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Discovery of New Metastable Patterns in Diblock Copolymers

Published online by Cambridge University Press:  03 June 2015

Kai Jiang,
Chu Wang,
Yunqing Huang and
Pingwen Zhang
Kai Jiang*
Affiliation:
LMAM and School of Mathematical Sciences, Peking University, Beijing 100871, P.R. ChinaHunan Key Laboratory for Computation and Simulation in Science and Engineering, Xiangtan University, Xiangtan 411105, P.R. China
Chu Wang*
Affiliation:
LMAM and School of Mathematical Sciences, Peking University, Beijing 100871, P.R. China
Yunqing Huang*
Affiliation:
Hunan Key Laboratory for Computation and Simulation in Science and Engineering, Xiangtan University, Xiangtan 411105, P.R. China
Pingwen Zhang*
Affiliation:
LMAM and School of Mathematical Sciences, Peking University, Beijing 100871, P.R. China
*
Email:chu.wang.pku@gmail.com
Email:huangyq@xtu.edu.cn
Corresponding author.Email:pzhang@pku.edu.cn
Email:jiangkai@pku.edu.cn
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Abstract

The ordered patterns formed by microphase-separated block copolymer systems demonstrate periodic symmetry, and all periodic structures belong to one of 230 space groups. Based on this fact, a strategy of estimating the initial values of self-consistent field theory to discover ordered patterns of block copolymers is developed. In particular, the initial period of the computational box is estimated by the Landau-Brazovskii model as well. By planting the strategy into the whole-space discrete method, several new metastable patterns are discovered in diblock copolymers.

Keywords

65M7076A15Metastable patternsdiblock copolymersself-consistent field theory (SCFT)space group theoryinitial values

Information

Type
Research Article
Information
Communications in Computational Physics , Volume 14 , Issue 2 , August 2013, pp. 443 - 460
Copyright
Copyright © Global Science Press Limited 2013

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