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Leed Investigations Of A Cubic AL-PD-MN (110) Alloy

Published online by Cambridge University Press:  10 February 2011

M. W. Heinzig ,
O. L. Warren ,
Z. Shen ,
C. J. Jenks ,
T. A. Lograsso  and
P. A. Thiel
M. W. Heinzig
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
O. L. Warren
Affiliation:
Hysitron, Inc. 5251 West 7 3rd Street, Minneapolis, MN 55439
Z. Shen
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
C. J. Jenks
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
T. A. Lograsso
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
P. A. Thiel
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
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Abstract

An Al-Pd-Mn cubic alloy having a bulk chemical composition somewhat analogous to that of the icosahedral Al-Pd-Mn quasicrystal is studied. Our goal is to compare the surface structure and properties of the cubic alloy with those of the quasicrystalline alloy. In this paper, we report the first observations for the (110) surface of the cubic alloy using (primarily) low energy electron diffraction (LEED). The surface is prepared by sputtering and annealing in ultrahigh vacuum (UHV). In addition to the substrate LEED pattern, at least three superstructures evolve sequentially with annealing temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 553: Symposium LL – Quasicrystals , 1998 , 251
Copyright
Copyright © Materials Research Society 1999

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References

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