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Article
Electronic Band Dispersion and Pseudogap in Quasicrystals: Angular-Resolved Photoemission Studies on Icosahedral Al70Pd21.5Mn8.5
Physical Review Letters
Document Type
Article
Disciplines
Publication Date
12-1-1995
DOI
10.1103/PhysRevLett.75.4540
Abstract
Angular-resolved photoelectron spectra from the fivefold surface of single-grain icosahedral Al70Pd21.5Mn8.5 exhibit a quasiperiodic dispersion of 300 meV at 2.3 eV binding energy. Low energy electron diffraction studies confirm quasicrystalline order at the surface. A distinct pseudogap feature is observed with a density of states near the Fermi level decreasing as a square-root power law.
Copyright Owner
The American Physical Society
Copyright Date
1995
Language
en
File Format
application/pdf
Citation Information
X. Wu, Stefan Walenty Kycia, C. G. Olson, P. J. Benning, et al.. "Electronic Band Dispersion and Pseudogap in Quasicrystals: Angular-Resolved Photoemission Studies on Icosahedral Al70Pd21.5Mn8.5" Physical Review Letters Vol. 75 Iss. 24 (1995) p. 4540 - 4543 Available at: http://works.bepress.com/david_lynch1/64/
This article is from Physical Review Letters 75 (1995): 4540, doi:10.1103/PhysRevLett.75.4540. Posted with permission.