Issue 39, 2015

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

Abstract

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 °C, showing strong ferromagnetic properties with Hc reaching 5260 Oe and Ms 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.

Graphical abstract: Synthesis and assembly of barium-doped iron oxide nanoparticles and nanomagnets

Supplementary files

Article information

Article type
Communication
Submitted
05 Aug 2015
Accepted
28 Aug 2015
First published
14 Sep 2015

Nanoscale, 2015,7, 16165-16169

Author version available

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

L. Wu, B. Shen and S. Sun, Nanoscale, 2015, 7, 16165 DOI: 10.1039/C5NR05291B

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