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Photoelectron spectra of an Al70Pd21Mn9 quasicrystal and the cubic alloy Al60Pd25Mn15
Physical Review B
  • Cynthia J. Jenks, Iowa State University
  • S.-L. Chang, Iowa State University
  • James W. Anderegg, Iowa State University
  • Patricia A. Thiel, Iowa State University
  • David W. Lynch, Iowa State University
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Photoelectron spectra of a fivefold quasicrystalline alloy Al70Pd21Mn9 and a related cubic alloy Al60Pd25Mn15 reveal two noteworthy features. The first is that the Pd 3dlines fall at binding energies which are 2.2 eV higher than in pure Pd. A similar shift is observed for Pd in other alloys. The second noteworthy feature is that the Mn 2p3/2 line is very sharp in the quasicrystal. Fitting the experimental peaks with a Doniach-Sunjic line shpae suggests that the position and density of Mn states near EFis very sensitive to the structural and/or chemical environment of Mn in the alloys, and that this accounts for the shape of the 2p3/2 Mn line. The sharpness of the Mn line may be a fingerprint of the quasicrystalline phase within the AlPdMn family.

This article is from Physical Review B 54, no. 9 (1996) 6301–6306, doi:10.1103/PhysRevB.54.6301.

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American Physical Society
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Cynthia J. Jenks, S.-L. Chang, James W. Anderegg, Patricia A. Thiel, et al.. "Photoelectron spectra of an Al70Pd21Mn9 quasicrystal and the cubic alloy Al60Pd25Mn15" Physical Review B Vol. 54 Iss. 9 (1996) p. 6301 - 6306
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