Mössbauer emission spectra of 119Sn after the EC decay of 119Sb in metals, oxides, and chalcogenides of antimony and tellurium

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Abstract
Mössbauer emission spectra of 119Sn have been measured in metals, oxides, and chalcogenides of antimony and tellurium labeled with 119Sb or 119mTe. Sources of 119Sb and 119mTe metals gave an emission line in the Sn(0) region. In the emission spectra of 119Sb2O3 the species attributable to the Sn(II) state were dominant, while only the Sn(IV) species was found in the 119mTeO2 samples. The 119Sb2S3 and 119Sb2Se3 gave two emission lines attributable to the Sn(II) and Sn(IV) states. The 119Sb2Te3 showed only an emission line in the Sn(II) region. These observations were discussed in terms of the aftereffect of the EC (electron capture) decays and the properties of the matrices.