Atomic composition, microstructure, and electromagnetic properties of schungite micropowder

Vladimir Y. Buz’ko; Sergey N. Ivanin; Ivan Y. Shutkin; Alexander I. Goryachko; Sergey A. Udodov; Alexander V. Ozolin

doi:10.17308/kcmf.2023.25/10970

Vladimir Y. Buz’ko Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0002-6335-0230
Sergey N. Ivanin Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0001-9352-5970
Ivan Y. Shutkin Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0001-9705-7801
Alexander I. Goryachko Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0001-6480-353X
Sergey A. Udodov Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0003-4023-9588
Alexander V. Ozolin Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation https://orcid.org/0000-0002-0173-1716

DOI: https://doi.org/10.17308/kcmf.2023.25/10970

Keywords: Schungite, Elemental composition, Microstructure, Electromagnetic characteristics, Building materials

Abstract

The goal of the work was to study the microstructural, elemental, and electromagnetic properties of the samples of micropowder made from a natural mineral schungite. It was found that according to an X-ray spectral microanalysis, the carbon content in the studied samples of the mineral schungite was from 44 to 54 wt% while the iron content did not exceed 3.9 wt%. The iron content increased up to 6.1 wt% in the produced schungite micropowder.
It can be presumed that in the schungite, micropowder iron exists in the form of ferrimagnetic nanoparticles of magnetite and pyrite, which is formed when grinding schungite particles in ball mills with a steel body and a milling bowl. The produced schungite micropowder also showed the presence of weak ferrimagnetic properties according to the measurements of magnetic permeability performed by vector analysis of the impedance of electrical circuits.
In accordance with its electromagnetic characteristics, schungite micropowder made from shungite mineral is an effective radio-absorbing filler for building materials for cellular communication frequency bands

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Author Biographies

Vladimir Y. Buz’ko, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

Сand. Sci. (Chem.), Director of
the REC “Center for Advanced Technologies and
Nanomaterials”, Kuban State Technological University
(Krasnodar, Russian Federation)

Sergey N. Ivanin, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

Cand. Sci (Chem), Research
Fellow, “Center for Advanced Technologies and
Nanomaterials”, Kuban State Technological University
(Krasnodar, Russian Federation)

Ivan Y. Shutkin, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

post-graduate student of the
Department of Land Transport and Mechanics, Kuban
State Technological University (Krasnodar, Russian
Federation).

Alexander I. Goryachko, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

Research Fellow, “Center
for Advanced Technologies and Nanomaterials”,
Kuban State Technological University (Krasnodar,
Russian Federation).

Sergey A. Udodov, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

Cand. Sci. (Tech.), Head of the
Department of Production of Building Structures and
Structural Mechanics Kuban State Technological
University (Krasnodar, Russian Federation).

Alexander V. Ozolin, Kuban State Technological University, 2 Moskovskaya str., Krasnodar 350072, Russian Federation

Research Fellow, “Center for
Advanced Technologies and Nanomaterials” Kuban
State Technological University (Krasnodar, Russian
Federation).

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