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The microstructure and thermoelectric properties of the Mg-2(Sn,Si,Bi) films containing excess metal Mg phase
Song, Gui-hong1; Li, Gui-peng1; Li, Xiu-yu1; Du, Hao2; Hu, Fang1; Yin, Lisong3
Corresponding AuthorSong, Gui-hong(ghsongsut@126.com) ; Du, Hao(hdu@imr.ac.cn)
2020-11-01
Source PublicationTHIN SOLID FILMS
ISSN0040-6090
Volume713Pages:8
AbstractTo avoid the uncontrollable Mg content in deposited films caused by the easy evaporation of Mg in alloy target, the Mg-2(Sn,Si,Bi) solid solutions films with a tiny of excess Mg metal phase were prepared using a Mg-Sn-Si-Bi alloy target and a high pure Mg target by magnetron sputtering alternately. The phase components, microstructures as well as the thermoelectric properties were systematically investigated. The excess metal Mg phase with a few micron size uniformly distributes in the Mg-2(Sn,Si,Bi) solid solution films and the size of the excess metal Mg phase becomes bigger and bigger and the phase gradually convert a narrow strip shape as Mg target sputtering time increase from 40 to 60 s. It is beneficial to an increase in both Seebeck coefficient and electrical conductivity that a tiny excess metal Mg phase exists in Mg-2(Sn,Si) based films. The Mg-2(Sn,Si) based films containing tiny excess metal Mg phase with an appropriate size posses the highest absolute value of Seebeck coefficient and appropriate electrical conductivity, resulting in the maximum power factor.
KeywordThermoelectric properties Thin films Magnesium silicide-stannide solid solution Seebeck coefficient X-ray photoelectron spectroscopy Excess magnesium phase
Funding OrganizationNational Natural Science Foundation of China ; Key Technology Research and Development Program of Guangdong
DOI10.1016/j.tsf.2020.138322
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51772193] ; Key Technology Research and Development Program of Guangdong[2106B01013003]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000580899700004
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141086
Collection中国科学院金属研究所
Corresponding AuthorSong, Gui-hong; Du, Hao
Affiliation1.Shenyang Univ Technol, Sch Mat Sci & Technol, Shenyang 110870, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Div Surface Engn Mat, Shenyang 110016, Peoples R China
3.Wuyi Univ, Jiangmen 520920, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Song, Gui-hong,Li, Gui-peng,Li, Xiu-yu,et al. The microstructure and thermoelectric properties of the Mg-2(Sn,Si,Bi) films containing excess metal Mg phase[J]. THIN SOLID FILMS,2020,713:8.
APA Song, Gui-hong,Li, Gui-peng,Li, Xiu-yu,Du, Hao,Hu, Fang,&Yin, Lisong.(2020).The microstructure and thermoelectric properties of the Mg-2(Sn,Si,Bi) films containing excess metal Mg phase.THIN SOLID FILMS,713,8.
MLA Song, Gui-hong,et al."The microstructure and thermoelectric properties of the Mg-2(Sn,Si,Bi) films containing excess metal Mg phase".THIN SOLID FILMS 713(2020):8.
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