Structural relaxation as a forked road to crystallization and glass transition of vapor-deposited amorphous molecular systems

被引：15
|
作者：
Ishii, K [1 ]
Takei, M [1 ]
Yamamoto, M [1 ]
Nakayama, H [1 ]
机构：
[1] Gakushuin Univ, Dept Chem, Tokyo 1718588, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2004年 / 398卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2004.09.074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Structural changes of chlorobenzene/toluene and chlorobenzene/ethylbenzene binary amorphous systems due to temperature elevation were studied with Raman scattering, X-ray diffraction, and light-transmission monitoring for samples prepared by vapor deposition on cold substrates. Two distinct behaviors of the samples, namely direct crystallization and glass transition, were observed depending on the composition of the sample. Structural relaxation which the system steps into in advance of crystallization or glass transition is pointed out to be a forked road that leads vapor-deposited amorphous molecular systems to these two kinds of structural changes. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：377 / 383
页数：7
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