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Issue 40, 2013
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Synthesis and magnetic properties of hybrid nanostructures of Pt–FexOy

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Abstract

We report the synthesis conditions and magnetic properties of Pt and iron oxide (Pt–FexOy) hybrid nanostructures. The injection time and temperature of the Fe precursor after the decomposition of the Pt precursor are found to be the key parameters for the tuning of FePt to Pt–FexOy nanoparticles. The particle shape can be controlled from spherical to cubic by selective molar ratios of surfactants and solvents. A comparative study of the dynamic and static magnetic properties of Pt–FexOy and FexOy, (after etching of Pt) is presented. The effective anisotropy of Pt–FexOy is found to be one order of magnitude higher than that of etched FexOy. Consequently, a strong enhancement of the blocking temperature is observed which is attributed to the enhanced interfacial anisotropy between Pt and FexOy layers.

Graphical abstract: Synthesis and magnetic properties of hybrid nanostructures of Pt–FexOy

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Publication details

The article was received on 11 Jun 2013, accepted on 23 Jul 2013 and first published on 23 Jul 2013


Article type: Paper
DOI: 10.1039/C3TC31114G
Citation: J. Mater. Chem. C, 2013,1, 6553-6558
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    Synthesis and magnetic properties of hybrid nanostructures of Pt–FexOy

    H. Khurshid, S. Chandra, P. Mukherjee and H. Srikanth, J. Mater. Chem. C, 2013, 1, 6553
    DOI: 10.1039/C3TC31114G

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