A combined experimental and theoretical study

نویسندگان

  • J. C. Lian
  • E. Finazzi
  • C. Di Valentin
  • T. Risse
  • H.-J. Gao
  • G. Pacchioni
  • H.-J. Freund
چکیده

In this Letter the interaction of Li atoms with terrace sites of MgO(0 0 1) surfaces is characterized by combining EPR spectroscopy with theoretical calculations. The Li atoms adsorbed to MgO terrace sites show a reduction of the isotropic hyperfine coupling constant by approximately 50% with respect to Li atoms in the gas phase. In combination with theoretical calculations it can be shown that this reduction of the hyperfine coupling constant is not due to a charge transfer between Li and MgO but can be understood by a polarization of the Li atoms which are essentially neutral. 2007 Elsevier B.V. All rights reserved.

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تاریخ انتشار 2008