Phys. Rev. Lett. 42, 1782 - 1784 (1979)Observation of a d-like Surface-State Band on Cu(100) using Resolved Photoemission |
P. Heimann, J. Hermanson *, and H. Miosga
Sekiton Physik der Universität München, D-8000 München 22, Federal Republic of Germany
H. Neddermeyer
Institut für Experimentalphysik der Ruhr-Universität, D-4630 Bochum, Federal Republic of Germany
Received 5 March 1979
A narrow peak (full width at half maximum about 60 meV) just above the top of the bulk d bands has been observed in angle-resolved energy distribution curves of Cu(100). The peak is attributed to a d-like surface state in an energy gap of the projected bulk band structure near the symmetry point M̅ of the two-dimensional Brillouin zone. A surface state near M̅ was predicted in recent self-consistent calculations.
©1979 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v42/p1782
DOI: 10.1103/PhysRevLett.42.1782
* Permanent address: Department of Physics, Montana State University, Bozeman, Mont. 59715.
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