Journal
JOURNAL OF APPLIED PHYSICS
Volume 116, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4900953
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Funding
- [25707031]
- Grants-in-Aid for Scientific Research [25707031, 26600077] Funding Source: KAKEN
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We have investigated the thermoelectric properties of the novel layered bismuth chalcogenides LaOBiS2-xSex. The partial substitution of S by Se produced the enhancement of electrical conductivity (metallic characteristics) in LaOBiS2-xSex. The power factor largely increased with increasing Se concentration. The highest power factor was 4.5 mu W/cmK(2) at around 470 degrees C for LaOBiS1.2Se0.8. The obtained dimensionless figure-of-merit (ZT) was 0.17 at around 470 degrees C in LaOBiS1.2Se0.8. (C) 2014 AIP Publishing LLC.
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