Particle motion artifacts in equilibrium magnetization measurements of large iron oxide nanoparticles

•M−H data for large IONPs suspended in liquid show deviations from Langevin behavior.•Measurements in solid matrices may still be confounded by particle motion artifacts.•Thick coatings like PEG impart steric stabilization, eliminates low field deviation.•Magnetogranulometric fits are affected by ma...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2022-04, Vol.547, p.168889, Article 168889
Hauptverfasser:	Savliwala, Shehaab, Liu (刘思彤), Sitong, Rinaldi-Ramos, Carlos M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Diameters Equilibrium magnetization measurements Iron oxide nanoparticles Iron oxides Langevin behavior Magnetic properties Magnetic saturation Magnetization Magnetization curves Magnetogranulometric analysis Nanoparticles Particle interactions Particle motion Particle size distribution Superparamagnetic behavior
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