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Synthesis and Magnetic Studies of Core-Shell FePt@Fe3O4 Nanowires and Nanoparticles

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Abstract:

In this work, the core-shell FePt@Fe3O4 nanowires and nanoparticles as a new hard-soft composite magnetic materials were synthetized by reduction of platinum acetyl acetonate and iron pentacarbonyl together in the presence of oleic acid and oleyl amine stabilizers by polyol process. As-synthesized FePt nanowires and nanoparticles with 0.5-3 nm Fe3O4 shell were preparated by controlled addition of excess of Fe (CO)5 into the reaction mixture and air oxidation. The phase analysis, structure, and magnetic properties were determined by X-ray diffraction (XRD), High resolution transmission electron microscope (HRTEM), Scanning electron microscope (SEM) and vibrating sample magnetometer (VSM) techniques.

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Periodical:

Advanced Materials Research (Volume 510)

Pages:

623-627

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.623

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Online since:

April 2012

Authors:

Wei Li, Ming Ge Zhou, Ming Gang Zhu, Dong Zhou, Yang Long Hou

Keywords:

FePt@Fe3O4, Magnetic Property, Nanostructure, Synthesis

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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