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XRD spectra of -doped ceria nanocrystalline samples. The inset shows AFM image of -doped ceria sample.
Raman spectra (a), behavior of mode (b), and intensity change in oxygen vacancy mode (c) of undoped and Fe-doped samples.
Room-temperature magnetization (M) vs field (H) for undoped and Fe-doped nanocrystals after subtracting the paramagnetic component. Lower inset shows raw experimental M-H data. Upper inset presents room temperature Mössbauer spectra of Fe-doped ceria samples.
M-H curves of the annealed sample. The inset shows room-temperature Raman spectra of the annealed sample.
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