Temperature Dependent Local Instability of the Hg1212 Structure by Polarized EXAFSReport as inadecuate




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Abstract : The local structure of the Hg1212 crystal has been investigated by temperature dependent polarized Cu K-edge extended x-ray absorption fine structure EXAFS. We have observed an anomalous behavior of the local structure showing anomaly at around the superconducting transition temperature Tc in the temperature dependence of the Cu-Oplanar distance. The result suggests similarity of the temperature dependent local instability in the superconducting cuprates.





Author: N. Saini M. Brunelli A. Lanzara M. Lusignoli T. Rossetti A. Bianconi Pierre Bordet F. Duc J. Hazemann J. Karpinski

Source: https://hal.archives-ouvertes.fr/



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