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Monolayer of h-BN chemisorbed on Cu(111) and Ni(111): The role of the transition metal 3d states

In English

Författare

Summary, in English

The role of the transition metal 3d states in the adsorption of h-BN on Cu(111) and Ni(111) has been studied by NEXAFS and PE spectroscopies and by work function measurements. Based on the analysis of drastic differences in the spectra from h-BN/Cu(111) and h-BN/Ni(111), it has been concluded that the strength of chemical bonding at the interfaces under study is determined mainly by the strength of the TM 3d-h-BN pi orbital hybridization. On Ni(111) h-BN is found to be strongly chemisorbed, while on Cu(111) only weak chemisorption is observed. On Ni(111) the h-BN monolayer is probably metallic. On Cu(111) the monolayer should possibly also be considered as metallic. however its metallic properties are much less pronounced, and the situation is somewhat uncertain.

Publiceringsår

2005

Språk

Engelska

Sidor

21-30

Publikation/Tidskrift/Serie

Surface Science

Volym

582

Issue

1-3

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Physical Sciences
  • Natural Sciences

Nyckelord

  • chemisorption
  • work function measurements
  • spectroscopy
  • photoelectron
  • NEXAFS
  • copper
  • nickel
  • boron nitride
  • graphite

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0039-6028