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Preparation and Characterization of γ′‐Fe3SnN

Single-phase Fe 3 SnN compound has been fabricated for the first time by annealing iron-tin oxalate in a mixture of NH 3 and H 2 . It has a f.c.c. crystal structure, and the d space was calculated from the results of X-ray diffraction. The Mossbauer result indicates that the compound is a ferromagnet at low temperature (20 K), but shows paramagnetism at room temperature. The average grain size of Fe3SnN is about 10 μm.