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Rare Metals
Published in: Rare Metals 11/2016

01-11-2016

Synthesis of magnetic carrier sub-microparticles with high stability through carbon reduction and solation coating methods

Authors: Qiang Zhang, Li-Bo Gao, Jun-Yang Li, Ze-Bin Guo, Zhen-Yin Hai, Yan-Ting Xing, Chen-Yang Xue

Published in: Rare Metals | Issue 11/2016

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Abstract

This paper presents a novel approach in synthesizing SiO2–Fe3O4 magnetic carrier with high stability. The Fe3O4 magnetic powders were synthesized via one-step method named carbon reduction method. The advantages of the methods are of simple process, none lead-in pollution agent, low cost and adaptation to large-lot production. The stability of the magnetic powders is improved through modifying the Fe3O4 with SiO2 in solation method. The results of the characterizations show that the superparamagnetic SiO2–Fe3O4 sub-microparticles (~600 nm) with saturation intensity of 36.4 mA·m2·g−1 are obtained successfully. Moreover, the quantitating, repeatability and high stability of the carbon reduction method are demonstrated as well.
previous article Surface plasmon resonance and electrical properties of RF: magnetron sputtered carbon–nickel composite films at different annealing temperatures
next article Surface modification mechanism of magnesium oxysulfate whiskers via wet chemical method

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Metadata
Title
Synthesis of magnetic carrier sub-microparticles with high stability through carbon reduction and solation coating methods
Authors
Qiang Zhang
Li-Bo Gao
Jun-Yang Li
Ze-Bin Guo
Zhen-Yin Hai
Yan-Ting Xing
Chen-Yang Xue
Publication date
01-11-2016
Publisher
Nonferrous Metals Society of China
Published in
Rare Metals / Issue 11/2016
Print ISSN: 1001-0521
Electronic ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-015-0662-7

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