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Synthesis of Ultra‐Incompressible and Recoverable Carbon Nitrides Featuring CN4 Tetrahedra

Laniel, Dominique (author)
Centre for Science at Extreme Conditions and School of Physics and Astronomy University of Edinburgh Edinburgh EH9 3FD UK;Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth 95440 Bayreuth Germany
Trybel, Florian, Dr. rer. nat. 1993- (author)
Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
Aslandukov, Andrey (author)
Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth 95440 Bayreuth Germany;Bayerisches Geoinstitut University of Bayreuth 95440 Bayreuth Germany
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Khandarkhaeva, Saiana (author)
Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth 95440 Bayreuth Germany
Fedotenko, Timofey (author)
Photon Science Deutsches Elektronen‐Synchrotron Notkestrasse 85 22607 Hamburg Germany
Yin, Yuqing (author)
Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth 95440 Bayreuth Germany;State Key Laboratory of Crystal Materials Shandong University Jinan 250100 China
Miyajima, Nobuyoshi (author)
Bayerisches Geoinstitut University of Bayreuth 95440 Bayreuth Germany
Tasnadi, Ferenc, 1975- (author)
Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
Ponomareva, Alena V. (author)
Materials Modeling and Development Laboratory NUST “MISIS” Moscow 119049 Russia
Jena, Nityasagar, 1990- (author)
Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
Akbar, Fariia Iasmin (author)
Bayerisches Geoinstitut University of Bayreuth 95440 Bayreuth Germany
Winkler, Bjoern (author)
Institut für Geowissenschaften Abteilung Kristallographie Johann Wolfgang Goethe‐Universität Frankfurt Altenhöferallee 1 D‐60438 Frankfurt am Main Germany
Néri, Adrien (author)
Bayerisches Geoinstitut University of Bayreuth 95440 Bayreuth Germany
Chariton, Stella (author)
Center for Advanced Radiation Sources University of Chicago Chicago IL 60637 USA
Prakapenka, Vitali (author)
Center for Advanced Radiation Sources University of Chicago Chicago IL 60637 USA
Milman, Victor (author)
Dassault Systèmes BIOVIA Cambridge CB4 0FJ UK
Schnick, Wolfgang (author)
Department of Chemistry University of Munich (LMU) Butenandtstrasse 5–13 81377 Munich Germany
Rudenko, Alexander N. (author)
Radboud University Institute for Molecules and Materials Heijendaalseweg 135 Nijmegen 6525 AJ The Netherlands
Katsnelson, Mikhail I. (author)
Radboud University Institute for Molecules and Materials Heijendaalseweg 135 Nijmegen 6525 AJ The Netherlands
Abrikosov, Igor A., Professor, 1965- (author)
Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
Dubrovinsky, Leonid (author)
Bayerisches Geoinstitut University of Bayreuth 95440 Bayreuth Germany
Doubrovinckaia, Natalia, Gästprofessor (author)
Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten,Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth 95440 Bayreuth Germany
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 (creator_code:org_t)
WILEY-V C H VERLAG GMBH, 2024
2024
English.
In: Advanced Materials. - : WILEY-V C H VERLAG GMBH. - 0935-9648 .- 1521-4095. ; 36:3
Related links:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Carbon nitrides featuring three-dimensional frameworks of CN4 tetrahedra are one of the great aspirations of materials science, expected to have a hardness greater than or comparable to diamond. After more than three decades of efforts to synthesize them, no unambiguous evidence of their existence has been delivered. Here, the high-pressure high-temperature synthesis of three carbon-nitrogen compounds, tI14-C3N4, hP126-C3N4, and tI24-CN2, in laser-heated diamond anvil cells, is reported. Their structures are solved and refined using synchrotron single-crystal X-ray diffraction. Physical properties investigations show that these strongly covalently bonded materials, ultra-incompressible and superhard, also possess high energy density, piezoelectric, and photoluminescence properties. The novel carbon nitrides are unique among high-pressure materials, as being produced above 100 GPa they are recoverable in air at ambient conditions.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

3D frameworks of CN4 tetrahedra; ambient conditions recoverability; carbon nitrides; diamond anvil cell; high pressure syntheses; single-crystal X-ray diffraction; superhardness; ultra-incompressibility

Publication and Content Type

ref (subject category)
art (subject category)

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