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  • 1 Institute of Vacuum Technology ul. Długa 44/50 00-241 Warsaw Poland ul. Długa 44/50 00-241 Warsaw Poland
  • | 2 Polish Academy of Sciences Institute of Physics al. Lotników 32/46 02-668 Warsaw Poland al. Lotników 32/46 02-668 Warsaw Poland
  • | 3 Warsaw University of Technology Faculty of Chemistry ul. Noakowskiego 3 00-664 Warsaw Poland ul. Noakowskiego 3 00-664 Warsaw Poland
  • | 4 Institute of Atomic Energy 05-400 Świerk Poland 05-400 Świerk Poland
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Abstract  

Properties of FeC60 solid samples were investigated by X-ray diffraction, 57Fe Mssbauer spectroscopy and magnetic measurements in order to examine interaction of iron with fullerene. FeC60 samples were prepared by decomposition of adduct based on the fullerene and ferrocene derivative. The samples exhibited superparamagnetic properties originating from an interaction between FeC60 complexes within nanoparticles. Each nanoparticle consisted of hundreds to thousands complexes. The results of experiments are compared with theoretical studies using PM3 method based on the Neglect of Diatomic Differential Overlap approximation.

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