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High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys

Kirill Yusenko, Elena Bykova, Maxim Bykov, Sergey A. Gromilov, Alexander V. Kurnosov, Clemens Prescher, Vitali B. Prakapenka, Wilson A. Crichton, Michael Hanfland, Serena Margadonna Orcid Logo, Leonid S. Dubrovinsky

Journal of Alloys and Compounds, Volume: 700, Pages: 198 - 207

Swansea University Authors: Kirill Yusenko, Serena Margadonna Orcid Logo

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DOI (Published version): 10.1016/j.jallcom.2016.12.207

Abstract

An in situ powder X-ray diffraction has been used for a monitoring a formation of hcp-Ir0.55Os0.45 alloy from (NH4)2[Ir0.55Os0.45Cl6] precursor. A crystalline intermediate compound and nanodimentional metallic particles with a large concentration of defects has been found as key intermediates in the...

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Published in: Journal of Alloys and Compounds
ISSN: 0925-8388
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31566
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spelling 2020-07-16T14:38:26.9254822 v2 31566 2017-01-04 High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys 5f69729173cc92ee7f08d59ffcef3e81 Kirill Yusenko Kirill Yusenko true false e31904a10b1b1240b98ab52d9977dfbe 0000-0002-6996-6562 Serena Margadonna Serena Margadonna true false 2017-01-04 EEN An in situ powder X-ray diffraction has been used for a monitoring a formation of hcp-Ir0.55Os0.45 alloy from (NH4)2[Ir0.55Os0.45Cl6] precursor. A crystalline intermediate compound and nanodimentional metallic particles with a large concentration of defects has been found as key intermediates in the thermal decomposition process in hydrogen flow. High-temperature stability of titled hcp-structured alloys has been investigated upon compression up to 11 GPa using a multi-anvil press and up to 80 GPa using laser-heated diamond-anvil cells to obtain a phase separation into fcc + hcp mixture. Obtained high-pressure high-temperature data allowed us to construct the first model for pressure-dependent Ir─Os phase diagram. Journal Article Journal of Alloys and Compounds 700 198 207 0925-8388 High-pressure; High-temperature; Alloys; Iridium; Osmium 5 4 2017 2017-04-05 10.1016/j.jallcom.2016.12.207 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2020-07-16T14:38:26.9254822 2017-01-04T12:42:57.4350877 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Kirill Yusenko 1 Elena Bykova 2 Maxim Bykov 3 Sergey A. Gromilov 4 Alexander V. Kurnosov 5 Clemens Prescher 6 Vitali B. Prakapenka 7 Wilson A. Crichton 8 Michael Hanfland 9 Serena Margadonna 0000-0002-6996-6562 10 Leonid S. Dubrovinsky 11 0031566-04012017124354.pdf yusenko2016.pdf 2017-01-04T12:43:54.0470000 Output 5015216 application/pdf Accepted Manuscript true 2017-12-23T00:00:00.0000000 true
title High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
spellingShingle High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
Kirill Yusenko
Serena Margadonna
title_short High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
title_full High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
title_fullStr High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
title_full_unstemmed High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
title_sort High-pressure high-temperature stability of hcp-IrxOs1−x (x = 0.50 and 0.55) alloys
author_id_str_mv 5f69729173cc92ee7f08d59ffcef3e81
e31904a10b1b1240b98ab52d9977dfbe
author_id_fullname_str_mv 5f69729173cc92ee7f08d59ffcef3e81_***_Kirill Yusenko
e31904a10b1b1240b98ab52d9977dfbe_***_Serena Margadonna
author Kirill Yusenko
Serena Margadonna
author2 Kirill Yusenko
Elena Bykova
Maxim Bykov
Sergey A. Gromilov
Alexander V. Kurnosov
Clemens Prescher
Vitali B. Prakapenka
Wilson A. Crichton
Michael Hanfland
Serena Margadonna
Leonid S. Dubrovinsky
format Journal article
container_title Journal of Alloys and Compounds
container_volume 700
container_start_page 198
publishDate 2017
institution Swansea University
issn 0925-8388
doi_str_mv 10.1016/j.jallcom.2016.12.207
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description An in situ powder X-ray diffraction has been used for a monitoring a formation of hcp-Ir0.55Os0.45 alloy from (NH4)2[Ir0.55Os0.45Cl6] precursor. A crystalline intermediate compound and nanodimentional metallic particles with a large concentration of defects has been found as key intermediates in the thermal decomposition process in hydrogen flow. High-temperature stability of titled hcp-structured alloys has been investigated upon compression up to 11 GPa using a multi-anvil press and up to 80 GPa using laser-heated diamond-anvil cells to obtain a phase separation into fcc + hcp mixture. Obtained high-pressure high-temperature data allowed us to construct the first model for pressure-dependent Ir─Os phase diagram.
published_date 2017-04-05T03:38:34Z
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score 11.035655

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