Fig. 12From: Microstructural, Magnetic, and Optical Properties of Pr-Doped Perovskite Manganite La0.67Ca0.33MnO3 Nanoparticles Synthesized via Sol-Gel ProcessM–H hysteresis loops of the (La1 − xPrx)0.67Ca0.33MnO3 nanoparticles post-annealed at 800 °C with different Pr-doping concentrations. a x = 0.1, c x = 0.2, e x = 0.3, and g x = 0.4. b, d, f, and h are the corresponding local enlarged M–H hysteresis loops in (a, c, e, and g), respectivelyBack to article page