Luminomagnetic Silica-Coated Heterodimers of Core/Shell FePt/Fe₃O₄ and CdSe Quantum Dots as Potential Biomedical Sensor

Figure 4

Hysteresis loops at room temperature for FePt/Fe₃O₄ magnetic nanoparticles core (red line), FePt/Fe₃O₄-CdSe HNS (black line), and FePt/Fe₃O₄-CdSe/SiO₂ HNS before (blue line) and after (green line) thermal annealing without correction of the nonmagnetic materials contribution.