Long-range electronic interactions between adatoms on transition metal surfaces

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Ab initio calculations of surface-state mediated interactions between Cu adatoms on transition metal surfaces are presented. We concentrate on Co/Cu(111) and Co(0001) substrates and compare results with our calculations for Cu(111). Our studies show that surface states of Co/Cu(111) and Co(0001) are spin-polarized. We reveal that long-range interactions between adatoms are mainly determined by sp-majority states. In contrast to Cu(111) and Co/Cu(111), the interaction between adatoms on Co(0001) is strongly suppressed at large adsorbate separations.
7 pages, 5 embedded prostscript figures, submited to Computational Materials Science as proceedings of the TAMC'4 Symposium, Toulouse, April 2004

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Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/24062

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0405644
 http://arxiv.org/abs/cond-mat/0405644

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arXiv