Synthesis and assembly of barium-doped iron oxide nanoparticles and nanomagnets

被引：16
|
作者：
Wu, Liheng [1 ]
Shen, Bo [1 ]
Sun, Shouheng [1 ]
机构：
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
来源：
NANOSCALE | 2015年 / 7卷 / 39期
关键词：
FERRITE PARTICULATE MEDIA; RECORDING AREAL DENSITY; HEXAFERRITE NANOPARTICLES; MAGNETIC NANOPARTICLES; BAFE12O19; OLEYLAMINE; FIELD;
D O I：
10.1039/c5nr05291b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A facile organic-phase synthesis of monodisperse barium-doped iron oxide (Ba-Fe-O) nanoparticles (NPs) is reported. The Ba-Fe-O NPs can be converted into hexagonal barium ferrite NPs at 700 degrees C, showing strong ferromagnetic properties with Hc reaching 5260 Oe and M-s at 54 emu g(-1). Moreover, the Ba-Fe-O NPs can be assembled into densely packed magnetic arrays, providing a unique model system for studying nanomagnetism and for nanomagnetic applications.
引用
收藏
页码：16165 / 16169
页数：5
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