Synthesis of high-entropy hydride from the cantor alloy (fcc–CoCrFeNiMn) at extreme conditions

Studies of high-entropy materials contribute to various fields of science and reveal ever more exciting properties of applied interest. Here, we perform a study of the resistance of a Cantor alloy (CoCrFeNiMn) to hydrogen through high-pressure experiments at elevated temperatures by X-ray and neutron time-of-flight experiments and ab initio calculations. We report formation of an fcc hydride based on the Cantor alloy composition. We also provide its characterization, including an estimate of hydrogen content. These findings contribute to the growing body of knowledge on the complex chemistry of high-entropy alloys and high-entropy hydrides.

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Publication Details

Journal
Nature Communications
Published
2026-03-17
DOI
https://doi.org/10.1038/s41467-026-70483-3
Primary Topic
High Entropy Alloys Studies
Type
article
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article

Synthesis of high-entropy hydride from the cantor alloy (fcc–CoCrFeNiMn) at extreme conditions

Fritz Körmann, Yang Sangsun, Sergiy V. Divinski, Doreen Beyer et al.
Nature Communications
High Entropy Alloys Studies
article

Synthesis of high-entropy hydride from the cantor alloy (fcc–CoCrFeNiMn) at extreme conditions

Fritz Körmann, Yang Sangsun, Sergiy V. Divinski, Doreen Beyer, Michael Hanfland, Kristina Spektor, Kirill V. Yusenko, Maxim Bykov, Konstantin V. Glazyrin, Takanori Hattori, Shrikant Bhat, Blazej Grabowski, Asami Sano-Furukawa, Martin Sahlberg, Weiwei Dong, Yuji Ikeda, Ji Hun Yu, Jai-Sung Lee, Paulo H. B. Carvalho
article en

Abstract

Studies of high-entropy materials contribute to various fields of science and reveal ever more exciting properties of applied interest. Here, we perform a study of the resistance of a Cantor alloy (CoCrFeNiMn) to hydrogen through high-pressure experiments at elevated temperatures by X-ray and neutron time-of-flight experiments and ab initio calculations. We report formation of an fcc hydride based on the Cantor alloy composition. We also provide its characterization, including an estimate of hydrogen content. These findings contribute to the growing body of knowledge on the complex chemistry of high-entropy alloys and high-entropy hydrides.

Nature CommunicationsVol. 17(1)
University of Stuttgart (DE), Goethe University Frankfurt (DE), Japan Atomic Energy Agency (JP), Uppsala University (SE), Chinese Academy of Sciences (CN), University of Münster (DE), Deutsches Elektronen-Synchrotron DESY (DE), European Synchrotron Radiation Facility (FR), Max-Planck-Institut für Nachhaltige Materialien (DE), Korea Institute of Materials Science (KR), Institute of High Energy Physics (CN), Hanyang University (KR), Ruhr University Bochum (DE), Leipzig University (DE)
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High Entropy Alloys Studies
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