Abstract
By means of paramagnetic Mossbauer spectra the cation distribution of the solid solution CoFe x Al2−xO4 with 0≦x≦1.5 has been determined. The existence of high field magnetic susceptibility at low temperature for samples with x≧0.4 has been interpreted in terms of non-collinear ferrimagnetic arrangements. Below the Neel temperature the spinel CoAl2O4 has a complex antiferromagnetic behavior.
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