Simple and fast evaluation of relaxation parameters of magnetic nanoparticles
Philipp Lemala, Sandor Baloga, Liliane Hirschi-Ackermanna, Patricia Taladriz-Blancoa, Ann M. Hirtb, Barbara Rothen-Rutishausera, Marco Lattuadac,* and Alke Petri-Finka,c,*
a Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700 Fribourg, Switzerland
b Institut for Geophysics, ETH Zurich, Sonneggstrasse 5, CH-8092 Zurich, Switzerland
c Chemistry Department, University of Fribourg, Chemin du Museé 9, CH-1700 Fribourg Switzerland * Corresponding authors: marco.lattuada@unifr.ch and alke.fink@unifr.ch
Figure S1. TEM micrographs of all polymer coated SPIONs confirm colloidal stability and show no aggregation. A) Cat-PEG 5kDa, B) Cat-PEG 2kDa, and C) Cat-PVA 5kDa coated cubes. D) Cat-PEG 5kDa, E)
Cat-PEG 2kDa, and F) Cat-PVA 5kDa coated spheres. Scale bar represents 200 nm.
Figure S2. M-H curves of cubic and spherical particles coated with 4 different surface agents. None of the
Figure S3. From M-H curves derived magnetization volume of cubes (left) and spheres (right) as a function of surface coating.