A study of band filling in palladium based alloys using the Mossbauer effect in 57Fe and 197Au
作者： G Longworth
DOI: 10.1088/0022-3719/3/1S/309
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摘要: Marked discontinuities are observed in the slope of variation with gold concentration 57Fe isomer shift, linewidth and hyperfine field Mossbauer spectra palladium (iron 2 at.%) alloys at around 50 at.% gold. These associated a decrease effectiveness charge screening iron sites when d band is filled. The change from ferromagnetic behaviour to random antiferromagnetic shown occur Curie temperatures rich be determined by matrix susceptibility. A small 197Au shift about which was not seen earlier experiment Roberts et al. There no anomalous variation, implying little atoms Preliminary measurements on copper 1 indicate marked discontinuity
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