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Issue 24, 2017
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Extra electronic outer-shell peculiarities accessible under a joint XPS and DFT study

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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.

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

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Publication details

The article was received on 10 Feb 2017, accepted on 22 May 2017 and first published on 22 May 2017


Article type: Paper
DOI: 10.1039/C7CP00900C
Citation: Phys. Chem. Chem. Phys., 2017,19, 15842-15848
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    Extra electronic outer-shell peculiarities accessible under a joint XPS and DFT study

    A. R. Cholach, I. P. Asanov, A. A. Bryliakova and A. V. Okotrub, Phys. Chem. Chem. Phys., 2017, 19, 15842
    DOI: 10.1039/C7CP00900C

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