Synthesis and investigation of magnetic properties of Gd-substituted Mn-Zn ferrite nanoparticles as a potential low-TC agent for magnetic fluid hyperthermia

Gd-substituted Mn-Zn ferrite nanoparticles of different compositions were synthesized by chemical co-precipitation method. To study the reduction of the Curie temperature (T-C) for different samples, their magnetic properties in dependence from the composition and cationic distribution were investigated. An attempt to lower the T-C of superparamagnetic particles to the optimal temperature required in magnetic fluid hyperthermia (44-47 degrees C) was made. (c) 2005 Elsevier B.V. All rights reserved.