J.H. White and H.D. Abruña, An in situ s
✦ LIBER ✦
Observation of an sp-derived surface resonance on Pt(111) indicating the crucial role of surface states in physisorption
✍ Scribed by P. Roos; E. Bertel; K.D. Rendulic
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 392 KB
- Volume
- 232
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
High-resolution angle-resolved photoemission of Pt ( 111 ) reveals the presence of an sp-derived surface resonance close to E F in the centre of the surface Brillouin zone. Similar surface states are found on all ( 111 ) faces of the d 9 transition and the noble metals with the only exception of Pd( ). This finding is used to explain previous observations of an exceptional physisorption behaviour of Pd( 111 ) towards Xe and H2. The results strongly suggest that surface states crucially influence the physisorption potential on metal surfaces.
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