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ID 19354
file
creator
Strocov, Vladimir N.
Claessen, Ralph
Nicolay, Georg
Hüfner, Stefan
Harasawa, Ayumi
Shin, Shik
Kakizaki, Akito
Nilsson, P. O.
Starnberg, H. I.
Blaha, Peter
abstract
We present an experimental method to determine the electronic E(k) band structure in crystalline solids absolutely, i.e., with complete control of the three-dimensional wave vector k. Angle-dependent very-low-energy electron diffraction is first applied to determine the unoccupied states whose k is located on a high-symmetry line parallel to the surface. Photoemission via these states, employing the constant-final-state mode, is then utilized to map the valence bands along this line. We demonstrate the method by application to Cu. and find significant deviation from free-electron-like behavior in the unoccupied states, and from density-functional theory in the occupied slates.
journal title
Physical Review Letters
volume
Volume 81
issue
Issue 22
start page
4943
end page
4946
date of issued
1998-11-30
publisher
American Physical Society
issn
0031-9007
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 1998 The American Physical Society.
relation url
department
Graduate School of Science