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Chelyabinskiy Fiziko-Matematicheskiy Zhurnal, 2022, Volume 7, Issue 2, Pages 254–262
DOI: https://doi.org/10.47475/2500-0101-2022-17207 (Mi chfmj284) 		 
Physics

Static and resonant magnetic properties of halotrichite

T. M. Vasilchikovaa, O. S. Volkovaa, G. V. Raganyana, L. V. Shvanskayaa, A. M. Kovalskiib, P. Yu. Plechovc, D. Bataevd, S. V. Taskaevd, A. N. Vasilieva

a Lomonosov Moscow State University
b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow
c Fersman Mineralogical Museum, Moscow
d Chelyabinsk State University
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DOI: https://doi.org/10.47475/2500-0101-2022-17207
Abstract: Halotrichite has been investigated with the help of scanning electron microscopy, X-ray spectral microanalysis, vibrating sample magnetometry and electron paramagnetic resonance methods. In the crystal structure of the studied sample (Fe$_{0.75}$Mg$_{0.25}$)Al$_2$(SO$_4$)$_4\times22$H$_2$O, a quarter of the position of the divalent ion is occupied by Mg$^{2+}$. The static magnetic properties of this mineral are completely determined by ferrous ions. At the same time, the electron paramagnetic resonance spectrum indicates the presence of divalent manganese ions in the sample in quantities that cannot be determined by X-ray spectral microanalysis.
Keywords: Halotrichite, scanning electron microscopy, X-ray spectral microanalysis, electron paramagnetic resonance.
Funding agency Grant number
Russian Foundation for Basic Research 20-42-740004
Ministry of Education and Science of the Russian Federation 0137-2019-0017
The authors express their gratitude to the Russian Foundation for Basic Research for its support within the framework of the project 20-42-740004. The work was carried out with the financial support of the State Assignment 0137-2019-0017.
Received: 24.02.2022
Revised: 22.04.2022
Document Type: Article
UDC: 537.638.5
Language: Russian
Citation: T. M. Vasilchikova, O. S. Volkova, G. V. Raganyan, L. V. Shvanskaya, A. M. Kovalskii, P. Yu. Plechov, D. Bataev, S. V. Taskaev, A. N. Vasiliev, “Static and resonant magnetic properties of halotrichite”, Chelyab. Fiz.-Mat. Zh., 7:2 (2022), 254–262
Citation in format AMSBIB
\Bibitem{VasVolRag22}
\by T.~M.~Vasilchikova, O.~S.~Volkova, G.~V.~Raganyan, L.~V.~Shvanskaya, A.~M.~Kovalskii, P.~Yu.~Plechov, D.~Bataev, S.~V.~Taskaev, A.~N.~Vasiliev
\paper Static and resonant magnetic properties of halotrichite
\jour Chelyab. Fiz.-Mat. Zh.
\yr 2022
\vol 7
\issue 2
\pages 254--262
\mathnet{http://mi.mathnet.ru/chfmj284}
\crossref{https://doi.org/10.47475/2500-0101-2022-17207}
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