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Tuning anisotropy by impurities: magnetocaloric experiments on CsNi 0.9 Fe 0.1 Cl 3

  • J. Wolf
  • K. Kiefer
  • M.C. Rheinstädter
  • K. Knorr
  • M. Enderle

Abstract:

The magnetic phase diagram of the Fe2+ doped hexagonal ABX3 compound CsNi0.9Fe0.1Cl3 is investigated by heat capacity and magnetocaloric experiments. In spite of the high doping concentration, some phase boundaries appear surprisingly well-defined, while others are broadened significantly. The discussion of this behaviour clarifies the potentials and limitations of doping as a means to manipulate the effective anisotropy in quasi one-dimensional ABX3 compounds.

PACS. 75.30.Sg Magnetocaloric effect, magnetic cooling – 75.30.Kz Magnetic phase boundaries 

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Copyright information

© EDP Sciences, Springer-Verlag 2001

Authors and Affiliations

  • J. Wolf
    • 1
  • K. Kiefer
    • 1
  • M.C. Rheinstädter
    • 1
  • K. Knorr
    • 1
  • M. Enderle
    • 1
  1. 1.Technische Physik, Bau 38, Universität des Saarlandes, 66123 Saarbrücken, GermanyDE

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