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A lock-in-based method to examine the thermal signatures of magnetic nanoparticles in the liquid, solid and aggregated states

Monnier, Christophe A. ; Lattuada, Marco ; Burnand, David ; Crippa, F. ; Martinez-Garcia, J. C. ; Hirt, A. M. ; Rothen-Rutishauser, B. ; Bonmarin, M. ; Petri-Fink, Alke

In: Nanoscale, 2016, vol. 8, no. 27, p. 13321–13332

We propose a new methodology based on lock-in thermography to study and quantify the heating power of magnetic nanoparticles. Superparamagnetic iron oxide nanoparticles exposed to a modulated alternating magnetic field were used as model materials to demonstrate the potency of the system. Both quantitative and qualitative information on their respective heating power was extracted at high...