Magnetostriction of an Yttrium Monocrystal Doped with Terbium Impurities

  • P. Pureur
  • G. Creuzet
  • A. Fert


The interest of magnetostriction experiments on dilute rareearth alloys to understand the microscopic magnetostriction mechanisms has been demonstrated by several recent publications1,2,3. The direct information on the single ion magnetoelastic couplings given by such experiments should be useful to probe the theoretical models of the ion-lattice couplings and also to separate the single and two ion effects in the magnetostriction of the concentrated rare earth systems. In this communication, we report on magnetostriction measurements on an yttrium single crystal doped with 2 at % of terbium impurities. We have measured the magneto-striction in the helium temperature range, along the a, b and c axes and for several orientations of the applied magnetic field. We estimate the magnetoelastic coefficients λ 1 α,2 , λ 1 α,2 and λγ,2 from a preliminary analysis of our results.


Basal Plane Applied Magnetic Field Electric Field Effect Crystal Field Parameter Magnetoelastic Coupl 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • P. Pureur
    • 1
  • G. Creuzet
    • 1
  • A. Fert
    • 1
  1. 1.Laboratoire de Physique des SolidesUniversité de ParisOrsayFrance

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