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Anisotropic surface-state-mediated RKKY interaction between adatoms

Published

Author(s)

Paul N. Patrone, T L. Einstein

Abstract

Motivated by recent numerical studies of Ag on Pt(111), we derive a far-field expression for the RKKY interaction mediated by surface states on a (111) FCC surface. The main contribution to the interaction comes from electrons whose Fermi velocity is parallel to the vector connecting the interacting adatoms. The interaction is oscillatory; the amplitude and wavelength of oscillations have angular dependence, which is directly related to the anisotropy of the surface state dispersion relation.
Citation
Physical Review B
Volume
85
Issue
4

Keywords

Surface State, RKKY, Anisotropy, Stationary Phase

Citation

Patrone, P. and Einstein, T. (2012), Anisotropic surface-state-mediated RKKY interaction between adatoms, Physical Review B, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=909398 (Accessed April 24, 2024)
Created January 18, 2012, Updated February 19, 2017