Effect of anion and cation substitution in tungsten disulfide and tungsten diselenide on conductivity and thermoelectric power
- Authors: Yakovleva G.E.1, Romanenko A.I.1, Berdinsky A.S.2, Kuznetsov V.A.1, Ledneva A.Y.1, Artemkina S.B.1, Fedorov V.E.1
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Affiliations:
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch
- Novosibirsk State Technical University
- Issue: Vol 51, No 6 (2017)
- Pages: 725-728
- Section: XV International Conference “Thermoelectrics and Their Applications—2016”, St. Petersburg, November 15–16, 2016
- URL: https://journals.rcsi.science/1063-7826/article/view/200021
- DOI: https://doi.org/10.1134/S1063782617060288
- ID: 200021
Cite item
Abstract
The temperature dependences of the conductivity and thermoelectric power for a series of samples W1–xNbxS2, W1–xNbxSe2, WS2–ySey, W1–xNbxS2–ySey are studied at low temperatures. It is found that the cation substitution of W atoms with Nb leads to an increase in the conductivity and a decrease in the thermoelectric power. The anion substitution of S with Se atoms results in a simultaneous increase in the conductivity and thermoelectric power. The highest power factor among the samples studied is inherent to W0.8Nb0.2Se2.
About the authors
G. E. Yakovleva
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Author for correspondence.
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090
A. I. Romanenko
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090
A. S. Berdinsky
Novosibirsk State Technical University
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. K. Marx 20, Novosibirsk, 630073
V. A. Kuznetsov
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090
A. Yu. Ledneva
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090
S. B. Artemkina
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090
V. E. Fedorov
Nikolaev Institute of Inorganic Chemistry, Siberian Branch
Email: galina.yakovleva.91@mail.ru
Russian Federation, pr. Akad. Lavrent’eva 3, Novosibirsk, 630090