NDLI: Effect of Reaction Temperature on Particle Size of Iron Oxide Nanoparticles via Heating of Platelet <inline-formula> <tex-math notation=LaTeX>${alpha }$ </tex-math></inline-formula>-FeOOH in Tetraethylene Glycol

Content Provider	IEEE Xplore Digital Library
Author	Latiff, H. Horiuchi, A. Kishimoto, M. Yanagihara, H. Kita, E.
Copyright Year	1965
Abstract	We investigated the effect of reaction temperature on particle size of spinel-structured ferromagnetic iron oxide particles obtained by heating the platelet α-FeOOH particles in tetraethylene glycol (TEG). This method is advantageous as it enables the omission of outer SiO₂ shell layer and makes the surface modification easier. Oxide samples were reduced from α-FeOOH particles using TEG. The Fe₃O₄ particles were obtained through the formation of α-Fe₂O₃. The particles with single-phase Fe₃O₄ were obtained by heating above the temperature of 290 °C and confirmed by X-ray diffraction and Mössbauer spectroscopy. Among these single-phase Fe₃O₄ particles, a large proportion of relatively small-sized particles was obtained by increasing the reaction temperature to 310 °C. Fe₃O₄ particles sized 30-80 nm were finally obtained after heating at 310 °C for 60 min with the saturation magnetization of 83 Am²/kg and a coercive force of 13 kA/m.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	1041532
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Iron Saturation magnetization Nanoparticles Dispersion Magnetic hysteresis Coercive force coercive force magnetic nanoparticles polyhydric alcohol spinel-structured iron oxides
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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