Effect of Zn Substitution on Magnetic Properties of CuFe_2O_4: a High-Temperature Series Expansions Study

  • The magnetic properties of spinel ferrites Cu_1-xZn_xFe_2O_4 are studied using high-temperature series expansions combined with the Padé approximates. The exchange interactions, inter and intra-sublattices J_\rm AA, J_\rm BB and J_\rm AB are obtained using a probability distribution law. The critical exponent \gamma associated with the magnetic susceptibility is obtained.
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