Enhanced thermoelectric performance of In-substituted GeSb6Te10 with homologous structure

We studied the crystal structure and thermoelectric properties of polycrystalline GeInxSb6−xTe10 (x = 0, 0.18, 0.3, and 0.6). Rietveld and Le Bail analyses showed that all compositions crystallized in trigonal structures with a 51-layer period. Substituting In decreased both the lattice and electron...

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Bibliographic Details
Main Authors: Atsuko Kosuga, Kazuki Nakai, Mie Matsuzawa, Yousuke Fujii, Ryoji Funahashi, Takuya Tachizawa, Yoshiki Kubota, Kouichi Kifune
Format: Article
Language:English
Published: AIP Publishing LLC 2014-08-01
Series:APL Materials
Online Access:http://dx.doi.org/10.1063/1.4893236