Thermal evolution of the submonolayer near-surface alloy of ZnPd on Pd (111)

Lipton-Duffin, J.A., MacLeod, J.M., Vondráček, M., Prince, K.C., Rosei, R., & Rosei, F. (2014) Thermal evolution of the submonolayer near-surface alloy of ZnPd on Pd (111). Physical Chemistry Chemical Physics, 16(10), pp. 4764-4770.

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We have performed a high-resolution synchrotron radiation photoelectron spectroscopy study of the initial growth stages of the ZnPd near-surface alloy on Pd(111), complemented by scanning tunnelling microscopy data. We show that the chemical environment for surfaces containing less than half of one monolayer of Zn is chemically distinct from subsequent layers. Surfaces where the deposition is performed at room temperature contain ZnPd islands surrounded by a substrate with dilute Zn substitutions. Annealing these surfaces drives the Zn towards the substrate top-layer, and favours the completion of the first 1 : 1 monolayer before the onset of growth in the next layer.

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2 citations in Web of Science®
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ID Code: 89966
Item Type: Journal Article
Refereed: Yes
DOI: 10.1039/c3cp54782e
ISSN: 1463-9084
Divisions: Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 05 Nov 2015 00:41
Last Modified: 26 Jun 2017 05:01

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