2-STAGE MELTING OF A 2-DIMENSIONAL COLLOIDAL LATTICE WITH DIPOLE INTERACTIONS

被引:100
作者
KUSNER, RE
MANN, JA
KERINS, J
DAHM, AJ
机构
[1] CASE WESTERN RESERVE UNIV,DEPT PHYS,CLEVELAND,OH 44106
[2] CASE WESTERN RESERVE UNIV,DEPT CHEM ENGN,CLEVELAND,OH 44106
[3] BRITISH PETR AMER RES & ENVIRONM SCI CTR,WARRENSVILLE CTR,OH 44128
关键词
D O I
10.1103/PhysRevLett.73.3113
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Two-stage melting is observed in a confined monolayer of colloidal particles with dipole interactions. The defects observed are consistent with those predicted for the crystal, hexatic, and fluid phases. The bond-orientational correlation function shows a clear hexatic-to-fluid transition, and the ensemble's potential energy shows no obvious discontinuity around either transition. © 1994 The American Physical Society.
引用
收藏
页码:3113 / 3116
页数:4
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