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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1428 (August) (2014)  >  pp.645-648

Journal of the Ceramic Society of Japan
<<Previous article Vol.122  No.1428 (August) (2014)   pp.645 - 648 Next article>>

Preparation of magnesium ferrite by a malic acid complex

Akane DOI1), Shigenori MATSUSHIMA1) 2), Kenji OBATA1) 2), Ryosuke MAEDA2), Atsushi KAJIMA3), Kenkichiro KOBAYASHI4)
1) Department of Biological Functions and Engineering, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology (KIT) 2) Department of Materials Science and Chemical Engineering, Kitakyushu National College of Technology (KCT) 3) Department of Electrical and Electronic Engineering, Kitakyushu National College of Technology (KCT) 4) Department of Materials Science and Chemical Engineering, Graduate School of Engineering, Shizuoka University

Nanopowder of MgFe2O4 was prepared from an organic acid complex method. Among three kinds of organic acids examined, it was found from an XRD measurement that the highest purity powder of MgFe2O4 was obtained from a malic acid complex. SEM observation revealed that the powder is fluffy aggregates and each particle has irregular shape. The TG–DTA and IR measurements show that thermolysis process of a malic acid complex in air was mainly constructed at two stages consisting of dehydration and ligand pyrolysis. Furthermore, it was confirmed from a VSM measurement that the saturation magnetization of MgFe2O4 nanopowder is much smaller value than that of the bulk material.


Keyword:
MgFe2O4, Malic acid complex, TG–DTA, IR, XRD, SEM, BET, VSM

Received: February 10, 2014
Accepted: April 19, 2014 , Published online: August 01, 2014

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