International Journal on Magnetic Particle Imaging IJMPI
Vol. 2 No. 1 (2016): Int J Mag Part Imag

Research Articles

MPS and ACS with an atomic magnetometer

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Simone Colombo (University of Fribourg), Victor Lebedev (University of Fribourg), Zoran Dragan Grujic (University of Fribourg), Vladimir Dolgovskiy (University of Fribourg), Antoine Weis (University of Fribourg)

Copyright (c) 2016 Simone Colombo, Victor Lebedev, Zoran Dragan Grujic, Vladimir Dolgovskiy, Antoine Weis

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

We show that a single atomic magnetometer in a magnetically unshielded environment can be used to perform magnetic particle spectroscopy (MPS) and AC susceptometry (ACS) on liquid-suspended magnetic nanoparticles. We demonstrate methods allowing a simultaneous recording of M(H) and dM/dH(H) dependences of samples containing down to 1 ?g of iron. Our results pave the way towards an atomic magnetometer based MPI scanner.

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