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STEP–STEP INTERACTION ENERGY ONCu(111)VICINAL SURFACES

Author

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  • MARGRET GIESEN

    (Institut für Grenzflächenforschung und Vakuumphysik, Forschungszentrum Jülich, D 52425 Jülich, Germany)

  • GEORG SCHULZE ICKING-KONERT

    (Institut für Grenzflächenforschung und Vakuumphysik, Forschungszentrum Jülich, D 52425 Jülich, Germany)

Abstract

We have measured the terrace width distribution on copper (111) vicinal surfaces with (100) steps. For all surfaces, the distribution is well fitted by a Gaussian. The width of the Gaussian scales with the mean terrace widthL, which is indicative of a repulsive1/L2interaction potential between steps. We determine an interaction strength of the potential of3.2± 0.2meV per atom length. From the temperature-dependent analysis of the step–step distance distribution, we find a kink formation energy for (100) steps of0.12± 0.03eV, which is consistent with previous measurements of the kink energy on copper (100) vicinal surfaces.

Suggested Citation

  • Margret Giesen & Georg Schulze Icking-Konert, 1999. "STEP–STEP INTERACTION ENERGY ONCu(111)VICINAL SURFACES," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 6(01), pages 27-34.
    • Handle: RePEc:wsi:srlxxx:v:06:y:1999:i:01:n:s0218625x99000068
    DOI: 10.1142/S0218625X99000068
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