Properties of ultrathin Pb layers on the Ni(111) face

A. Krupski and S. Mróz
Phys. Rev. B 66, 035410 – Published 19 July 2002
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Abstract

The atomic structure and morphology of ultrathin Pb layers deposited on the Ni(111) face in ultrahigh vacuum at the substrate temperature ranging from 150 to 910 K were investigated with the use of Auger electron spectroscopy (AES), low-energy electron diffraction, and directional elastic peak electron spectroscopy (DEPES). The analysis of AES measurements indicates that the two-dimensional growth of the first Pb monolayer takes place for the substrate temperature 180K<T<480K. For 180K<T<270K, flat two- and three-atomic layer islands (“wedding cakes”) seem to grow after the completion of the first lead monolayer. Then, the three-dimensional growth starts. DEPES measurements indicate that for layers deposited at T=150K a twin interface abcBACBAC is formed between the Ni substrate and the Pb layer.

  • Received 4 January 2002

DOI:https://doi.org/10.1103/PhysRevB.66.035410

©2002 American Physical Society

Authors & Affiliations

A. Krupski* and S. Mróz

  • Institute of Experimental Physics, University of Wrocław, Pl. Maxa Borna 9, 50-205 Wrocław, Poland

  • *Electronic address: akrupski@ifd.uni.wroc.pl

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Vol. 66, Iss. 3 — 15 July 2002

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