| Issue |
Europhys. Lett.
Volume 59, Number 4, August 2002
|
|
|---|---|---|
| Page(s) | 592 - 598 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and opticalproperties | |
| DOI | https://doi.org/10.1209/epl/i2002-00145-8 | |
| Published online | 01 August 2002 | |
Contest between surface resonances and surface states at 3d ferromagnets
Physikalisches Institut, Westfälische Wilhelms-Universität
Münster Wilhelm-Klemm-Str. 10,
D-48149 Münster, Germany
Received:
11
March
2002
Accepted:
3
June
2002
The surface electronic structure of band ferromagnets in the vicinity of the Fermi level is strongly influenced by the magnetic d bands. A comparative study of the closed-packed surfaces of Ni, Co, and Fe shows that surface resonances dominate over surface states with increasing d-band influence. Our theoretical analysis distinguishes between surface states and resonances thereby providing a systematics of surface-related spectral features at ferromagnets. This solves the long-standing “surface-state puzzle” in the literature of sometimes contradicting (inverse) photoemission results.
PACS: 73.20.-r – Electron states at surfaces and interfaces / 79.60.-i – Photoemission and photoelectron spectra / 75.70.Rf – Surface magnetism
© EDP Sciences, 2002
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