Электрические свойства эвтектической композиции InSb-MnSb

Alexey V. Kochura; Vladimir V. Rodionov; Evgenia P. Kochura; Sergey F. Marenkin; Boris A. Aronzon

doi:10.52575/2687-0959-2024-56-1-60-65

Authors

Alexey V. Kochura SouthWest State University https://orcid.org/0000-0002-7941-8404
Vladimir V. Rodionov SouthWest State University https://orcid.org/0000-0002-1893-1941
Evgenia P. Kochura SouthWest State University https://orcid.org/0000-0002-3519-4082
Sergey F. Marenkin N. S. Kurnakov Institute of General and Nonorganic Chemistry of the Russian Academy of Science https://orcid.org/0000-0003-2577-6481
Boris A. Aronzon P. N. Lebedev Physical Institute of the Russian Academy of Science https://orcid.org/0000-0003-1514-7059

DOI:

https://doi.org/10.52575/2687-0959-2024-56-1-60-65

Keywords:

эвтектический сплав, антимонид индия, антимонид марганца, проводимость, эффективная подвижность, эффективная концентрация основных носителей заряда

Abstract

A single crystal of directionally crystallized eutectic InSb-MnSb were synthesized and the electrical properties was determined. Needle inclusions with a high aspect ratio of MnSb ferromagnetic metal are arranged in parallel in the InSb semiconductor matrix. The temperature dependences of the resistivity demonstrate the presence of high anisotropy of electrical properties in samples with different orientations of the direction of electric current and MnSb needle inclusions.The high effective concentration of the main charge carriers (holes) is 7 · 10²⁰ см⁻³. The mobility of the main charge carriers reaches 70 см² / (В · с). The resistivity of MnSb needle inclusions is lower than in bulk crystals, which indicates their higher crystal perfection.

Acknowledgements
The paper was carried out with the support of the Ministry of Science and Education of the Russian Federation (g/w № 0851-2020-0035) and within the framework of the strategic academic leadership program "Priority 2030"(Agreement № 075-15-2021-1213) in terms of obtaining and characterizing research objects, RNF (21-12-00254) in terms of studying their electrical properties.

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Author Biographies

Alexey V. Kochura, SouthWest State University

Candidate of Physical and Mathematical Sciences, Deputy Head, Regional Centre of Nanotechnology, SouthWest State University,
Kursk, Russia

Vladimir V. Rodionov, SouthWest State University

Candidate of Physical and Mathematical Sciences, Senior Researcher, Regional Centre of Nanotechnology, SouthWest State University,
Kursk, Russia.

Evgenia P. Kochura, SouthWest State University

Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Software Engineering, SouthWest State University,
Kursk, Russia.

Sergey F. Marenkin, N. S. Kurnakov Institute of General and Nonorganic Chemistry of the Russian Academy of Science

Doctor of Chemical Sciences, Professor, Chief Researcher, N. S. Kurnakov Institute of General and Nonorganic Chemistry of the Russian Academy of Science,
Moscow, Russia.

Boris A. Aronzon, P. N. Lebedev Physical Institute of the Russian Academy of Science

Doctor of Physical and Mathematical Sciences, Chief Researcher, P. N. Lebedev Physical Institute of the
Russian Academy of Science,
Moscow, Russia.

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Electrical Properties of Eutectic Composition InSb-MnSb

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Author Biographies

Alexey V. Kochura, SouthWest State University

Vladimir V. Rodionov, SouthWest State University

Evgenia P. Kochura, SouthWest State University

Sergey F. Marenkin, N. S. Kurnakov Institute of General and Nonorganic Chemistry of the Russian Academy of Science

Boris A. Aronzon, P. N. Lebedev Physical Institute of the Russian Academy of Science

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