Systematics of Disorder in Quasiperiodic Material

Phys. Rev. Lett. 57, 1444 – Published 22 September 1986
P. M. Horn, W. Malzfeldt, D. P. DiVincenzo, John Toner, and R. Gambino

Abstract

We report new x-ray scattering data on AlMn alloys. None of our samples are perfect quasicrystals; all have finite-width x-ray peaks. Specific preparation techniques lead to samples with peak widths which correlate strongly with G (phason momentum). We show that the data are consistent with either frozen-in phason strain or random icosahedral packing. These two models predict surprisingly similar but potentially distinguishable scattering widths, differing in their detailed dependence on G.

DOI: http://dx.doi.org/10.1103/PhysRevLett.57.1444

  • Received 21 April 1986
  • Published in the issue dated 22 September 1986

© 1986 The American Physical Society

Authors & Affiliations

P. M. Horn, W. Malzfeldt, D. P. DiVincenzo, John Toner, and R. Gambino

  • IBM T.J. Watson Research Center, Yorktown Heights, New York 10598

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