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

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  • A. Krupski
  • S. Mróz
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 180 K<T<480 K. For 180 K<T<270 K, 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=150 K a twin interface abcBACBAC is formed between the Ni substrate and the Pb layer.
Original languageEnglish
Pages (from-to)035410
JournalPhysical Review B
Volume66
Issue number3
DOIs
Publication statusPublished - 2002

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