Facile ultrafast microwave synthesis of monodisperse MFe2O4 (M=Fe, Mn, Co, Ni) superparamagnetic nanocrystals

被引：21

作者：

Wang, Dong ^{[1
,2
]}

Zhou, Jun ^{[2
]}

Zhou, Xi ^{[2
]}

Ke, Xue-bin ^{[2
]}

Chen, Chuan ^{[1
]}

Wang, Ya-run ^{[2
]}

Liu, Yong-liang ^{[2
]}

Ren, Lei ^{[1
,2
]}

机构：

[1] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Dept Biomat, Coll Mat, Xiamen 361005, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 136卷

基金：

中国国家自然科学基金;

关键词：

Nanoparticles; Magnetic materials; Microwave synthesis; Crystal growth; Coprecipitation; NANOPARTICLES; FILMS;

D O I：

10.1016/j.matlet.2014.07.105

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A series of metal ferrite nanocrystals MFe2O4 (M=Fe, Mn, Co, Ni) were prepared via a microwave synthesis strategy. The whole synthesis process could be accomplished in a few minutes at a moderate temperature and without inert gas protecting. The resulting products were systematically characterized and showed uniform spherical morphology with an average particle size of 6.0 nm, well crystallinity, superparamagnetic property and relatively high saturation magnetization. A microwave heating based classical crystallization mode was proposed for the formation of these nanocrystals. This work sheds new light on the synthesis of magnetic nanoparticles with improved properties through a rapid, "green" microwave-assisted synthesis strategy. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：401 / 403

页数：3

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