Universität zu Köln

Dubrovinsky, Leonid ORCID: 0000-0002-3717-7585, Khandarkhaeva, Saiana, Fedotenko, Timofey, Laniel, Dominique ORCID: 0000-0002-6889-9820, Bykov, Maxim ORCID: 0000-0003-0248-1728, Giacobbe, Carlotta, Lawrence Bright, Eleanor, Sedmak, Pavel, Chariton, Stella, Prakapenka, Vitali, Ponomareva, Alena V., Smirnova, Ekaterina A., Belov, Maxim P., Tasnadi, Ferenc ORCID: 0000-0001-6373-5109, Shulumba, Nina, Trybel, Florian ORCID: 0000-0003-0514-5084, Abrikosov, Igor A. and Dubrovinskaia, Natalia (2022). Materials synthesis at terapascal static pressures. Nature, 605 (7909). S. 274 - 279. BERLIN: NATURE PORTFOLIO. ISSN 1476-4687

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Abstract

Theoretical modelling predicts very unusual structures and properties of materials at extreme pressure and temperature conditions(1,2). Hitherto, their synthesis and investigation above 200 gigapascals have been hindered both by the technical complexity of ultrahigh-pressure experiments and by the absence of relevant in situ methods of materials analysis. Here we report on a methodology developed to enable experiments at static compression in the terapascal regime with laser heating. We apply this method to realize pressures of about 600 and 900 gigapascals in a laser-heated double-stage diamond anvil cell(3), producing a rhenium-nitrogen alloy and achieving the synthesis of rhenium nitride Re7N3-which, as our theoretical analysis shows, is only stable under extreme compression. Full chemical and structural characterization of the materials, realized using synchrotron single-crystal X-ray diffraction on microcrystals in situ, demonstrates the capabilities of the methodology to extend high-pressure crystallography to the terapascal regime.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Dubrovinsky, Leonid UNSPECIFIED orcid.org/0000-0002-3717-7585 UNSPECIFIED Khandarkhaeva, Saiana UNSPECIFIED UNSPECIFIED UNSPECIFIED Fedotenko, Timofey UNSPECIFIED UNSPECIFIED UNSPECIFIED Laniel, Dominique UNSPECIFIED orcid.org/0000-0002-6889-9820 UNSPECIFIED Bykov, Maxim UNSPECIFIED orcid.org/0000-0003-0248-1728 UNSPECIFIED Giacobbe, Carlotta UNSPECIFIED UNSPECIFIED UNSPECIFIED Lawrence Bright, Eleanor UNSPECIFIED UNSPECIFIED UNSPECIFIED Sedmak, Pavel UNSPECIFIED UNSPECIFIED UNSPECIFIED Chariton, Stella UNSPECIFIED UNSPECIFIED UNSPECIFIED Prakapenka, Vitali UNSPECIFIED UNSPECIFIED UNSPECIFIED Ponomareva, Alena V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Smirnova, Ekaterina A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Belov, Maxim P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tasnadi, Ferenc UNSPECIFIED orcid.org/0000-0001-6373-5109 UNSPECIFIED Shulumba, Nina UNSPECIFIED UNSPECIFIED UNSPECIFIED Trybel, Florian UNSPECIFIED orcid.org/0000-0003-0514-5084 UNSPECIFIED Abrikosov, Igor A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dubrovinskaia, Natalia UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-688400
DOI:	10.1038/s41586-022-04550-2
Journal or Publication Title:	Nature
Volume:	605
Number:	7909
Page Range:	S. 274 - 279
Date:	2022
Publisher:	NATURE PORTFOLIO
Place of Publication:	BERLIN
ISSN:	1476-4687
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SYSTEM Multiple languages Multidisciplinary Sciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/68840