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Isotropic Conduction Network and Defect Chemistry in Mg3+δSb2-Based Layered Zintl Compounds with High Thermoelectric Performance

Tamaki, Hiromasa ; Sato, Hiroki K. ; Kanno, Tsutomu

Advanced materials (Weinheim), 2016-12, Vol.28 (46), p.10182-10187 [Periódico revisado por pares]

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Título:
Isotropic Conduction Network and Defect Chemistry in Mg3+δSb2-Based Layered Zintl Compounds with High Thermoelectric Performance
Autor: Tamaki, Hiromasa ; Sato, Hiroki K. ; Kanno, Tsutomu
Assuntos: alloy scattering ; defects ; layered materials ; thermoelectrics ; Zintl phases
É parte de: Advanced materials (Weinheim), 2016-12, Vol.28 (46), p.10182-10187
Notas: ArticleID:ADMA201603955
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ark:/67375/WNG-29Q27BZD-L
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Thermoelectric performance in the layered Zintl phase n‐type Mg3+ δ (Sb,Bi)2 is reported. Insertion of the excess Mg into the compounds is crucial for realizing n‐type carrier transport with multivalley and isotropic character. An excellent ZT of 1.51 ± 0.06 at 716 K is achieved in the sintered polycrystals at the composition of Mg3.2Sb1.5Bi0.49Te0.01.
Editor: Blackwell Publishing Ltd
Idioma: Inglês

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