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First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation

Kirill Yusenko, Sephira Riva, Patricia A. Carvalho, Maria V. Yusenko, Serena Arnaboldi, Aleksandr S. Sukhikh, Michael Hanfland, Sergey A. Gromilov

Scripta Materialia, Volume: 138, Pages: 22 - 27

Swansea University Author: Kirill Yusenko

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DOI (Published version): 10.1016/j.scriptamat.2017.05.022

Abstract

High-entropy alloys containing 5 and 6 platinum group metals have been prepared by thermal decomposition of single-source precursors non requiring high temperature or mechanical alloying. The prepared Ir0.19Os0.22Re0.21Rh0.20Ru0.19 alloy is the first example of a single-phase hexagonal high-entropy...

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Published in: Scripta Materialia
ISSN: 1359-6462
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa33919
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first_indexed 2017-05-24T14:11:22Z
last_indexed 2018-02-09T05:23:33Z
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spelling 2017-07-31T14:51:02.5526122 v2 33919 2017-05-24 First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation 5f69729173cc92ee7f08d59ffcef3e81 Kirill Yusenko Kirill Yusenko true false 2017-05-24 EEN High-entropy alloys containing 5 and 6 platinum group metals have been prepared by thermal decomposition of single-source precursors non requiring high temperature or mechanical alloying. The prepared Ir0.19Os0.22Re0.21Rh0.20Ru0.19 alloy is the first example of a single-phase hexagonal high-entropy alloy. Heat treatment up to 1500 K and compression up to 45 GPa do not result in phase changes, a record temperature and pressure stability for a single-phase high-entropy alloy. The alloys show pronounced electrocatalytic activity in methanol oxidation, which opens a route for the use of high-entropy alloys as materials for sustainable energy conversion. Journal Article Scripta Materialia 138 22 27 1359-6462 High-entropy alloys; X-ray diffraction; Platinum group alloys; Electrochemistry 31 12 2017 2017-12-31 10.1016/j.scriptamat.2017.05.022 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2017-07-31T14:51:02.5526122 2017-05-24T09:19:41.1980588 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Kirill Yusenko 1 Sephira Riva 2 Patricia A. Carvalho 3 Maria V. Yusenko 4 Serena Arnaboldi 5 Aleksandr S. Sukhikh 6 Michael Hanfland 7 Sergey A. Gromilov 8 0033919-24052017102705.pdf yusenko.pdf 2017-05-24T10:27:05.7300000 Output 466983 application/pdf Accepted Manuscript true 2018-05-23T00:00:00.0000000 true eng
title First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
spellingShingle First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
Kirill Yusenko
title_short First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
title_full First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
title_fullStr First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
title_full_unstemmed First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
title_sort First hexagonal close packed high-entropy alloy with outstanding stability under extreme conditions and electrocatalytic activity for methanol oxidation
author_id_str_mv 5f69729173cc92ee7f08d59ffcef3e81
author_id_fullname_str_mv 5f69729173cc92ee7f08d59ffcef3e81_***_Kirill Yusenko
author Kirill Yusenko
author2 Kirill Yusenko
Sephira Riva
Patricia A. Carvalho
Maria V. Yusenko
Serena Arnaboldi
Aleksandr S. Sukhikh
Michael Hanfland
Sergey A. Gromilov
format Journal article
container_title Scripta Materialia
container_volume 138
container_start_page 22
publishDate 2017
institution Swansea University
issn 1359-6462
doi_str_mv 10.1016/j.scriptamat.2017.05.022
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description High-entropy alloys containing 5 and 6 platinum group metals have been prepared by thermal decomposition of single-source precursors non requiring high temperature or mechanical alloying. The prepared Ir0.19Os0.22Re0.21Rh0.20Ru0.19 alloy is the first example of a single-phase hexagonal high-entropy alloy. Heat treatment up to 1500 K and compression up to 45 GPa do not result in phase changes, a record temperature and pressure stability for a single-phase high-entropy alloy. The alloys show pronounced electrocatalytic activity in methanol oxidation, which opens a route for the use of high-entropy alloys as materials for sustainable energy conversion.
published_date 2017-12-31T03:42:03Z
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score 11.035874

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