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The microstructure and thermoelectric properties of the Mg-2(Sn,Si,Bi) films containing excess metal Mg phase
Song, Gui-hong; Li, Gui-peng; Li, Xiu-yu; Du, Hao; Hu, Fang; Yin, Lisong
2020-11-01
Source PublicationTHIN SOLID FILMS
Volume713
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.
DOI10.1016/j.tsf.2020.138322
WOS IDWOS:000580899700004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82396
Collection中国科学院金属研究所
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.
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.
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).
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