http://www.cnr.it/ontology/cnr/individuo/prodotto/ID34082
Effects of annealing on the Au/Si(111)-H interface: a high energy and spatial resolution (Articolo in rivista)
- Type
- Label
- Effects of annealing on the Au/Si(111)-H interface: a high energy and spatial resolution (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.susc.2004.06.200 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- R. Flammini (a); F. Wiame (a); R. Belkhou (a); A.Taleb-Ibrahimi (a); L. Gregoratti (b); A. Barinov (b); M. Marsi (b); M. Kiskinova (b) (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a) LURE Center Universitaire de Paris Sud, 91898 Orsay, France
b) Sincrotrone Trieste, Basovizza, I-34012 Trieste, Italy (literal)
- Titolo
- Effects of annealing on the Au/Si(111)-H interface: a high energy and spatial resolution (literal)
- Abstract
- The interaction between the hydrogenated silicon surface and gold,has been investigated as a function of temperature by means of high resolution core-level photoelectron spectroscopy (PES)and scanning photoelectron microscopy (SPEM).We have studied the e ffect of the annealing on a sample obtained by deposition of 1.5 ML of gold on an in-situ hydrogenated Si(1 11)-7 ยท7 substrate.In order to characterize the substrate as well as the adsorbate,both Si 2p and Au4f core-levels have been analysed.Our results show that,after annealing at 550 C,bidimensional (2D)and tridimensional (3D)phases coexist.The two phases have been spectroscopically characterized.On the 3D phase (micrometer sized islands)a bulk-Au component is present in the Au4f7/2 spectrum. We argue that the presence of the hydrogen layer promoted the formation of the islands.We propose a model for the temperature evolution of this interface. (literal)
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