Preparation of nanocrystalline NiZnCu ferrite particles by sol-gel method and their magnetic properties

被引：75

作者：

Yan, SF ^{[1
]}

Geng, JX ^{[1
]}

Yin, L ^{[1
]}

Zhou, EL ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 277卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

sol-gel method; nanocrystalline; NiZnCu ferrite; Mossbauer spectroscopy; magnetic properties;

D O I：

10.1016/j.jmmm.2003.10.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Polyvinyl alcohol (PVA) was first used as chelating agent and metal nitrates as precursor of ferrite in the fabrication of nanocrystalline Ni0.65Zn0.35Cu0.1Fe1.9O4 particles by the sol-gel method. The thermal decomposition process of dried gel was studied by thermogravimetry (TG), differential thermal analysis (DTA) and infrared spectra (IR). The structural and magnetic properties of resultant particles were investigated by X-ray diffraction (XRD), transmission electron microscope (TEM), vibrating sample magnetometer (VSM) and Mossbauer spectroscopy. The dependence of the decomposition of dried gel, the formation of spinel structured NiZnCu ferrite, the sizes of annealed particles, the saturation magnetization and coercivity of annealed particles on annealing temperature is presented. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：84 / 89

页数：6

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