Abstract
The central shifts of the emission Mössbauer spectra on 67Cu(67Zn) impurity atoms in the crystal lattices of sodium and copper halides are determined, the relativistic Doppler shifts of the spectra are calculated, and, as a result, isomeric shifts are obtained, which are compared with the nature of the chemical bonding of zinc atoms with halogen atoms in the studied crystals. The values of the quadrupole interaction constants for impurity zinc centers in sodium halides are consistent with the results of calculating these values within the framework of the ionic model.
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