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Title: Thermoelectric properties of n-type SrTiO 3

We present an investigation of the thermoelectric properties of cubic perovskite SrTiO 3. The results are derived from a combination of calculated transport functions obtained from Boltzmann transport theory in the constant scattering time approximation based on the electronic structure and existing experimental data for La-doped SrTiO 3. The figure of merit ZT is modeled with respect to carrier concentration and temperature. The model predicts a relatively high ZT at optimized doping and suggests that the ZT value can reach 0.7 at T = 1400 K. Thus ZT can be improved from the current experimental values by carrier concentration optimization.
Authors:
 [1] ; ORCiD logo [1]
  1. Univ. of Missouri, Columbia, MO (United States). Department of Physics and Astronomy
Publication Date:
Grant/Contract Number:
SC0001299; FG02-09ER46577
Type:
Published Article
Journal Name:
APL Materials
Additional Journal Information:
Journal Volume: 4; Journal Issue: 10; Related Information: S3TEC partners with Massachusetts Institute of Technology (lead); Boston College; Oak Ridge National Laboratory; Rensselaer Polytechnic Institute; Journal ID: ISSN 2166-532X
Publisher:
American Institute of Physics (AIP)
Research Org:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
OSTI Identifier:
1254375
Alternate Identifier(s):
OSTI ID: 1388418; OSTI ID: 1420527

Sun, Jifeng, and Singh, David J. Thermoelectric properties of n-type SrTiO3. United States: N. p., Web. doi:10.1063/1.4952610.
Sun, Jifeng, & Singh, David J. Thermoelectric properties of n-type SrTiO3. United States. doi:10.1063/1.4952610.
Sun, Jifeng, and Singh, David J. 2016. "Thermoelectric properties of n-type SrTiO3". United States. doi:10.1063/1.4952610.
@article{osti_1254375,
title = {Thermoelectric properties of n-type SrTiO3},
author = {Sun, Jifeng and Singh, David J.},
abstractNote = {We present an investigation of the thermoelectric properties of cubic perovskite SrTiO3. The results are derived from a combination of calculated transport functions obtained from Boltzmann transport theory in the constant scattering time approximation based on the electronic structure and existing experimental data for La-doped SrTiO3. The figure of merit ZT is modeled with respect to carrier concentration and temperature. The model predicts a relatively high ZT at optimized doping and suggests that the ZT value can reach 0.7 at T = 1400 K. Thus ZT can be improved from the current experimental values by carrier concentration optimization.},
doi = {10.1063/1.4952610},
journal = {APL Materials},
number = 10,
volume = 4,
place = {United States},
year = {2016},
month = {5}
}

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