Synthesis and magnetic properties of SnFe2O4 nanoparticles

被引：27
|
作者：
Liu, F [1 ]
Li, TZ
机构：
[1] Univ Sci & Technol China, Dept Astron & Appl Phys, Hefei 230026, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 2-3期
关键词：
nanoparticles; tin-doped ferrites; precipitation; magnetization; Mossbauer spectroscopy; superparamagnetic relaxation;
D O I：
10.1016/j.matlet.2004.09.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
SnFe2O4 nanoparticles have been synthesized by the precipitation exchange method. X-ray diffractometry shows that the average size of the particles is 4 nm. The magnetization measurement has determined the existence of a paramagnetic state in this metal oxide system. As the temperature increases toward 350 K, Mossbauer line broadens and a pronounced central doublet appears, suggesting superparamagnetic relaxation. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：194 / 196
页数：3
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