Issue 29, 2015

A general approach to the synthesis and detailed characterization of magnetic ferrite nanocubes

Abstract

A general approach to the synthesis and detailed characterization of magnetic ferrite nanocubes were reported, where the nanocubes were synthesized by the thermal decomposition of metal–oleate complexes following a step-heating method. The doping ions were introduced during the precursor preparation by forming M2+/Fe3+ oleate mixed complex (M2+ = Fe2+, Mn2+, Zn2+, Cu2+, Ca2+, and Mg2+). The mechanistic studies showed that the presence of sodium oleate in combination with step-heating was critical for the formation of the cubic shapes for the doped magnetic ferrites. The nanocubes were extensively characterized, including morphology and crytsal structure by advanced transmission electron microscopy, doping level and distribution by energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy, cation distribution within the spinel structures by Fourier transform infrared and Raman spectroscopy, and magnetic properties by alternating gradient magnetometer at room temperature.

Graphical abstract: A general approach to the synthesis and detailed characterization of magnetic ferrite nanocubes

Supplementary files

Article information

Article type
Paper
Submitted
11 May 2015
Accepted
20 Jun 2015
First published
30 Jun 2015

Nanoscale, 2015,7, 12641-12649

A general approach to the synthesis and detailed characterization of magnetic ferrite nanocubes

Y. Xu, J. Sherwood, Y. Qin, R. A. Holler and Y. Bao, Nanoscale, 2015, 7, 12641 DOI: 10.1039/C5NR03096J

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