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用相干式自旋回波方法观察到Fe_4N合金中的~(57)Fe核磁共振谱.各向异性超精细相互作用及畴壁位移激发造成了FeⅡ的奇异核磁共振线形.
The ~ (57) Fe NMR spectra of Fe_4N alloy were observed by coherent spin echo method, and the anisotropic hyperfine interaction and domain wall displacement excitation caused the singular NMR linearity of Fe Ⅱ.