LAMELLAR PHASE IN A MODEL FOR BLOCK COPOLYMERS

被引:24
作者
CHAKRABARTI, A [1 ]
GUNTON, JD [1 ]
机构
[1] LEHIGH UNIV,DEPT PHYS,BETHLEHEM,PA 18015
来源
PHYSICAL REVIEW E | 1993年 / 47卷 / 02期
关键词
D O I
10.1103/PhysRevE.47.R792
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We report results from a simulated annealing study of a coarse-grained model for block copolymers. For sufficiently slow cooling rate, the system develops a well-defined lamellar structure by avoiding the formation of defects. We show that the strong segregation limit of the model is computationally accessible when the interface thickness is small enough.
引用
收藏
页码:R792 / R795
页数:4
相关论文
共 32 条
[1]   GAUSSIAN-COIL TO STRETCHED-COIL TRANSITION IN BLOCK COPOLYMER MELTS [J].
ALMDAL, K ;
ROSEDALE, JH ;
BATES, FS ;
WIGNALL, GD ;
FREDRICKSON, GH .
PHYSICAL REVIEW LETTERS, 1990, 65 (09) :1112-1115
[2]  
[Anonymous], 1983, PHASE TRANSITIONS CR
[3]   CELL DYNAMIC SYSTEM APPROACH TO BLOCK COPOLYMERS [J].
BAHIANA, M ;
OONO, Y .
PHYSICAL REVIEW A, 1990, 41 (12) :6763-6771
[4]   POLYMER-POLYMER PHASE-BEHAVIOR [J].
BATES, FS .
SCIENCE, 1991, 251 (4996) :898-905
[5]   FLUCTUATION-INDUCED 1ST-ORDER TRANSITION OF AN ISOTROPIC SYSTEM TO A PERIODIC STATE [J].
BATES, FS ;
ROSEDALE, JH ;
FREDRICKSON, GH ;
GLINKA, CJ .
PHYSICAL REVIEW LETTERS, 1988, 61 (19) :2229-2232
[6]   FLUCTUATION EFFECTS IN A SYMMETRIC DIBLOCK COPOLYMER NEAR THE ORDER-DISORDER TRANSITION [J].
BATES, FS ;
ROSEDALE, JH ;
FREDRICKSON, GH .
JOURNAL OF CHEMICAL PHYSICS, 1990, 92 (10) :6255-6270
[7]   BLOCK COPOLYMER THERMODYNAMICS - THEORY AND EXPERIMENT [J].
BATES, FS ;
FREDRICKSON, GH .
ANNUAL REVIEW OF PHYSICAL CHEMISTRY, 1990, 41 (01) :525-557
[8]   APPROACH TO THE GROUND-STATE IN DISORDERED MAGNETIC SYSTEMS - SIMULATED ANNEALING STUDY [J].
CHAKRABARTI, A ;
TORAL, R .
PHYSICAL REVIEW B, 1989, 39 (01) :542-545
[9]   SCALING BEHAVIOR OF A MODEL OF BLOCK COPOLYMERS IN 3 DIMENSIONS [J].
CHAKRABARTI, A ;
TORAL, R ;
GUNTON, JD .
PHYSICAL REVIEW A, 1991, 44 (10) :6503-6507
[10]   ORDERING DYNAMICS IN THE 2-DIMENSIONAL STOCHASTIC SWIFT-HOHENBERG EQUATION [J].
ELDER, KR ;
VINALS, J ;
GRANT, M .
PHYSICAL REVIEW LETTERS, 1992, 68 (20) :3024-3027