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Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides.
- Source :
-
Journal of Applied Physics . 2019, Vol. 125 Issue 14, pN.PAG-N.PAG. 6p. 1 Chart, 4 Graphs. - Publication Year :
- 2019
-
Abstract
- Spectroscopic techniques, including photoelectron spectroscopy, diffuse reflectance, and x-ray absorption, are used to investigate the electronic structure and the local structure of LaOBiS 2 − x Se x thermoelectric material. It is found that Se substitution effectively suppresses local distortion that can be responsible for the increased carrier mobility together with a change in the electronic structure. The results suggest a possible way to control thermoelectric properties by tuning of the local crystal structure of these materials. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 125
- Issue :
- 14
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 135877944
- Full Text :
- https://doi.org/10.1063/1.5087096