ON THE POSSIBILITY OF KONDO EFFECT ON THE SURFACE OF MAGNETIC SUBSTANCE

Shin-Ichiro Kondo ()
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Shin-Ichiro Kondo: Department of Materials Science and Engineering, Nagasaki University, Nagasaki 852-8521, Japan

Surface Review and Letters (SRL), 1999, vol. 06, issue 05, 725-733

Abstract: We theoretically discuss and examine spin polarization of the electrons scattered on the surface of a magnetic dilute alloy with a very small amount of 3d magnetic impurities when the incident electron, the energy of which is as low as Fermi level, has exchange interaction with the localized spin existing on the surface. It is found that exchange interaction between the incident electron and localized spin can be regarded ass–dinteraction in the case of the energy of the incident electron as low as Fermi level and that scattering polarization asymmetry Λ includes the term of lnTassociated with the many-body interaction between incident anddelectron by the calculation of second order perturbation. Accordingly it seems possible that the dependence of Λ on the term of lnT, as observed in Kondo effect, may be expected to appear.

Date: 1999
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DOI: 10.1142/S0218625X99000718

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