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A simple and practical ultrasonically synthetic strategy for the preparation of rare-earth based catalyst, nanostructured NiFe2–xEuxO4 was developed. The structure of NiFe2–xEuxO4 was characterized by various analyses such as X-ray diffraction (XRD), scanning electron microscopy (SEM) and fourier transform infrared spectroscopy (FT-IR). The catalytic performance of NiFe2–xEuxO4 was evaluated for the...
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