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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Microstructural, Magnetic, and Optical Properties of Pr-Doped Perovskite Manganite La0.67Ca0.33MnO3 Nanoparticles Synthesized via Sol-Gel Process

Fig. 5

a Fourier transform infrared spectroscopy of the (La0.6Pr0.4)0.67Ca0.33MnO3 nanoparticles post-annealed at 700, 800, 900, and 1000 °C for 5 h. b Fourier transform infrared spectroscopy of the (La1 − xPrx)0.67Ca0.33MnO3 nanoparticles post-annealed at 800 °C with different Pr-doping concentrations (x = 0.0–0.5)

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