Observation of itinerant-electron effects on the magnetic excitations of iron

D. McKenzie Paul, P. W. Mitchell, H. A. Mook, and U. Steigenberger
Phys. Rev. B 38, 580 – Published 1 July 1988
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Abstract

Triple-axis neutron spectroscopy has been used to study high-energy magnetic excitations for iron. The scattering contours established for the [100] and [111] directions show effects not present in localized-electron models of ferromagnetism. Interactions between spin waves and single-particle excitations are clearly seen for both crystallographic directions while two parts to the spin-wave branch are observed for the [100] direction.

  • Received 12 February 1988

DOI:https://doi.org/10.1103/PhysRevB.38.580

©1988 American Physical Society

Authors & Affiliations

D. McKenzie Paul

  • Department of Physics, University of Warwick, Coventry CV47AL, United Kingdom

P. W. Mitchell

  • Department of Physics, The University of Manchester, Manchester M13 9PL, United Kingdom

H. A. Mook

  • Oak Ridge National Laboratory, Solid State Division, Oak Ridge, Tennessee 37831

U. Steigenberger

  • Institut Laue-Langevin, 156X, F-38042 Grenoble, France

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Vol. 38, Iss. 1 — 1 July 1988

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