Cation Distribution and Magnetic Interactions in Zn-Substituted Fe(Cu)Fe2O4 Ferrites

被引：18

作者：

El Moussaoui, H. ^{[1
,2
]}

Masrour, R. ^{[3
]}

Mounkachi, O. ^{[1
]}

Hamedoun, M. ^{[1
]}

Benyoussef, A. ^{[1
,2
,4
]}

机构：

[1] Moroccan Fdn Adv Sci Innovat & Res MAScIR, Inst Nanomat & Nanotechnol, Rabat, Morocco

[2] Mohammed V Agdal Univ, LMPHE URAC 12, Fac Sci, Rabat, Morocco

[3] Cady Ayyed Univ, Lab Mat Proc Environm & Qual, Natl Sch Appl Sci, Safi, Morocco

[4] Hassan II Acad Sci & Technol, Rabat, Morocco

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 07期

关键词：

Mixed spinels; Saturation magnetization; Critical temperature; Curie constant; HTSE; COPPER FERRITE; NIZN-FERRITE; SIZE;

D O I：

10.1007/s10948-012-1672-4

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of Zn doping on magnetic properties of Fe3O4 and CuFe2O4 ferrite spinels has been studied. The general expression of saturation magnetization, the critical temperature and Curie constant (C) are obtained by the mean field theory (MFT). By considering the high-temperature series expansions (HTSE) theory and the mean field approximation for the N,el's two-sublattice noncollinear model, we obtained the magnetic phase diagrams of Zn (x) Fe1-x Fe2O4, and Zn (x) Cu1-x Fe2O4. The Bohr magnetron is obtained for two systems. The central critical exponent gamma associated with magnetic susceptibility for two systems is obtained.

引用

页码：2473 / 2480

页数：8

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