Fig. 10From: Microstructural, Magnetic, and Optical Properties of Pr-Doped Perovskite Manganite La0.67Ca0.33MnO3 Nanoparticles Synthesized via Sol-Gel Processa and c M–H hysteresis loops of the (La0.6Pr0.4)0.67Ca0.33MnO3 nanoparticles post-annealed at 800 and 1000 °C, respectively. b and d are the corresponding local enlarged M–H hysteresis loops in (a and c), respectivelyBack to article page