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The magnetic properties of diluted CoFe2O4 nanomaterials
Authors:R. Masrour  M. Hamedoun  A. Benyoussef
Affiliation:1. Laboratory of Materials, Processes, Environment and Quality, Cady Ayyed University, National School of Applied Sciences, Route Sidi Bouzid-BP 63 46000 Safi, Morocco;2. LMPHE (URAC 12), Faculté des Sciences, Université Mohamed V-Agdal, Rabat, Morocco;3. Institute for Nanomaterials and Nanotechnologies, Rabat, MAScIR, Morocco;4. Academie Hassan II des Sciences et Techniques, Rabat, Morocco
Abstract:The magnetic properties of (CoxFe1-x)A(Zn1-xFe<1-x)BO4 are studied using mean-field theory and the probability distribution law to obtain the saturation magnetization, the coercive field, the critical temperature, and the exchange interactions with different values of D (nm) and x. High-temperature series expansions (HTSEs) combined with the Padé approximant are used to calculate the critical temperature of (CoxFe1-x)A(Zn1-xFe<1-x)BO4, and the critical exponent associated with magnetic susceptibility is obtained.
Keywords:(CoxFe1-x)A(Zn1-xFe<1-x)BO4  probability law  saturation magnetization  coercive field  high-temperature series expansions
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