Thermoelectric properties of n-type SiGe alloys with Sn incorporation

作     者：Ke Meng La-Mei Zhao Ning-Yuan Zhang Zhuang-Fei Zhang Wei-Xia Shen Yue-Wen Zhang Biao Wan Chao Fang Liang-Chao Chen Qian-Qian Wang Ju-Long He Xiao-Peng Jia Ke Meng;La-Mei Zhao;Ning-Yuan Zhang;Zhuang-Fei Zhang;Wei-Xia Shen;Yue-Wen Zhang;Biao Wan;Chao Fang;Liang-Chao Chen;Qian-Qian Wang;Ju-Long He;Xiao-Peng Jia

作者机构：Key Laboratory of Material Physics of Ministry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052China State Key Laboratory of Metastable Materials Science and TechnologyYanshan UniversityQinhuangdao 066004China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2022年第41卷第12期

页      面：4156-4163页

核心收录：

学科分类：08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：financially supported by the National Natural Science Foundation of China(Nos.12104408,11704340,11804305,12004341 and 12004342) China Postdoctoral Science Foundation(Nos.2020M672266 and 2021M702956) the State Key Laboratory of Metastable Materials Science and Technology in Yanshan University(No.202010) the Scientific and Technology project in Henan Province(No.202102210198) 

主　　题：Thermoelectric material Spark plasma sintering(SPS) Silicon germanium alloy Composite 

摘      要：In the past several decades,silicon germanium(SiGe)bulk alloys have been a research focus in addressing the current global energy crisis and environmental pollution problems due to their excellent high-temperature thermoelectric *** this study,n-type Si_(80)Ge_(20)P_(2)Sn_(x)bulk alloys were fabricated by spark plasma sintering(SPS)to investigate the effect of Sn *** addition,the optimal sintering conditions and Sn content were *** introduction of Sn improves the electrical conductivity and power factor of the n-type SiGe bulk alloys due to the doping and composite ***,the Si_(80)Ge_(20)P_(2)Sn_(2)bulk alloy could reach a high figure of merit(ZT)value of~1.26 at 800℃.Thus,this work provides a quick preparation method for obtaining n-type SiGe bulk alloys with outstanding thermoelectric properties by incorporating Sn,which is favorable for large-scale production.