Dynamical heterogeneity in glassy n-butanol

被引：2
|
作者：
Grebenkin, S. Yu. [1 ]
Syutkin, V. M. [1 ]
机构：
[1] Russian Acad Sci, Inst Chem Kinet & Combust, Novosibirsk 630090, Russia
来源：
PHYSICAL REVIEW B | 2007年 / 76卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.76.054202
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The light-induced cis-trans isomerization of azo dye molecules (1-naphthyl-p-azomethoxybenzene) is used as a probe process for dynamical heterogeneity in glassy n-butanol (T-g=114 K). The characteristic lifetime of heterogeneity is found to vary with temperature according to the Arrhenius law from 3 x 10(4) s at 100 K to 4 x 10(3) s at 110 K with the activation energy of 17 +/- 5 kJ/mole.
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