| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Electronic Structure, Lattice Dynamics and Thermoelectric Properties of PbTe from First-Principles Calculation |
| LU Peng-Xian1,2**, QU Ling-Bo1,2 |
1College of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001
2Department of Chemistry, Zhengzhou University, Zhengzhou 450001
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| Cite this article: |
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LU Peng-Xian, QU Ling-Bo 2013 Chin. Phys. Lett. 30 017101 |
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Abstract The electronic structure and the lattice dynamics of lead telluride (PbTe) are investigated by using the density functional theory. The thermoelectric properties are then calculated using the semi-classical Boltzmann theory. Moreover, the relationships among the thermoelectric properties, the electronic structure and the lattice dynamics are also studied. Some strategies aiming at optimizing the thermoelectric properties are proposed. The related theoretical calculations therefore give a valuable insight on how to further enhance the thermoelectric properties of PbTe.
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Received: 01 August 2012
Published: 04 March 2013
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| PACS: |
71.20.Nr
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(Semiconductor compounds)
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72.15.Eb
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(Electrical and thermal conduction in crystalline metals and alloys)
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63.20.dk
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(First-principles theory)
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