The configurational entropy of glass

被引:31
作者
Gupta, Prabhat K. [1 ]
Mauro, John C. [2 ]
机构
[1] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA
[2] Corning Inc, Div Sci & Technol, Corning, NY 14831 USA
关键词
Glass transition; Glasses; Modeling and simulation; Thermodynamics; SUPERCOOLED LIQUIDS; BOLTZMANN ENTROPY; LANDSCAPES; SYSTEMS;
D O I
10.1016/j.jnoncrysol.2008.11.021
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Configurational entropy is of fundamental importance to understanding the universal nature of the glassy state. According to the conventional view, the configurational entropy of a liquid is 'frozen' below the glass transition temperature (T-g) all the way to absolute zero. Contrary to this, we claim that: (i) there is an entropy loss associated with the liquid to glass transition, and (ii) the configurational entropy in the glassy state vanishes at absolute zero. This paper contrasts our arguments (called the 'entropy loss' view) and the conventional view. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:595 / 599
页数:5
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