Phys. Rev. B 48, 15283 (1993) - Annealing properties of the 0.5-ML Pd/Cu(100) surface alloy

Annealing properties of the 0.5-ML Pd/Cu(100) surface alloy

G. W. Anderson, T. D. Pope, Kjeld O. Jensen, K. Griffiths, P. R. Norton, and Peter J. Schultz

Phys. Rev. B 48, 15283 – Published 15 November 1993

Abstract

The annealing properties of the 0.5-monolayer Pd/Cu(100) surface alloy at 353 K have been investigated using reemitted-positron spectroscopy, low-energy electron diffraction, Auger electron spectroscopy, electron work function, and thermal-desorption spectroscopy. During the thermal treatment, Pd dissolution into the substrate is observed, with a time constant of ∼33 min. In addition, near-surface defects (possibly steps) are observed to anneal out with a time constant of 82 min.

Received 29 June 1993

DOI:https://doi.org/10.1103/PhysRevB.48.15283

©1993 American Physical Society

Authors & Affiliations

G. W. Anderson and T. D. Pope

Interface Science Western and Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7

Kjeld O. Jensen

Positron Beam Laboratory and Department of Physics, University of Western Ontario, London, Ontario, Canada N6A 5B7

K. Griffiths and P. R. Norton

Interface Science Western and Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7

Peter J. Schultz

Positron Beam Laboratory and Department of Physics, University of Western Ontario, London, Ontario, Canada N6A 5B7

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Vol. 48, Iss. 20 — 15 November 1993

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