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用超声分解法制备了Ｆｅ－Ｃｒ合金纳米微粒，检查了粉末的结构、形态并测量了不同温度处理后的磁性。
The Fe-Cr alloy nanoparticles were prepared by sonication method. The structure and morphology of the powders were examined and the magnetic properties of the powders after different temperatures were measured.