TITLE

Pattern formation in a polymer thin film induced by an in-plane electric field

AUTHOR(S)
Salac, David; Wei Lu; Chia-Wei Wang; Sastry, Ann Marie
PUB. DATE
August 2004
SOURCE
Applied Physics Letters;8/16/2004, Vol. 85 Issue 7, p1161
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This letter reports experimental work involving use of an in-plane electric field to induce morphological patterns in a thin polymer film. The film was first spin coated onto a glass wafer. Then, it was heated to above its glass transition temperature to achieve mobility in the fluid. An in-plane electric field was applied using two parallel electrodes, spaced 10 mm apart, whereupon the initially flat polymer/air interface lost stability and formed islands. The self-assembled islands exhibited a narrow size distribution and demonstrated spatial ordering. We attribute the pattern formation to a combined mechanism of minimization of combined interface energy and electrostatic energy.
ACCESSION #
14085042

 

Related Articles

  • Infrared transparent carbon nanotube thin films. Liangbing Hu; Hecht, David S.; Grüner, George // Applied Physics Letters;2/23/2009, Vol. 94 Issue 8, p081103 

    We have measured the infrared properties of optically transparent and electrically conductive single walled carbon nanotube thin films. We found that nanotube films with sheet resistance values of 200 ࡎ/sq show outstanding transmittance in the infrared range up to at least 22 μm, with an...

  • Electric-field-induced monoclinic phase in (Ba,Sr)TiO3 thin film. Anokhin, A. S.; Yuzyuk, Yu. I.; Golovko, Yu. I.; Mukhortov, V. M.; El Marssi, M. // Journal of Applied Physics;Apr2011, Vol. 109 Issue 7, p074111 

    We have studied electric-field-induced symmetry lowering in the tetragonal (001)-oriented heteroepitaxial (Ba0.8 Sr0.2)TiO3 thin film deposited on (001)MgO substrate. Polarized micro-Raman spectra were recorded from the film area in between two planar electrodes deposited on the film surface....

  • Polarization switching kinetics of epitaxial Pb(Zr0.4Ti0.6)O3 thin films. So, Y. W.; Kim, D. J.; Noh, T. W.; Jong-Gul Yoon; Song, T. K. // Applied Physics Letters;2/28/2005, Vol. 86 Issue 9, p092905 

    The polarization switching kinetics of epitaxial Pb(Zr0.4Ti0.6)O3 thin films were investigated by measuring write pulse-width dependences of switched polarization ΔP(t) under various applied electric fields. It was found that ΔP(t) follows the predictions of the...

  • Fiber-optic based method for the measurements of electric-field induced displacements in ferroelectric materials. Vyshatko, Nikolai P.; Brioso, Paulo M.; de la Cruz, Javier Pérez; Vilarinho, Paula M.; Kholkin, Andrei L. // Review of Scientific Instruments;Aug2005, Vol. 76 Issue 8, p085101 

    A novel technique for the measurements of electric field-induced displacements in ferroelectric materials is presented. The method relies on a high sensitivity of the fiber-optic probe (Fotonic Sensorâ„¢, MTI Inc.) that measures the displacement of a specially designed cantilever beam having...

  • In-rich In1-xGaxN films by metalorganic vapor phase epitaxy. Chang, Chin-An; Chuan-Feng Shih; Nai-Chuan Chen; Lin, T. Y.; Kuo-Shiun Liu // Applied Physics Letters;12/20/2004, Vol. 85 Issue 25, p6131 

    Single crystalline In1-xGaxN films containing high In content (70%–100%) were grown by metalorganic vapor phase epitaxy. A linear relation was observed between the lattice constants and gas phase Ga/In ratios. The surface morphology changed from pyramid for InN to more planar ones for the...

  • Effects of applied electric field during postannealing on the tunable properties of (Ba,Sr)TiO3 thin films. Yidong Xia; Jinbo Cheng; Bai Pan; Di Wu; Xiangkang Meng; Zhiguo Liu // Applied Physics Letters;8/1/2005, Vol. 87 Issue 5, p052902 

    The impact of postannealing in electric field on the structure, tunability, and dielectric behavior of rf magnetron sputtering derived (Ba,Sr)TiO3 films has been studied. It has been demonstrated that postannealing in the proper electric field can increase the dielectric constant and the...

  • HIGHLY RESISTIVE STATES IN POLYCRYSTALLINE La0.67Ca0.33MnO3 THIN FILMS. Anisimovas, F.; AŠmontas, S.; Gradauskas, J.; Jukna, A.; Kiprijanoviča, O.; Vengalis, B. // International Conference: Radiation Interaction with Material & ;2012, p161 

    Electroresistive properties of polycrystalline La0.67Ca0.33MnO3 thin films have been investigated in 80-300 K temperature range. Nanosecond electrical pulses were used to create electric field within the samples. The resistance of the films was strongly suppressed by the applied electric filed....

  • Properties of a solid state device with mobile dopants: Analytic analysis for the thin film device. Gil, Y.; Umurhan, O. M.; Riess, I. // Journal of Applied Physics;Oct2008, Vol. 104 Issue 8, p084504 

    Current-voltage relations, electric field, and charge distribution profiles are calculated for a device in which the dopants are mobile. The thin film limit is discussed. The model solved is restricted to: (a) mobile holes and acceptors, (b) steady state, and (c) metal electrodes which block the...

  • Fabrication of PbLa0.05TiO3/Pb1.20(Zr0.52Ti0.48)O3/PbLa0.05TiO3 ferroelectric structure on platinum electrodes by a sol-gel process. Ezhilvalavan, S.; Samper, Victor D.; Ying, Jackie Y. // Applied Physics Letters;12/19/2005, Vol. 87 Issue 25, p252907 

    Ferroelectric PbLa0.05TiO3/Pb1.20(Zr0.52Ti0.48)O3/PbLa0.05TiO3 (PLT/PZT/PLT) thin films were fabricated on platinum-coated silicon wafers using a sol-gel process. The PbLa0.05TiO3 layers between the PZT and Pt electrode are used as seeding layers to improve the crystallization and can greatly...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics