The magnetic properties of diluted CoFe2O4 nanomaterials

doi:10.1088/1674-1056/21/4/047501

Abstract The magnetic properties of (Co_xFe_1-x)_A(Zn_1-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 (Co_xFe_1-x)_A(Zn_1-xFe_1+x)_BO₄, and the critical exponent associated with magnetic susceptibility is obtained.

Keywords: (Co_xFe_1-x)_A(Zn_1-xFe_1+x)_BO₄ probability law saturation magnetization coercive field high-temperature series expansions

Received: 17 August 2011
Revised: 04 November 2011
Accepted manuscript online:

PACS:	75.30.Et	(Exchange and superexchange interactions)
	75.40.Cx	(Static properties (order parameter, static susceptibility, heat capacities, critical exponents, etc.))
	74.25.Ha	(Magnetic properties including vortex structures and related phenomena)
	75.30.Cr	(Saturation moments and magnetic susceptibilities)

Corresponding Authors: R. Masrour,rachidmasrour@hotmail.com
E-mail: rachidmasrour@hotmail.com

Cite this article:

R. Masrour, M. Hamedoun, and A. Benyoussef The magnetic properties of diluted CoFe₂O₄ nanomaterials 2012 Chin. Phys. B 21 047501

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The magnetic properties of diluted CoFe₂O₄ nanomaterials