A Dual Role by Incorporation of Magnesium in YbZn2Sb2 Zintl Phase for Enhanced Thermoelectric Performance

1‐2‐2‐type Zintl phase compounds have promising thermoelectric properties because of their complex crystal structures and multiple valence‐band structures. In this work, a series of single phase (Yb0.9Mg0.1)MgxZn2−xSb2 (x = 0, 0.2, 0.4, 0.6, 0.8, and 1) compounds are prepared by alloying YbZn2Sb2 wi...

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Veröffentlicht in:	Advanced energy materials 2020-08, Vol.10 (29), p.n/a
Hauptverfasser:	Zhang, Zongwei, Yan, Yirui, Li, Xiaofang, Wang, Xinyu, Li, Juan, Chen, Chen, Cao, Feng, Sui, Jiehe, Lin, Xi, Liu, Xingjun, Xie, Guoqiang, Zhang, Qian
Format:	Artikel
Sprache:	eng
Schlagworte:	(Yb 0.9Mg 0.1)Mg xZn 2− xSb 2 Ag doping Carrier density Crystal structure Magnesium Optimization orbital alignment Point defects Seebeck effect Thermal conductivity thermoelectric Thermoelectricity Zinc Zintl phase
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