Title
Angle-resolved synchrotron photoemission and density functional theory on the iridium modified Si(111) surface Angle-resolved synchrotron photoemission and density functional theory on the iridium modified Si(111) surface
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
London ,
Subject
Physics
Source (journal)
Journal of physics : condensed matter. - London
Volume/pages
26(2014) :28 , 7 p.
ISSN
0953-8984
0953-8984
Article Reference
285501
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The physical and electronic properties of the Ir modified Si(1 1 1) surface have been investigated with the help of angle resolved photoemission spectroscopy and density functional theory. The surface consists of Ir-ring clusters that form a root 7 x root 7 -R19.1 degrees reconstruction. A comparison between the measured and calculated band structure of the system reveals that the dispersions of the projected bulk states and the states originating from '1x1' domains are heavily modified due to Umklapp scattering from the surface Brillouin zone. Density of states calculations show that Ir-ring clusters contribute to the states in the vicinity of the Fermi level.
E-info
https://repository.uantwerpen.be/docman/iruaauth/cae3a1/89b8016.pdf
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