] Univ Konstanz, Fak Phys, D-78456 Constance, Germany

[3] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA

来源：

EUROPHYSICS LETTERS | 2001年 / 53卷 / 04期

关键词：

D O I：

10.1209/epl/i2001-00183-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied the influence of electric fields on highly viscous polymer films. An electrohydrodynamic (EHD) instability causes a wave pattern with a characteristic wavelength lambda, leading to an array of polymer columns which span the gap of a capacitor device. When represented as a master curve, the data is quantitatively described by an EHD model, without any adjustable parameters. Our results suggest that EHD experiments using polymer lms are well suited to study non-equilibrium pattern formation in quasi two-dimensional systems.

引用

页码：518 / 524

页数：7

共 28 条

[1] ALIGNMENT OF LAMELLAR BLOCK-COPOLYMER MICROSTRUCTURE IN AN ELECTRIC-FIELD .2. MECHANISMS OF ALIGNMENT [J].