Conditions on the occurrence of magnetic moments in quasicrystals and related phases

@article{Laissardire1999ConditionsOT,
  title={Conditions on the occurrence of magnetic moments in quasicrystals and related phases},
  author={G. T. D. Laissardi{\`e}re and D. Mayou},
  journal={Materials Science and Engineering A-structural Materials Properties Microstructure and Processing},
  year={1999},
  pages={621-624}
}
  • G. T. D. Laissardière, D. Mayou
  • Published 1999
  • Physics, Materials Science
  • Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
Abstract We analyze the criterion for the appearance of magnetic moments in quasicrystals approximants and liquids Al–Mn. In a Hartree–Fock scheme, it is shown that the Stoner criterion ( Un d ( E F )≥1) does not apply to these systems due to the presence of the pseudogap in the density of states. We give a generalized criterion that can take into account the particular density of state. The main result is that the appearance of a magnetic moment on a Mn atom depends strongly on its position in… Expand
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Symmetry-dependent Mn-magnetism in Al69.8Pd12.1Mn18.1
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