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High-Pressure Synth...
High-Pressure Synthesis of Dirac Materials: Layered van der Waals Bonded BeN4 Polymorph
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- Bykov, Maxim (author)
- Carnegie Inst Sci, DC 20015 USA; Howard Univ, DC 20059 USA
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- Fedotenko, Timofey (author)
- Univ Bayreuth, Germany
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- Chariton, Stella (author)
- Univ Chicago, IL 60637 USA
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- Laniel, Dominique (author)
- Univ Bayreuth, Germany
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- Glazyrin, Konstantin (author)
- Deutsch Electronen Synchrotron DESY, Germany
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- Hanfland, Michael (author)
- European Synchrotron Radiat Facil, France
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- Smith, Jesse S. (author)
- Argonne Natl Lab, IL 60439 USA
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- Prakapenka, Vitali B. (author)
- Univ Chicago, IL 60637 USA
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- Mahmood, Mohammad F. (author)
- Howard Univ, DC 20059 USA
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- Goncharov, Alexander F. (author)
- Carnegie Inst Sci, DC 20015 USA
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- Ponomareva, Alena V (author)
- Natl Univ Sci & Technol MISIS, Russia
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- Tasnadi, Ferenc (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Abrikossov, Alexei (author)
- Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten
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- Masood, Talha Bin (author)
- Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten
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- Hotz, Ingrid (author)
- Linköpings universitet,Medie- och Informationsteknik,Tekniska fakulteten
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- Rudenko, Alexander N. (author)
- Wuhan Univ, Peoples R China; Wuhan Univ, Peoples R China; Radboud Univ Nijmegen, Netherlands; Ural Fed Univ, Russia
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- Katsnelson, Mikhail I (author)
- Radboud Univ Nijmegen, Netherlands; Ural Fed Univ, Russia
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- Doubrovinckaia, Natalia (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten,Univ Bayreuth, Germany
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- Dubrovinsky, Leonid (author)
- Univ Bayreuth, Germany
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- Abrikosov, Igor (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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(creator_code:org_t)
- AMER PHYSICAL SOC, 2021
- 2021
- English.
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In: Physical Review Letters. - : AMER PHYSICAL SOC. - 0031-9007 .- 1079-7114. ; 126:17
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- High-pressure chemistry is known to inspire the creation of unexpected new classes of compounds with exceptional properties. Here, we employ the laser-heated diamond anvil cell technique for synthesis of a Dirac material BeN4. A triclinic phase of beryllium tetranitride tr-BeN4 was synthesized from elements at similar to 85 GPa. Upon decompression to ambient conditions, it transforms into a compound with atomic-thick BeN4 layers interconnected via weak van der Waals bonds and consisting of polyacetylene-like nitrogen chains with conjugated pi systems and Be atoms in square-planar coordination. Theoretical calculations for a single BeN4 layer show that its electronic lattice is described by a slightly distorted honeycomb structure reminiscent of the graphene lattice and the presence of Dirac points in the electronic band structure at the Fermi level. The BeN4 layer, i.e., beryllonitrene, represents a qualitatively new class of 2D materials that can be built of a metal atom and polymeric nitrogen chains and host anisotropic Dirac fermions.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bykov, Maxim
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Fedotenko, Timof ...
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Chariton, Stella
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Laniel, Dominiqu ...
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Glazyrin, Konsta ...
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Hanfland, Michae ...
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show more...
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Smith, Jesse S.
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Prakapenka, Vita ...
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Mahmood, Mohamma ...
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Goncharov, Alexa ...
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Ponomareva, Alen ...
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Tasnadi, Ferenc
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Abrikossov, Alex ...
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Masood, Talha Bi ...
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Hotz, Ingrid
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Rudenko, Alexand ...
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Katsnelson, Mikh ...
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Doubrovinckaia, ...
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Dubrovinsky, Leo ...
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Abrikosov, Igor
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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Physical Review ...
- By the university
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Linköping University