Materials Based on Solid Solutions of Bismuth Chalcogenides of n-Type Conductivity Prepared by Melt Crystallization in a Liquid
- Authors: Ivanova L.D.1, Granatkina Y.V.1, Malchev A.G.1, Nikhezina I.Y.1, Emel’yanov M.V.1, Nikulin D.S.1
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Affiliations:
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- Issue: Vol 53, No 5 (2019)
- Pages: 691-694
- Section: XVI International Conference “thermoelectrics and Their Applications–2018” (Iscta 2018,) St. Petersburg, October 8–12, 2018
- URL: https://journals.rcsi.science/1063-7826/article/view/206178
- DOI: https://doi.org/10.1134/S1063782619050087
- ID: 206178
Cite item
Abstract
The microstructure, mechanical, and thermoelectric properties of samples of the n-type Bi2Te3–Bi2Se3 solid-solution samples containing 6, 8, and 10 mol % Bi2Se3, doped with antimony iodide, cadmium chloride, and hexabromobenzene, are investigated. The samples are formed by hot pressing and the extrusion of granules prepared by melt crystallization in a liquid and ground in a mortar, cutting mill, and ball mill. Measurements are performed at room temperature and in the range of 100–600 K. The formation conditions and compositions of materials with an ultimate compressive strength of ~250 MPa and thermoelectric efficiency of (ZT)max = (0.9–1.0) in the temperature range of 320–430 K are found.
About the authors
L. D. Ivanova
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Author for correspondence.
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334
Yu. V. Granatkina
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334
A. G. Malchev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334
I. Yu. Nikhezina
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334
M. V. Emel’yanov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334
D. S. Nikulin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Email: ivanova@imet.ac.ru
Russian Federation, Moscow, 119334