STRONG-SEGREGATION THEORY OF BICONTINUOUS PHASES IN BLOCK-COPOLYMERS

被引：93
|
作者：
OLMSTED, PD
MILNER, ST
机构：
[1] Exxon Research and Engineering Company, Corporate Research Science Laboratories, Annandale
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.72.936
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We compute phase diagrams for diblock copolymers in the strong-segregation regime as a function of volume fraction phi. We include the ordered bicontinuous double-diamond (OBDD) phase, which is found to be stable between cylinders and lamellae, consistent with experiment, for phi (or 1 - phi) between 0.19 and 0.27. Our phase diagram relies on taking into account the hexagonal shape of the unit cell for the cylindrical phase, and the unique geometry of the OBDD phase.
引用
收藏
页码：936 / 939
页数：4
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