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Title: Thermoelectric properties of n -type SrTiO 3

Journal Article · · APL Materials
DOI:https://doi.org/10.1063/1.4952610· OSTI ID:1254375

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.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001299; FG02-09ER46577
OSTI ID:
1254375
Alternate ID(s):
OSTI ID: 1388418; OSTI ID: 1420527
Journal Information:
APL Materials, Journal Name: APL Materials Vol. 4 Journal Issue: 10; ISSN 2166-532X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 59 works
Citation information provided by
Web of Science

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Thermoelectric properties of AMg 2 X 2 , AZn 2 Sb 2 (A = Ca, Sr, Ba; X = Sb, Bi), and Ba 2 ZnX 2 (X = Sb, Bi) Zintl compounds journal January 2017
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