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  • Bykov, MaximHoward Univ, DC 20059 USA; Carnegie Inst Sci, DC 20015 USA (author)

Realization of an Ideal Cairo Tessellation in Nickel Diazenide NiN2: High-Pressure Route to Pentagonal 2D Materials

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021-08-06
  • AMER CHEMICAL SOC,2021
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-179447
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-179447URI
  • https://doi.org/10.1021/acsnano.1c04325DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|Army Research Office; Russian Science FoundationRussian Science Foundation (RSF) [18-12-00492]; Ministry of Science and Higher Education of the Russian Federation [K22020-026, 211]; Knut and Alice Wallenberg FoundationKnut & Alice Wallenberg Foundation [KAW-2018.0194]; Swedish Government Strategic Research Areas in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009 00971]; SeRC, the Swedish Research Council (VR) [2019-05600]; Vinnova VINN Excellence Center Functional Nanoscale Materials (FunMat-2) Grant [201605156]; Swedish Research CouncilSwedish Research CouncilEuropean Commission [2016-07213]; National Science Foundation.Earth SciencesNational Science Foundation (NSF) [EAR.1634415]; Department of Energy-GeosciencesUnited States Department of Energy (DOE) [DE-FG0294ER14466]; DOENNSAs Office of Experimental Sciences; DOE Office of ScienceUnited States Department of Energy (DOE) [DEAC02-06CH11357]; [W911NF-192-0172]
  • Most of the studied two-dimensional (2D) materials are based on highly symmetric hexagonal structural motifs. In contrast, lower-symmetry structures may have exciting anisotropic properties leading to various applications in nano-electronics. In this work we report the synthesis of nickel diazenide NiN2 which possesses atomic-thick layers comprised of Ni2N3 pentagons forming Cairo-type tessellation. The layers of NiN2 are weakly bonded with the calculated exfoliation energy of 0.72 J/m(2), which is just slightly larger than that of graphene. The compound crystallizes in the space group of the ideal Cairo tiling (P4/mbm) and possesses significant anisotropy of elastic properties. The single-layer NiN2 is a direct-band-gap semiconductor, while the bulk material is metallic. This indicates the promise of NiN2 to be a precursor of a pentagonal 2D material with a tunable direct band gap.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bykova, ElenaHoward Univ, DC 20059 USA (author)
  • Ponomareva, Alena VNatl Univ Sci & Technol MISIS, Russia (author)
  • Tasnadi, FerencLinköpings universitet,Teoretisk Fysik,Tekniska fakulteten(Swepub:liu)ferta55 (author)
  • Chariton, StellaUniv Chicago, IL 60637 USA (author)
  • Prakapenka, Vitali B.Univ Chicago, IL 60637 USA (author)
  • Glazyrin, KonstantinDeutsch Electronen Synchrotron DESY, Germany (author)
  • Smith, Jesse S.Argonne Natl Lab, IL 60439 USA (author)
  • Mahmood, Mohammad F.Howard Univ, DC 20059 USA (author)
  • Abrikosov, IgorLinköpings universitet,Teoretisk Fysik,Tekniska fakulteten(Swepub:liu)igoab43 (author)
  • Goncharov, Alexander F.Carnegie Inst Sci, DC 20015 USA (author)
  • Howard Univ, DC 20059 USA; Carnegie Inst Sci, DC 20015 USAHoward Univ, DC 20059 USA (creator_code:org_t)

Related titles

  • In:ACS Nano: AMER CHEMICAL SOC15:8, s. 13539-135461936-08511936-086X

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