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Issue 33, 2011
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Iron silicide nanoparticles in a SiC/C matrix from organometallic polymers: characterization and magnetic properties

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Abstract

Thermolysis of poly(ferrocenylsilane) at 1000 °C or poly[{(dimethylsilyl)ferrocenyl}diacetylene] at 850 °C resulted in ferromagnetic Fe3Si nanoparticles, well distributed in a SiC/C matrix. The average size of the formed nanoparticles, their size distribution and their agglomeration behaviour depend on the choice of polymer and the thermolysis conditions. The size-dependent magnetic properties of the nanoparticles were analyzed by SQUID measurements. The smallest Fe3Si nanoparticles (10–30 nm) are single magnetic domain particles with superparamagnetic behaviour.

Graphical abstract: Iron silicide nanoparticles in a SiC/C matrix from organometallic polymers: characterization and magnetic properties

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Publication details

The article was received on 14 Mar 2011, accepted on 31 May 2011 and first published on 12 Jul 2011


Article type: Paper
DOI: 10.1039/C1JM11099C
J. Mater. Chem., 2011,21, 12232-12238

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    Iron silicide nanoparticles in a SiC/C matrix from organometallic polymers: characterization and magnetic properties

    V. A. Du, A. Sidorenko, O. Bethge, S. Paschen, E. Bertagnolli and U. Schubert, J. Mater. Chem., 2011, 21, 12232
    DOI: 10.1039/C1JM11099C

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