Abstract
119Sn Mössbauer spectroscopy was used to study an 1-2-4 type material of composition of SnSr2Ca0.5Y0.5Cu3O8+d as well as the precursor SnO. The Mössbauer parameters of the precursor differed from those of the 1-2-4 material. With the 1-2-4 material an abrupt break-down was observed in the electrical resistivity curve at 76 K. No corresponding change could be shown in the Mössbauer parameters.
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Kuzmann, E., Nagy, S., Csikos, É. et al. Mössbauer study of tin compounds related to highT c superconductors. Hyperfine Interact 70, 1147–1150 (1992). https://doi.org/10.1007/BF02397532
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DOI: https://doi.org/10.1007/BF02397532