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A Novel Approach to Synthesis of FePt Magnetic Nanoparticles

Journal Journal of Nano Research (Volume 1)
Volume Journal of Nano Research Vol. 1
Pages 23-30
DOI 10.4028/www.scientific.net/JNanoR.1.23
Citation Kevin E. Elkins et al., 2008, Journal of Nano Research, 1, 23
Online since January, 2008
Authors Kevin E. Elkins, Girija S. Chaubey, Vikas Nandwana, J.Ping Liu
Keywords Iron-Platinum, Magnetism, Monodispersion, Nanoparticle
Abstract

Chemical reduction of ferric acetylacetonate (Fe(acac)3) and platinum acetylacetonate (Pt(acac)2) using polyol as a reducing agent as well as an effective surfactant, has successfully yielded monodisperse FePt nanoparticles with a size of approximately 2 nm. When annealed samples were compared to FePt nanoparticles synthesized using oleic acid and oleylamine as the surfactants under identical conditions, nearly 30% increase in coercivity (Hc) was achieved with the new, simple and economic method.

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