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Revealing the intrinsic p-to-n transition mechanism on Mg3Sb2 through extra Mg

文献类型：期刊论文

作者Zhang, Xiong1; Cao, Xiaoliang1; Zhang, Yu1; Gu, Haoshuang2; Liu, Jibing1; Han, Guang3; Zhang, Bin4; Wang, Guoyu5; Zhou, Xiaoyuan4,6
刊名APPLIED PHYSICS LETTERS
出版日期2022-04-25
卷号120期号:17页码:5
ISSN号0003-6951
DOI10.1063/5.0088156
通讯作者Zhang, Bin(welon5337@126.com) ; Zhou, Xiaoyuan(xiaoyuan2013@cqu.edu.cn)
英文摘要The intrinsic p-to-n transition mechanism for Mg3Sb2-based thermoelectrics is revealed through pristine Mg3Sb2 by tunning extra Mg. By using TEM characterization combined with transport measurements, the Mg3Sb2 matrix is proposed to have three stages of evolution with the increase in extra Mg content: Mg vacancy-rich (Sb-rich phase) period, Mg vacancy-compensated (nearly no precipitates) period, and Mg vacancy-deficient (Mg-rich phase) period, revealing that the Mg vacancy concentration is a key factor in the intrinsic p-to-n transition. Our work will deepen the understanding of p-to-n transition in Mg3Sb2-based thermoelectrics and provide valuable references for developing other p/n-coexisted thermoelectrics.& nbsp;& nbsp;Published under an exclusive license by AIP Publishing.& nbsp;
资助项目National Natural Science Foundation of China[11874356] ; National Natural Science Foundation of China[52071041] ; National Natural Science Foundation of China[11904039] ; National Natural Science Foundation of China[51972102] ; National Science Fund for Distinguished Young Scholars[52125103] ; Project for Fundamental and Frontier Research in Chongqing[cstc2019jcyjjqX0002] ; Project for Fundamental and Frontier Research in Chongqing[cstc2020jcyj-msxmX0777] ; Natural Science Foundation of Hubei Province[2020CFB454]
WOS研究方向Physics
语种英语
出版者AIP Publishing
WOS记录号WOS:000793222000011
源URL[http://119.78.100.138/handle/2HOD01W0/16215]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Zhang, Bin; Zhou, Xiaoyuan
作者单位1.Hubei Normal Univ, Coll Phys & Elect Sci, Huangshi 435002, Hubei, Peoples R China
2.Hubei Univ, Fac Phys & Elect Sci, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Ferro & Piezoelect Mat & Devices, Wuhan 430062, Peoples R China
3.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
4.Chongqing Univ, Analyt & Testing Ctr, Chongqing 401331, Peoples R China
5.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
6.Chongqing Univ, Coll Phys, Chongqing 401331, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Xiong,Cao, Xiaoliang,Zhang, Yu,et al. Revealing the intrinsic p-to-n transition mechanism on Mg3Sb2 through extra Mg[J]. APPLIED PHYSICS LETTERS,2022,120(17):5.
APA Zhang, Xiong.,Cao, Xiaoliang.,Zhang, Yu.,Gu, Haoshuang.,Liu, Jibing.,...&Zhou, Xiaoyuan.(2022).Revealing the intrinsic p-to-n transition mechanism on Mg3Sb2 through extra Mg.APPLIED PHYSICS LETTERS,120(17),5.
MLA Zhang, Xiong,et al."Revealing the intrinsic p-to-n transition mechanism on Mg3Sb2 through extra Mg".APPLIED PHYSICS LETTERS 120.17(2022):5.

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来源：重庆绿色智能技术研究院

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