Discriminating Crystal Binding from the Atomic Trapping of a Core Electron at Energy Levels Shifted by Surface Relaxation or Nanosolid Formation

Sun, Chang Qing, Tay, Beng Kang, Fu, Yong Qing, Li, Sean, Chen, Tu Pei, Bai, H. L. and Jiang, E. Y. (2003) Discriminating Crystal Binding from the Atomic Trapping of a Core Electron at Energy Levels Shifted by Surface Relaxation or Nanosolid Formation. The Journal of Physical Chemistry B, 107 (2). pp. 411-414. ISSN 1520-6106

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Abstract

On the basis of the atomic-coordination−atomic-radius correlation (Feibelman, P. J. Phys. Rev. B 1996, 53, 13740. Goldschmidt, V. M. Ber. Dtsch. Chem. Ges. 1927, 60, 1270.) and its perturbation of the Hamiltonian of an extended solid, we have developed an effective yet straightforward method to determine the core-level energies of an isolated atom and the crystal-binding intensities of the core electrons at energy levels shifted by bulk formation, surface relaxation, or nanosolid formation. The developed method not only allows the predicted size dependence of core-level shift to match observations but also enables conventional X-ray photoelectron spectroscopy (XPS) to provide comprehensive information about the behavior of electrons in the deeper shells of an isolated atom and the influence of crystal formation.

Item Type:	Article
Subjects:	F200 Materials Science
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	26 Mar 2015 11:52
Last Modified:	12 Oct 2019 19:05
URI:	http://nrl.northumbria.ac.uk/id/eprint/21801

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