Magnetite–Maghemite Nanoparticles in the 5–15 nm Range: Correlating the Core–Shell Composition and the Surface Structure to the Magnetic Properties. A Total Scattering Study.

@inproceedings{Frison2013MagnetiteMaghemiteNI,
  title={Magnetite–Maghemite Nanoparticles in the 5–15 nm Range: Correlating the Core–Shell Composition and the Surface Structure to the Magnetic Properties. A Total Scattering Study.},
  author={Ruggero Frison and Giuseppe Cernuto and Antonio Cervellino and Oksana Zaharko and Gian Maria Colonna and Antonietta Guagliardi and Norberto Masciocchi},
  year={2013}
}
Very small superparamagnetic iron oxide nanoparticles were characterized by innovative synchrotron X-ray total scattering methods and Debye function analysis. Using the information from both Bragg and diffuse scattering, size-dependent core–shell magnetite–maghemite compositions and full size (number- and mass-based) distributions were derived within a coherent approach. The magnetite core radii in 10 nm sized NPs well match the magnetic domain sizes and show a clear correlation to the… CONTINUE READING

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