ISSN:
1434-6079
Keywords:
79.20.Hx
;
79.60.−i
;
36.40.+d
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The electronic structure of small chromium clusters deposited by evaporation onto clean polycrystalline graphite has been studied by means of the Electron Energy Loss (EELS), Auger and X-ray photoemission (XPS) spectroscopies. The XPS results show an increase of the binding energy of both core levels and 3d valence band states when the cluster size decreases. The analysis of the Auger spectra by the Cini-Sawatzky theory suggests that the electronic screening properties do not change in small clusters with respect to the bulk. The EELS spectra indicate an increase of the energy loss features due to the interband transitions between 3d full states andsp empty states when the cluster size decreases. These observations are attributed to sizeable changes occurring in the electronic structure of the clusters.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01425615
Permalink
