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High-pressure synthesis of dysprosium carbides

Title data

Akbar, Fariia Iasmin ; Aslandukova, Alena ; Aslandukov, Andrii ; Yin, Yuqing ; Trybel, Florian ; Khandarkhaeva, Saiana ; Fedotenko, Timofey ; Laniel, Dominique ; Bykov, Maxim ; Bykova, Elena ; Dubrovinskaia, Natalia ; Dubrovinsky, Leonid:
High-pressure synthesis of dysprosium carbides.
In: Frontiers in Chemistry. Vol. 11 (2023) . - 1210081.
ISSN 2296-2646
DOI: https://doi.org/10.3389/fchem.2023.1210081

Official URL: Volltext

Project information

Project title:
Project's official title
Project's id
Grant No. 05K19WC1
No information
Projekte DU 954–11/1, DU 393–9/2, and DU 393–13/1
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Open Access Publizieren
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Project financing: Bundesministerium für Bildung und Forschung
Deutsche Forschungsgemeinschaft

Abstract in another language

Chemical reactions between dysprosium and carbon were studied in laser-heated diamond anvil cells at pressures of 19, 55, and 58 GPa and temperatures of ∼2500 K. In situ single-crystal synchrotron X-ray diffraction analysis of the reaction products revealed the formation of novel dysprosium carbides, Dy₄C₃ and Dy₃C₂, and dysprosium sesquicarbide Dy₂C₃ previously known only at ambient conditions. The structure of Dy₄C₃ was found to be closely related to that of dysprosium sesquicarbide Dy₂C₃ with the Pu₂C₃-type structure. Ab initio calculations reproduce well crystal structures of all synthesized phases and predict their compressional behavior in agreement with our experimental data. Our work gives evidence that high-pressure synthesis conditions enrich the chemistry of rare earth metal carbides.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: high-pressure; diamond anvil cell; rare-earth carbides; carbides; rare-earth elements; lanthanides carbides; dysprosium carbide
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions > Professor Materials Physics and Technology at Extreme Conditions - Univ.-Prof. Dr. Natalia Doubrovinckaia
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 13 Feb 2024 09:16
Last Modified: 14 Mar 2024 07:25
URI: https://eref.uni-bayreuth.de/id/eprint/88532