Extra electronic outer-shell peculiarities accessible under a joint XPS and DFT study

A. R. Cholach, I. P. Asanov, A. A. Bryliakova, A. V. Okotrub

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Electronic configuration of chemically bound atoms at the surface, including adsorbed species, or in the bulk of a solid contains a set of natural traps for energy absorption provided by valence band transitions or plasmon oscillations. The core level excitation of any origin is generally coupled with those traps, forming a multichannel route for nonradiative energy dissipation. Using an example of Pt and graphite-based materials, the study shows experimental tracing over these channels by means of elastic electron scattering and X-ray photoelectron spectroscopy. As a complement to the experimental data, calculations of the density of states provide information on chemical behavior and local geometry of the atoms in a sample.

Original languageEnglish
Pages (from-to)15842-15848
Number of pages7
JournalPhysical Chemistry Chemical Physics
Volume19
Issue number24
DOIs
Publication statusPublished - 28 Jun 2017

Keywords

  • X-RAY-ABSORPTION
  • THERMAL-DESORPTION
  • GRAPHITE
  • ADSORPTION
  • PHOTOEMISSION
  • SPECTROSCOPY
  • SCATTERING
  • SURFACES
  • GRAPHENE
  • CO

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