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M(H) dependence and size distribution of SPIONs measured by atomic magnetometry

Colombo, Simone ; Lebedev, Victor ; Grujic, Zoran Dragan ; Dolgovskiy, Vladimir ; Weis, Antoine

In: International Journal on Magnetic Particle Imaging, 2016, vol. 2, no. 1, p. -

We demonstrate that the quasistatic recording of the magnetic excitation function M(H) of superparamagnetic iron oxide magnetic nanoparticle (SPION) suspensions by an atomic magnetometer allows a precision determination of the sample’s iron mass contentmFe and the particle size distribution.