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Quasicrystalline nature of quasicrystal surfaces: A photoemission study
Auteur(s)
Naumovic, D.
Aebi, Philipp
Schlapbach, Louis
Beeli, C.
Lograsso, T. A.
Delaney, D. W.
Date de parution
1999
In
Physical Review B, American Physical Society (APS), 1999/60/24/R16330-R16333
Résumé
Differently prepared surfaces of quasicrystalline <i>i</i>-Al-Pd-Mn are analyzed using angle-resolved photoemission in the x-ray <i>and</i> ultraviolet range of photon energies. Depending on the preparation, we find both surfaces with crystalline structure and metallic character, and surfaces with quasicrystalline structural fingerprints and a suppressed density of states at the Fermi level, compatible with a pseudogap.
Identifiants
Type de publication
journal article
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