Author
Listed:
- Leonid Dubrovinsky
(University of Bayreuth)
- Saiana Khandarkhaeva
(University of Bayreuth
Laboratory of Crystallography University of Bayreuth)
- Timofey Fedotenko
(Deutsches Elektronen-Synchrotron (DESY))
- Dominique Laniel
(Laboratory of Crystallography University of Bayreuth)
- Maxim Bykov
(University of Cologne)
- Carlotta Giacobbe
(European Synchrotron Radiation Facility)
- Eleanor Lawrence Bright
(European Synchrotron Radiation Facility)
- Pavel Sedmak
(European Synchrotron Radiation Facility)
- Stella Chariton
(The University of Chicago)
- Vitali Prakapenka
(The University of Chicago)
- Alena V. Ponomareva
(National University of Science and Technology “MISIS”)
- Ekaterina A. Smirnova
(National University of Science and Technology “MISIS”)
- Maxim P. Belov
(National University of Science and Technology “MISIS”)
- Ferenc Tasnádi
(Linköping University)
- Nina Shulumba
(Linköping University)
- Florian Trybel
(Linköping University)
- Igor A. Abrikosov
(Linköping University)
- Natalia Dubrovinskaia
(Laboratory of Crystallography University of Bayreuth
Linköping University)
Abstract
Theoretical modelling predicts very unusual structures and properties of materials at extreme pressure and temperature conditions1,2. 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 cell3, 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.
Suggested Citation
Leonid Dubrovinsky & Saiana Khandarkhaeva & Timofey Fedotenko & Dominique Laniel & Maxim Bykov & Carlotta Giacobbe & Eleanor Lawrence Bright & Pavel Sedmak & Stella Chariton & Vitali Prakapenka & Alen, 2022.
"Materials synthesis at terapascal static pressures,"
Nature, Nature, vol. 605(7909), pages 274-278, May.
Handle:
RePEc:nat:nature:v:605:y:2022:i:7909:d:10.1038_s41586-022-04550-2
DOI: 10.1038/s41586-022-04550-2
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