Fine kinetics of natural physical ageing in glassy As10Se90

被引：5

作者：

Balitska, V. ^{[1
,2
]}

Golovchak, R. ^{[3
]}

Kozdras, A. ^{[4
]}

Shpotyuk, O. ^{[1
,5
]}

机构：

[1] Sci Res Co Carat, Inst Mat, UA-79031 Lvov, Ukraine

[2] Lviv State Univ Vital Act Safety, UA-79007 Lvov, Ukraine

[3] Austin Peay State Univ, Dept Phys & Astron, Clarksville, TN 37044 USA

[4] Opole Tech Univ, Fac Phys, PL-45370 Opole, Poland

[5] Jan Dlugosz Univ, Inst Phys, PL-42201 Czestochowa, Poland

来源：

PHYSICA B-CONDENSED MATTER | 2014年 / 434卷

关键词：

Physical ageing; Structural relaxation; Step-wise kinetics; RELAXATION;

D O I：

10.1016/j.physb.2013.10.045

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Sigmoid behavior of natural physical ageing in glassy As10Se90 reveals multi-step-wise growing kinetics of enthalpy losses. Phenomenological description of this kinetics can be adequately developed in terms of first-order relaxation processes, tending atomic structure from initial towards more thermodynamically equilibrium state. This kinetics is shown to obey characteristic stretched exponential behavior originated from a number of growing steps, attributed to the interconnected processes of chalcogen chain alignment and cooperative shrinkage of glass network. (C) 2013 Elsevier B.V. All rights reserved

引用

页码：21 / 25

页数：5

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