Hyperfine Interactions

, Volume 94, Issue 1, pp 2105–2110 | Cite as

Observation of independent cation and anion sublattice long- range magnetic orderings in complex ferricenium salts: Layered magnetic composites

  • W. M. Reiff
  • J. -H. Zhang
  • Joel S. Miller
Magnetism and Magnetic Materials

Abstract

The low temperature magnetism of some magnets based on ferricenium cations and tetrahedral tetraholaferrate anions is discussed. Some of these materials behave as layered magnetic composites with distinctly different ordering temperatures for their respective anion and cation sublattices based on iron-57 Mössbauer spectroscopy and low-field DC magnetic susceptibility studies. Exemplary results are presented for the specific case of [Cp2Fe]+[FeBr4] and indicateTcritical (anion) ∼ 14 K, while Tcritical (cation) ∼ 2.5 K whereχM versusT suggests canted 3D-AF (likely Heisenberg) behavior for the former and 2D-Ising AF behavior for the latter.

Keywords

Magnetic Susceptibility Magnetic Ordering Cation Sublattices Anion Sublattice Susceptibility Study 

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Copyright information

© J.C. Baltzer AG, Science Publishers 1994

Authors and Affiliations

  • W. M. Reiff
    • 1
  • J. -H. Zhang
    • 1
  • Joel S. Miller
    • 2
  1. 1.Department of ChemistryNortheastern UniversityBostonUSA
  2. 2.Experimental StationE.I. DuPont Inc., CR&DWilmingtonUSA

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