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  1. No Access

    Article

    Magnetic properties of the MRI enhancement agent Feridex from Mössbauer spectra

    Mössbauer spectra of Feridex, an MRI enhancement agent, show that it contains superparamagnetic γ-Fe2O3 nanoparticles. From spectra in magnetic fields applied at room temperature the magnetic moment of the partic...

    H.Y. Hah, A.G. Williams, W. Pham, C.E. Johnson, J.A. Johnson in Hyperfine Interactions (2021)

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    Article

    Mössbauer studies of stoichiometry of Fe3O4: characterization of nanoparticles for biomedical applications

    The iron oxide Fe3O4, the mineral magnetite sometimes called ferrosoferric oxide, is notoriousy non-stoichiometric even in bulk form so its formula may be written Fe3−δO4. In nanoparticle form, where it has appli...

    C. E. Johnson, J. A. Johnson, H. Y. Hah, M. Cole, S. Gray… in Hyperfine Interactions (2016)