| Issue |
EPL
Volume 92, Number 5, December 2010
|
|
|---|---|---|
| Article Number | 57005 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/92/57005 | |
| Published online | 21 December 2010 | |
Evidence for the observation of surface states at the Cu(110)/electrolyte interface
1
Department of Physics, University of Liverpool - Liverpool L69 7ZE, UK, EU
2
Institut für Physikalische und Theoretische Chemie der Univeritat Bonn - Wegelerstrasse 12, D-53115 Bonn, Germany, EU
Received:
23
July
2010
Accepted:
12
November
2010
The reflection anisotropy (RA) spectral profiles of the interfaces between Cu(110) surfaces and H2O, H2SO4 and HCl show a sharp positive feature at 2.2 eV that is identified with a transition between surface states at the 
-point of the surface Brillouin zone. In HCl this peak is narrow, its position is independent of applied potential and its intensity grows with increasing potential. The RA spectra of these interfaces also show a broad negative feature at 4.2 eV similar to that associated with [001] steps on atomically rough Cu(110) surfaces in UHV.
PACS: 73.20.-r – Electron states at surfaces and interfaces / 73.20.At – Surface states, band structure, electron density of states / 78.20.-e – Optical properties of bulk materials and thin films
© EPLA, 2010
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