Calculation of Thermal Conductivity of AlGaN/GaN Superlattices

被引：1
|
作者：
Filatova-Zalewska, Alexandra [1 ]
Litwicki, Zenon [1 ]
Jezowski, Andrzej [1 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, Okolna 2, PL-50422 Wroclaw, Poland
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2023年 / 260卷 / 07期
关键词：
AlGaN; GaN; Boltzmann transport equation; superlattices; thermal conductivity; HEAT-TRANSPORT; LATTICE; DISPERSION; MODEL;
D O I：
10.1002/pssb.202200528
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Herein, the results of theoretical investigation of anisotropic thermal conductivity of AlGaN/GaN superlattices (SLs) are presented. For calculations, the Boltzmann transport equation in the relaxation time approximation is used. Results of computations are compared with experiment and theoretical result obtained using Callaway model. Good agreement between experimental and theoretical results is observed. Opportunity of use of the Callaway model for calculation of anisotropic thermal conductivity of SLs is discussed.
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页数：5
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