Facile synthesis and paramagnetic properties of Fe3O4@SiO2 core-shell nanoparticles

被引：23
|
作者：
Yang, Lili [1 ,2 ]
Zou, Ping [1 ,2 ]
Cao, Jian [1 ,2 ]
Sun, Yunfei [1 ,2 ]
Han, Donglai [3 ,4 ]
Yang, Shuo [3 ,4 ]
Chen, Gang [1 ,2 ]
Kong, Xiangwang [1 ,2 ]
Yang, Jinghai [1 ,2 ]
机构：
[1] Jilin Normal Univ, Inst Condensed State Phys, Siping 136000, Peoples R China
[2] Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Siping 136000, Jilin, Peoples R China
[3] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2014年 / 76卷
关键词：
Chemical coprecipitation method; Fe3O4@SiO2 NPs; Magnetic properties; FE3O4; NANOPARTICLES; SILICA NANOPARTICLES; MAGNETIC-PROPERTIES; MICROSPHERES; COPRECIPITATION; ADSORBENTS; CANCER;
D O I：
10.1016/j.spmi.2014.10.011
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Fe3O4@SiO2 core-shell nanoparticles (NPs) had been successfully fabricated via direct decomposition of tetraethyl orthosilicate (TEOS) in solution under the presence of as-synthesized Fe3O4 NPs prepared by chemical coprecipitation method. The structure and magnetic properties of Fe3O4@SiO2 NPs were characterized and the result indicated that Fe3O4@SiO2 NPs are about 12 nm in size with paramagnetic property. The possible growth and magnetic mechanism was discussed in detail. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：205 / 212
页数：8
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