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Verhandlungen
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DPG

Regensburg 2016 – scientific programme

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MA: Fachverband Magnetismus

MA 39: Magnetic Particles

MA 39.9: Talk

Thursday, March 10, 2016, 11:45–12:00, H31

Solid state NMR - a powerful tool to characterize magnetic nanoparticle assemblies — •Franziska Hammerath1,2, Markus Gellesch2, Maik Scholz2, Rasha Ghunaim2, Maria Eleni Belesi2, Alexey Alfonsov2, Heike Schlörb2, Silke Hampel2, Sabine Wurmehl2, and Bernd Büchner21Institute for Solid State Physics, Dresden Technical University, TU Dresden, 01062 Dresden, Germany — 2IFW Dresden, Institute for Solid State Research, PF 270116, 01171 Dresden, Germany

We present nuclear magnetic resonance (NMR) measurements on magnetic nanoparticles, most of them synthesized inside carbon nanotubes, with unary, binary and ternary precursor conditions. Our studies on Co, Fe, CoFe, CoGa, Co2FeGa and Mn3O4 nanoparticles show that nuclear magnetic resonance is the method of choice to identify and quantify different chemical compositions, local environments and crystallographic structures of intermetallic magnetic nanoparticle assemblies. Advantages of this method compared to standard characterization methods such as powder X-ray diffraction or TEM-EDX will be discussed.

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