Growth, thermal stability and structure of ultrathin Zn-layers on Pd(1 1 1)

Growth, thermal stability and structure of ultrathin Zn-layers on Pd(1 1 1)

Low-energy ion scattering with monolayer sensitivity was applied to investigate ultrathin films of zinc on Pd(1 1 1). Uptake curves taken at 150 K indicate the simultaneous growth of multilayers with negligible interlayer transport. Annealing experiments for two-monolayer films reveal a rapid decrea...

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Veröffentlicht in:Surface science. - 1997. - 603(2009), 1-3 vom: 01. Jan., Seite 251-255
1. Verfasser: Stadlmayr, Werner (VerfasserIn)
Weitere Verfasser: Penner, Simon, Klötzer, Bernhard, Memmel, Norbert
Format: Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Surface science
Schlagworte:Journal Article
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520 |a Low-energy ion scattering with monolayer sensitivity was applied to investigate ultrathin films of zinc on Pd(1 1 1). Uptake curves taken at 150 K indicate the simultaneous growth of multilayers with negligible interlayer transport. Annealing experiments for two-monolayer films reveal a rapid decrease in the zinc content on the surface layer at temperatures above 300 K, forming a metastable state with a Pd:Zn surface ratio of approx. 1:1 in the temperature region between 400 and 550 K. This state is most easily explained as a slightly buckled p(2 × 1)-PdZn surface alloy, with Zn atoms located approx. 0.25 Å above their Pd counterparts 
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700 1 |a Memmel, Norbert  |e verfasserin  |4 aut 
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