用ｘ射线衍射技术和穆斯堡尔谱技术，研究了ＦｅＣｕＭＯ合金的结构和超精细相互作用。该合金的相组成为ａ－Ｆｅ（Ｓｉ）纳米晶（ＤＯ３结构）和边界相即残余非晶相，典型纳米晶状态下的穆斯堡尔谱由５条亚谱构成，其中４条亚谱为６峰谱，对应ａ－Ｆｅｉ）相中的４种不同环境中的Ｆｅ原子。另１条亚谱对应边界处的非晶相。研究了非晶带材经５００－６００不同温度晶化处理后的穆斯堡尔谱特性 The structure and superfine interaction of FeCuMO alloy were studied by x-ray diffraction and Mossbauer spectroscopy. The phase composition of the alloy is a-Fe (Si) nanocrystal (DO3 structure) and the boundary phase is the residual amorphous phase. The Mossbauer spectrum of a typical nanocrystalline state is composed of five sub-spectra, of which four sub-spectra are 6 peak spectra, corresponding to a-Fei) phase in four different Fe atoms in the environment. The other 1 sub-spectrum corresponds to the amorphous phase at the boundary. The Mossbauer spectroscopic properties of the amorphous strip after crystallization at 500-600 different temperatures were studied