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Semiconductor Solid Solutions Cu2FeSn(Sx,Se1–x)4: Synthesis, Structural Properties, State Diagram

https://doi.org/10.35596/1729-7648-2025-23-5-27-34

Abstract

The article presents the results of obtaining large-block polycrystals of the semiconductor solid solution system Cu2FeSn(Sx,Se1–x)4, formed in the entire concentration range. It was found that both the compounds Cu2FeSnS4, Cu2FeSnSe4 and the solid solutions have a tetragonal stannite structure I4̅2m with a ratio of the unit cell parameters с/а ∼ 2. The unit cell parameters varied linearly in accordance with Vegard’s law – from a = (5.704 ± 0.005) Å and c = (11.261 ± 0.01) Å for Cu2FeSnSe4 to a = (5.441 ± 0.005) Å and c = (10.72 ± 0.01) Å for Cu2FeSnS4. The dependences of the X-ray density and the Debye temperature were determined. Based on the results of differential thermal analysis, the melting temperatures of the samples were determined and a system phase diagram was constructed.

About the Authors

V. V. Khoroshko
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus

Vitaliy V. Khoroshko, Сand. Sci. (Tech.), Associate Professor, Chair of Department of Information and Computer Systems Design, 

6, P. Brovki St., Minsk, 220013.

Тel.: +375 44 737-99-99.



T. N. Osmolovskaya
Belarusian State University of Informatics and Radioelectronics (BSUIR); Scientific and Practical Center of the National Academy of Sciences of Belarus for Materials Science (SPC NAS of Belarus)
Belarus

Tatiana N. Osmolovskaya, Postgraduate of the SPC NAS of Belarus,

Minsk.



A. V. Stanchik
Scientific and Practical Center of the National Academy of Sciences of Belarus for Materials Science (SPC NAS of Belarus)
Belarus

Aliona V. Stanchik, Сand. Sci. (Phys. and Math.), Associate Professor, Leading Researcher, 

Minsk.



N. G. Pugach
National Research University Higher School of Economics
Russian Federation

Natalia G. Pugach, Сand. Sci. (Phys. and Math.), Professor of the Department of Electronic Engineering, 

Moscow.



A. S. Doroshkevich
Joint Institute for Nuclear Research
Russian Federation

Alexandr S. Doroshkevich, Сand. Sci. (Phys. and Math.), Associate Professor, Head of the Research Sector Group, 

Dubna.



Yu. V. Radyush
Scientific and Practical Center of the National Academy of Sciences of Belarus for Materials Science (SPC NAS of Belarus)
Belarus

Yuri V. Radyush, Сand. Sci. (Phys. and Math.), Associate Professor, Leading Researcher,

Minsk.



I. I. Kuzmar
Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus

Inna I. Kuzmar, Сand. Sci. (Tech.), Associate Professor, Head of the Laboratory “Pulse Electrolysis and Multicomponent Materials”, 

Minsk.



A. U. Loska
ОJSС “NIIEVM”; Belarusian State University of Informatics and Radioelectronics (BSUIR)
Belarus

Alena U. Loska, Engineer; Postgraduate Student,

Minsk.



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Review

For citations:


Khoroshko V.V., Osmolovskaya T.N., Stanchik A.V., Pugach N.G., Doroshkevich A.S., Radyush Yu.V., Kuzmar I.I., Loska A.U. Semiconductor Solid Solutions Cu2FeSn(Sx,Se1–x)4: Synthesis, Structural Properties, State Diagram. Doklady BGUIR. 2025;23(5):27-34. (In Russ.) https://doi.org/10.35596/1729-7648-2025-23-5-27-34

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ISSN 1729-7648 (Print)
ISSN 2708-0382 (Online)