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Article
Formation of a Stable Decagonal Quasicrystalline Al-Pd-Mn Surface Layer
Physical Review Letters
Document Type
Article
Disciplines
Publication Date
10-19-2001
DOI
10.1103/PhysRevLett.87.195506
Abstract
We report the in situ formation of an ordered equilibrium decagonal Al-Pd-Mn quasicrystal overlayer on the fivefold symmetric surface of an icosahedral Al-Pd-Mn monograin. The decagonal structure of the epilayer is evidenced by x-ray photoelectron diffraction, low-energy electron diffraction, and electron backscatter diffraction. This overlayer is also characterized by a reduced density of states near the Fermi edge as expected for quasicrystals. This is the first time that a millimeter-size surface of the stable decagonal Al-Pd-Mn is obtained, studied, and compared to its icosahedral counterpart.
Copyright Owner
American Physical Society
Copyright Date
2001
Language
en
File Format
application/pdf
Citation Information
D. Naumović, P. Aebi, L. Schlapbach, C. Beeli, et al.. "Formation of a Stable Decagonal Quasicrystalline Al-Pd-Mn Surface Layer" Physical Review Letters Vol. 87 Iss. 19 (2001) p. 195506 Available at: http://works.bepress.com/thomas_lograsso/19/
This article is from Physical Review Letters 87 (2001): 195506, doi:10.1103/PhysRevLett.87.195506.