Co 0.7 Mg 0.3 Fe 1.98 Gd 0.02 O 4 nanoparticles were synthesized by coprecipitation for the first time. The nanoparticles show spinel structures with high crystalline purity and excellent magnetic properties.
Development of the new nanohexaferrite SrHo0.01Gd0.01Sm0.01Fe11.97O19 for important applications in industry, which could be very beneficial for applications in magnetic water treatment.