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Microwave assisted systhesis and magnetics studies of cobalt oxide nanoparticles
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.
2010 (English)In: Materials Chemistry and Physics, ISSN 0254-0584, Vol. 125, 347-350 p.Article in journal (Refereed) Published
Abstract [en]

An efficient microwave-assisted route has been used to synthesize nanoparticles of cobalt oxide. The particles were well characterized by transmission electron microscopy (TEM) which showed that the average diameter of the particles is around 6 nm. X-ray diffraction (XRD) studies further confirmed the formation of the spinel Co3O4. Purity of the products was detected by Fourier transform infrared spectroscopy (FTIR) combined with thermal gravimetric analysis (TG/DTG). The magnetic measurements revealed a small hysteresis loop at room temperature indicating a weak ferromagnetic nature of the synthesized Co3O4 nanoparticles. The magnetic moment of the particles was measured to be 4.27 μeff.

Place, publisher, year, edition, pages
2010. Vol. 125, 347-350 p.
Keyword [en]
Magnetic materials; Oxides; Nanostructures; Magnetic properties
National Category
Inorganic Chemistry
URN: urn:nbn:se:su:diva-50714DOI: 10.1016/j.matchemphys.2010.11.003ISI: 000286904800007OAI: diva2:382303
authorCount :4Available from: 2010-12-30 Created: 2010-12-30 Last updated: 2011-12-29Bibliographically approved

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Tai, Cheuk-Wai
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