TRANSITION FROM METASTABILITY TO INSTABILITY IN A BINARY-LIQUID MIXTURE

被引：73

作者：

TANAKA, H ^{[1
]}

YOKOKAWA, T ^{[1
]}

ABE, H ^{[1
]}

HAYASHI, T ^{[1
]}

NISHI, T ^{[1
]}

机构：

[1] UNIV TOKYO,FAC ENGN,DEPT APPL PHYS,BUNKYO KU,TOKYO 113,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.65.3136

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In a binary mixture of oligomers of styrene and caprolactone, we have studied a transition from metastability to instability by changing a quench depth systematically under an off-critical quench condition. The concentration distribution function turns out to be a good fingerprint for determining whether phase separation is nucleation-growth type or spinodal-decomposition type. We also demonstrate clear morphological and kinetice evidence of a diffuse metastable-unstable transition or crossover phenomena theoretically predicted for the system with a finite-range interaction. © 1990 The American Physical Society.

引用

页码：3136 / 3139

页数：4

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