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On the electronic properties of YCo5− xNix

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Volume
223
Issue
1
Identifiers
DOI: 10.1016/0925-8388(94)01494-9
Keywords
  • Electronic Properties
  • Cobalt
  • Orbital Polarization

Abstract

Abstract The magnetic and orbital moments of Co atoms in YCo 5− x Ni x were computed with the Haydock recursion method in a self-consistent procedure. The decrease in magnetic moment per formula unit with increase in Ni concentration is related to the peculiarities of the density of states for x ≠ 0 and to the decrease in exchange splitting. The transition temperatures were computed in the framework of the spin-fluctuations theory. There are large orbital moments on both Co sites for all the compounds. The orbital polarization was considered as an effective spin-orbit interaction.

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