Figure 10

The hysteresis loops (M–H curves) of the LaFeO₃, La_0.70Eu_0.30FeO₃, and La_0.70Eu_0.30Fe_0.95Cr_0.05O₃ nanoparticles at (a) 300 K and (b) 4 K. The inset shows a zoom-in image of the same loops to display the non-zero values of both coercivity and remnant magnetization at 2 K.