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Decay of core excitations in bulk h-BN studied with resonant Auger spectroscopy

Publiceringsår: 2005
Språk: Engelska
Sidor: 59-64
Publikation/Tidskrift/Serie: Journal of Electron Spectroscopy and Related Phenomena
Volym: 148
Nummer: 1
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier


Non-radiative decay of core excitations at the B 1s and N 1s absorption edges of bulk hexagonal boron nitride (h-BN) has been studied with resonant Auger spectroscopy. In order to reproduce the bulk properties of the sample while keeping it electrically conducting, we have grown reasonably thick (more than 20nm) polycrystalline films of h-BN on a Ni(111) surface by thermal cracking of borazine vapor. The probability of the participator Auger process in the non-radiative decay of the B 1s(-1) pi* and N 1s(-1) pi* excitations has been found to be very high (31%) and rather low (below 0.5%), respectively. The drastic difference between the participator Auger decay probabilities of these two excitations has been explained in terms of different localization of the electrons promoted into the lowest unoccupied pi* state on the cationic (B) and anionic (N) sites.


  • Physical Sciences
  • Natural Sciences
  • resonant Auger
  • photoelectron spectroscopy
  • boron nitride
  • spectroscopy


  • ISSN: 0368-2048

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