Mössbauer Effect in SnI4

Abstract
The Mössbauer effect of the 23.8 keV 119Sn and 26.8 keV 129I transitions has been studied in SnI4 crystals. From the temperature dependence of the recoilless fraction in tin and iodine experiments, two significantly different characteristic temperatures have been found, namely 166°K for the Sn resonance and 85°K for the I resonance. From the intensities of the peaks in the iodine spectrum, the Gol'danskii effect has been calculated. From the quadrupole‐coupling and isomer‐shift measurements in the iodine experiments the bond structure of the Sn–I bond is derived.
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