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URN to cite this document: urn:nbn:de:bvb:703-epub-8360-2
Title data
Khandarkhaeva, Saiana ; Fedotenko, Timofey ; Aslandukova, Alena ; Akbar, Fariia Iasmin ; Bykov, Maxim ; Laniel, Dominique ; Aslandukov, Andrii ; Ruschewitz, Uwe ; Tobeck, Christian ; Winkler, Björn ; Chariton, Stella ; Prakapenka, Vitali ; Glazyrin, Konstantin ; Giacobbe, Carlotta ; Bright, Eleanor Lawrence ; Belov, Maxim P. ; Dubrovinskaia, Natalia ; Dubrovinsky, Leonid:
Extending carbon chemistry at high-pressure by synthesis of CaC₂ and Ca₃C₇ with deprotonated polyacene- and para-poly(indenoindene)-like nanoribbons.
In: Nature Communications.
Vol. 15
(2024)
.
- 2855.
ISSN 2041-1723
DOI der Verlagsversion: https://doi.org/10.1038/s41467-024-47138-2
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Project information
| Project title: |
Project's official title Project's id Entschlüsselung der exotischen Chemie von Hochdruck-Stickstoffverbindungen 456543021 FOR 2125: "Structures, properties and reactions of carbonates at high temperatures and pressures" 242495784 Grundlegendes Verständnis der Elektronenübergänge in Metallen und Legierungen der Platingruppe durch Hochdruckexperimente und ab initio Theorien 338621729 Hochdrucksynthese neuartiger Stickstoff (N)-Halogen (Hal)-Verbindungen: binäre N-Hal und ternäre H-N-Hal (Hal = F, Cl, Br, I) 526080028 Wasserstoffbrückenbindungen unter Extremen Bedingungen: Kernquanteneffekte und Symmetrisierung der Wasserstoffbrückenbindung untersucht mit 1H-NMR in Diamantstempelzellen 421754429 Open Access Publizieren No information |
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| Project financing: |
Deutsche Forschungsgemeinschaft |
Abstract
Metal carbides are known to contain small carbon units similar to those found in the molecules of methane, acetylene, and allene. However, for numerous binary systems ab initio calculations predict the formation of unusual metal carbides with exotic polycarbon units, [C₆] rings, and graphitic carbon sheets at high pressure (HP). Here we report the synthesis and structural characterization of a HP-CaC₂ polymorph and a Ca₃C₇ compound featuring deprotonated polyacene-like and para-poly(indenoindene)-like nanoribbons, respectively. We also demonstrate that carbides with infinite chains of fused [C₆] rings can exist even at conditions of deep planetary interiors ( ~ 140 GPa and ~3300 K). Hydrolysis of high-pressure carbides may provide a possible abiotic route to polycyclic aromatic hydrocarbons in Universe.
Further data
| Item Type: | Article in a journal |
|---|---|
| DDC Subjects: | 500 Science > 530 Physics |
| 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 Doubrovinskaia Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences |
| Language: | English |
| Originates at UBT: | Yes |
| URN: | urn:nbn:de:bvb:703-epub-8360-2 |
| Date Deposited: | 26 Mar 2025 10:37 |
| Last Modified: | 17 Oct 2025 13:25 |
| URI: | https://epub.uni-bayreuth.de/id/eprint/8360 |
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