Fig. 1
X-ray diffraction patterns of the garnet powders produced with a precursor solution at pH 2.45 and annealed at temperatures from 800 °C to 1400 °C.
Fig. 2
X-ray diffraction patterns of the garnet powders annealed at 1400 °C obtained from solutions of pH values between 1.1 and 2.9.
Fig. 3
SEM images of the garnet samples heat treated at (a) 800 °C, (b) 1100 °C and (c) 1400 °C.
Fig. 4
VSM results of samples annealed between 800 and 1400 °C: (a) hysteresis curves and (b) coercivity and saturation magnetization values against annealing temperature.
Fig. 5
Crystallite size and magnetization at different pH values of initial solutions annealed at 1400 °C.