A detailed analysis of the available experimental data has been made for the ordered phase of ZnFe2O4. The abnormally lowTN and the observed spin arrangement have been explained on the basis of the hybridization of orbitals on the oxygen ions which gives rise to an anisotropic exchange interaction. The variation of hyperfine field and susceptibility with temperature along with the zero point reduction of the magnetic moment indicate that the ZnFe2O4 is a two-dimensional antiferromagnet.
Volume 43, 2020
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