On the role played by bending vibrations in heat transfer in layered crystals

被引：19

作者：

Abdullaev, NA ^{[1
]}

Suleimanov, RA ^{[1
]}

Aldzhanov, MA ^{[1
]}

Alieva, LN ^{[1
]}

机构：

[1] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan

来源：

PHYSICS OF THE SOLID STATE | 2002年 / 44卷 / 10期

关键词：

D O I：

10.1134/1.1514773

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The temperature dependences of the thermal conductivity of layered crystals (LCs) of graphite, boron nitride, gallium sulfide, etc., are analyzed. It is shown that the bending branch of vibrations typical of LCs determines the behavior of the thermal conductivity only in the region of its increase. The decrease in thermal conductivity upon heating cannot be explained by taking into account the bending vibrations only, and phonon-phonon interaction processes become effective only in the case of excitation of other branches in the acoustic spectrum. (C) 2002 MAIK "Nauka/Interperiodica".

引用

页码：1859 / 1863

页数：5

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