Abstract:Mossbauer and x-ray diffraction measurements have been made on M,~xFe,(PyNO),(C10,)2, where M is Zn or Mg, for 0 < x s 1. It has been possible to reproduce the Mossbauer spectra reasonably well using a model in which the ferrous ions experience a small off-axial distortion from the nominal trigonal (C3J site symmetry. The Mossbauer results indicate that the proportion of Fe" ions in sites that are distorted from trigonal symmetry varies as a function of iron concentration in the Zn-Fe series but remains appare… Show more
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