Phase Formation of Iron-Based Superconductors during Mechanical Alloying

We successfully synthesized bulk Ba(0.6)Na(0.4)Fe(2)As(2) and Sr(0.5)Na(0.5)Fe(2)As(2) compounds by high-energy mechanical alloying (MA) technique. The MA process results in homogeneous amorphous phases of BaFe(2)As(2) and SrFe(2)As(2). It was found that the optimum time for high-energy milling in a...

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Autores principales: Vlasenko, Vladimir A., Degtyarenko, Alena Yu., Shilov, Andrei I., Tsvetkov, Alexey Yu., Kulikova, Lyudmila F., Medvedev, Alexey S., Pervakov, Kirill S.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9737871/
https://www.ncbi.nlm.nih.gov/pubmed/36499936
http://dx.doi.org/10.3390/ma15238438
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author Vlasenko, Vladimir A.
Degtyarenko, Alena Yu.
Shilov, Andrei I.
Tsvetkov, Alexey Yu.
Kulikova, Lyudmila F.
Medvedev, Alexey S.
Pervakov, Kirill S.
author_facet Vlasenko, Vladimir A.
Degtyarenko, Alena Yu.
Shilov, Andrei I.
Tsvetkov, Alexey Yu.
Kulikova, Lyudmila F.
Medvedev, Alexey S.
Pervakov, Kirill S.
author_sort Vlasenko, Vladimir A.
collection PubMed
description We successfully synthesized bulk Ba(0.6)Na(0.4)Fe(2)As(2) and Sr(0.5)Na(0.5)Fe(2)As(2) compounds by high-energy mechanical alloying (MA) technique. The MA process results in homogeneous amorphous phases of BaFe(2)As(2) and SrFe(2)As(2). It was found that the optimum time for high-energy milling in all cases is about 1.5–2 h, and the maximum amount of amorphous phase could be obtained when energy of 50–100 MJ/kg was absorbed by the powder. After a short-term heat treatment, we obtained nearly optimum sodium-doped Ba(1−x)Na(x)Fe(2)As(2) and Sr(1−x)Na(x)Fe(2)As(2) superconducting bulk samples. Therefore, MA is a potential scalable method to produce bulk superconducting material for industrial needs.
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spelling pubmed-97378712022-12-11 Phase Formation of Iron-Based Superconductors during Mechanical Alloying Vlasenko, Vladimir A. Degtyarenko, Alena Yu. Shilov, Andrei I. Tsvetkov, Alexey Yu. Kulikova, Lyudmila F. Medvedev, Alexey S. Pervakov, Kirill S. Materials (Basel) Article We successfully synthesized bulk Ba(0.6)Na(0.4)Fe(2)As(2) and Sr(0.5)Na(0.5)Fe(2)As(2) compounds by high-energy mechanical alloying (MA) technique. The MA process results in homogeneous amorphous phases of BaFe(2)As(2) and SrFe(2)As(2). It was found that the optimum time for high-energy milling in all cases is about 1.5–2 h, and the maximum amount of amorphous phase could be obtained when energy of 50–100 MJ/kg was absorbed by the powder. After a short-term heat treatment, we obtained nearly optimum sodium-doped Ba(1−x)Na(x)Fe(2)As(2) and Sr(1−x)Na(x)Fe(2)As(2) superconducting bulk samples. Therefore, MA is a potential scalable method to produce bulk superconducting material for industrial needs. MDPI 2022-11-27 /pmc/articles/PMC9737871/ /pubmed/36499936 http://dx.doi.org/10.3390/ma15238438 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Vlasenko, Vladimir A.
Degtyarenko, Alena Yu.
Shilov, Andrei I.
Tsvetkov, Alexey Yu.
Kulikova, Lyudmila F.
Medvedev, Alexey S.
Pervakov, Kirill S.
Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title_full Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title_fullStr Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title_full_unstemmed Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title_short Phase Formation of Iron-Based Superconductors during Mechanical Alloying
title_sort phase formation of iron-based superconductors during mechanical alloying
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9737871/
https://www.ncbi.nlm.nih.gov/pubmed/36499936
http://dx.doi.org/10.3390/ma15238438
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