Bi2Te3基热电材料的电输运性能研究进展

被引:2
|
作者
王晴
刘子杨
赵沙沙
李志亮
机构
[1] 河北大学物理科学与技术学院河北省量子场论高精度计算与应用重点实验室
关键词
热电材料; Bi2Te3; 能带结构; 电输运性能;
D O I
暂无
中图分类号
TB34 [功能材料];
学科分类号
080501 ;
摘要
Bi2Te3基化合物是热电领域的代表性材料之一,被广泛应用于余热发电、固态制冷、温度探测等方面.该类材料具有复杂的能带结构,利用强自旋轨道和能带反转,有望对Bi2Te3基材料的热电性能实现优化.通过分析对比近些年Bi2Te3基材料的能带结构计算数据与部分实验结果,总结了Bi2Te3、N型Bi2Te3-xSex和P型Bi2-xSbxTe3材料的能带结构的特点,影响能带结构以及电输运性能的关键因素.相关结论将为提高Bi2Te3基材料的热电性能提供依据.
引用
收藏
页码:349 / 361
页数:13
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