Enhancement of thermoelectric efficiency in Bi2Te3 via rare earth element doping
Publication type: Journal Article
Publication date: 2018-03-01
scimago Q1
wos Q1
SJR: 1.829
CiteScore: 11.5
Impact factor: 5.6
ISSN: 13596462, 18728456
Metals and Alloys
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
The Bi2Te3, Bi1.9Lu0.1Te3 and Bi1.9Tm0.1Te3 thermoelectrics of n-type conductivity were prepared by microwave-solvothermal method and spark plasma sintering. At the Lu and Tm doping, the Seebeck coefficient increases, while the specific electrical conductivity and total thermal conductivity decreases resulting in thermoelectric efficiency enhancement of Bi2Te3. It is believed that the thermoelectric efficiency can enhance mainly due to formation of narrow impurity Lu or Tm band with high and sharp density of states near the Fermi level. Both increase of the density-of-states effective mass of electrons and decrease of electronic contribution to the total thermal conductivity take place in this case.
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51
Total citations:
51
Citations from 2024:
5
(9%)
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GOST
Copy
Ivanov O. et al. Enhancement of thermoelectric efficiency in Bi2Te3 via rare earth element doping // Scripta Materialia. 2018. Vol. 146. pp. 91-94.
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Ivanov O., Soklakova O., Yaprintsev M. N., Lyubushkin R. Enhancement of thermoelectric efficiency in Bi2Te3 via rare earth element doping // Scripta Materialia. 2018. Vol. 146. pp. 91-94.
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RIS
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TY - JOUR
DO - 10.1016/j.scriptamat.2017.11.031
UR - https://doi.org/10.1016/j.scriptamat.2017.11.031
TI - Enhancement of thermoelectric efficiency in Bi2Te3 via rare earth element doping
T2 - Scripta Materialia
AU - Ivanov, Oleg
AU - Soklakova, Oxana
AU - Yaprintsev, Maksim N.
AU - Lyubushkin, Roman
PY - 2018
DA - 2018/03/01
PB - Elsevier
SP - 91-94
VL - 146
SN - 1359-6462
SN - 1872-8456
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2018_Ivanov,
author = {Oleg Ivanov and Oxana Soklakova and Maksim N. Yaprintsev and Roman Lyubushkin},
title = {Enhancement of thermoelectric efficiency in Bi2Te3 via rare earth element doping},
journal = {Scripta Materialia},
year = {2018},
volume = {146},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.scriptamat.2017.11.031},
pages = {91--94},
doi = {10.1016/j.scriptamat.2017.11.031}
}
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