Fig. 9. Magnetic dc-susceptibility vs. temperature dependences measured in ZFC/FC protocols in external magnetic field of 100 Oe. (a) Hexagonal composites with different concentration of Fe3+ NPs, (b) cubic composites with different concentration of Fe3+ NPs, (c) hexagonal composites with different concentration of Gd3+ NPs, (d) cubic composites with different concentration of Gd3+ NPs.
