Influence of order-disorder transition on thermal conductivity of solids

被引：25

作者：

Bodzenta, J ^{[1
]}

机构：

[1] Silesian Tech Univ, Inst Phys, PL-44100 Gliwice, Poland

来源：

CHAOS SOLITONS & FRACTALS | 1999年 / 10卷 / 12期

关键词：

D O I：

10.1016/S0960-0779(98)00250-1

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

The relation between the crystalline structure and thermal properties of solids is analyzed. The brief description of the theories of heat conduction in polycrystalline solids (Callaway model) and amorphous solids (Cahill-Pohl) model is carried out. It is shown that transition from the heat transport by phonons in polycrystals to the random energy transfer between localized oscillators in glasses leads to the meaningful reduction of the thermal conductivity. This conclusion is illustrated by experimental data. The limitations of obtaining thin films with good thermal properties are underlined. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：2087 / 2098

页数：12

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