作者: T. A. Stephens , B. Fultz
DOI: 10.1103/PHYSREVLETT.78.366
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摘要: Mossbauer diffraction was used to measure different autocorrelation functions for 57Fe atoms in chemical environments. The sample polycrystalline 57Fe3Al with the ordered DO3 structure. Diffraction peaks from a fcc structure doubled unit cell were detected when incident radiation tuned resonance of Wyckoff 4(b) Fe site, but not tuning 8(c) thereby distinguishing spatial arrangements these two sites.