Fig. 2.

a X-ray diffraction patterns of the (La1 − xPrx)0.67Ca0.33MnO3 (x = 0.0–0.5) nanoparticles post-annealed at 800 °C with different Pr-doping concentrations. b Local (2θ = 31–35o) XRD patterns around the strongest diffraction peak (200)

a X-ray diffraction patterns of the (La1 − xPrx)0.67Ca0.33MnO3 (x = 0.0–0.5) nanoparticles post-annealed at 800 °C with different Pr-doping concentrations. b Local (2θ = 31–35o) XRD patterns around the strongest diffraction peak (200)