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

页码：16165 / 16169

页数：5

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