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Thermoelectric properties of SrTiO3 nano-particles dispersed indium selenide bulk composites

Title
Thermoelectric properties of SrTiO3 nano-particles dispersed indium selenide bulk composites
Authors
Lee M.H.Rhyee J.-S.Vaseem M.Hahn Y.-B.Park S.-D.Jin Kim H.Kim S.-J.Lee H.J.Kim C.
Ewha Authors
김성진
SCOPUS Author ID
김성진scopus
Issue Date
2013
Journal Title
Applied Physics Letters
ISSN
0003-6951JCR Link
Citation
vol. 102, no. 22
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We investigated the thermoelectric properties of the InSe, InSe/In 4Se3 composite, and SrTiO3 (STO) nano-particles dispersed InSe/In4Se3 bulk composites. The electrical conductivity of the InSe/In4Se3 composite with self-assembled phase separation is significantly increased compared with those of InSe and In4Se3-δ implying the enhancement of surface conductivity between grain boundaries. The thermal conductivity of InSe/In4Se3 composite is decreased compared to those of InSe. When the STO nano-particle dispersion was employed in the InSe/In 4Se3 composite, a coherent interface was observed between nano-particle precipitates and the InSe bulk matrix with a reduction of the thermal conductivity. © 2013 AIP Publishing LLC.
DOI
10.1063/1.4809677
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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