A thermoelectric zintl phase Na2+x Ga2+x Sn4-x with disordered Na atoms in helical tunnels

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 27(2015), 32 vom: 26. Aug., Seite 4708-13
1. Verfasser: Yamada, Takahiro (VerfasserIn)
Weitere Verfasser: Yamane, Hisanori, Nagai, Hideaki
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Zintl phase crystal structures rattling thermoelectric materials
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520 |a A polycrystalline sample of Na2+x Ga2+x Sn4-x with x = 0.19 has low thermal conductivities of 0.56 and 0.58 W m(-1) K(-1) due to static and dynamic positional disorder of Na atoms in the crystal structure and dimensionless figures of merit (ZT values) values of 0.98 and 1.28 at 295 and 340 K, respectively. The performance is comparable to those of commercial Bi2 Te3 -based materials 
650 4 |a Journal Article 
650 4 |a Zintl phase 
650 4 |a crystal structures 
650 4 |a rattling 
650 4 |a thermoelectric materials 
700 1 |a Yamane, Hisanori  |e verfasserin  |4 aut 
700 1 |a Nagai, Hideaki  |e verfasserin  |4 aut 
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