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Magnetic properties of magnetic Co1−xMgxFe2O4 spinel by HTSE method |
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| Authors: | M Hamedoun A Benyoussef M Bousmina |
| Institution: | a INANOTECH (Institute of Nanomaterials and Nanotechnology), MASCIR (Moroccan Advanced Science, Innovation and research Foundation), Rabat, Morocco b Hassan II Academy of Sciences and Technology, Rabat, Morocco c LMPHE, Faculté des Sciences, Université Mohammed V, Rabat, Morocco |
| Abstract: | Magnetic properties and exchange-coupling interactions of diluted magnetic spinels A1−xA′xB2X4, where A and B are magnetic ions, namely Co1−xMgxFe2O4, were investigated using the high-temperature series expansion method (HTSE) and the distribution method of magnetic cations in the range 0≤x≤1. The magnetic phase diagram and transition temperature versus dilution x were determined using the Padé approximants method along with HTSE. The critical exponent associated with the magnetic susceptibility γ was then deduced. The obtained results are in good agreement with experimental results and critical exponent values are consistent with those suggested by the universality hypothesis. |
| Keywords: | Spinel Exchange integrals Correlation function HSTE |
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