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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. China Hunan 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
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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