Epitaxial growth of a single-domain hexagonal boron nitride monolayer (Articolo in rivista)

Type
Label
  • Epitaxial growth of a single-domain hexagonal boron nitride monolayer (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nn5058968 (literal)
Alternative label
  • Fabrizio Orlando (1); Paolo Lacovig (2); Luca Omiciuolo (1); Nicoleta G. Apostol (2,3); Rosanna Larciprete (4); Alessandro Baraldi (1,2,5); Silvano Lizzit (2) (2014)
    Epitaxial growth of a single-domain hexagonal boron nitride monolayer
    in ACS nano
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fabrizio Orlando (1); Paolo Lacovig (2); Luca Omiciuolo (1); Nicoleta G. Apostol (2,3); Rosanna Larciprete (4); Alessandro Baraldi (1,2,5); Silvano Lizzit (2) (literal)
Pagina inizio
  • 12063 (literal)
Pagina fine
  • 12070 (literal)
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  • Publication Date (Web): November 12, 2014. (literal)
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  • http://pubs.acs.org/doi/abs/10.1021/nn5058968 (literal)
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  • 8 (literal)
Rivista
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  • 12 (literal)
Note
  • Scopu (literal)
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  • (1) Physics Department, University of Trieste, Via Valerio 2, 34127 Trieste, Italy (2) Elettra-Sincrotrone Trieste S.C.p.A., AREA Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy (3) National Institute of Materials Physics, Atomistilor 105b, 077125 Magurele-Ilfov, Romania (4) CNR-Institute for Complex Systems, Via Fosso del Cavaliere 100, 00133 Roma, Italy (5) IOM-CNR, Laboratorio TASC, AREA Science Park, S.S. 14 km 163.5, 34149 Trieste, Italy (literal)
Titolo
  • Epitaxial growth of a single-domain hexagonal boron nitride monolayer (literal)
Abstract
  • We investigate the structure of epitaxially grown hexagonal boron nitride (h-BN) on Ir(111) by chemical vapor deposition of borazine. Using photoelectron diffraction spectroscopy, we unambiguously show that a single-domain h-BN monolayer can be synthesized by a cyclic dose of high-purity borazine onto the metal substrate at room temperature followed by annealing at T = 1270 K, this method giving rise to a diffraction pattern with 3-fold symmetry. In contrast, high-temperature borazine deposition (T = 1070 K) results in a h-BN monolayer formed by domains with opposite orientation and characterized by a 6-fold symmetric diffraction pattern. We identify the thermal energy and the binding energy difference between fcc and hcp seeds as key parameters in controlling the alignment of the growing h-BN clusters during the first stage of the growth, and we further propose structural models for the h-BN monolayer on the Ir(111) surface. (literal)
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