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Author (up) Braun, E.; Jackel, G.; Roden, B.; Sereni, J.G.; Wohlleben, D. doi  openurl
  Title Comparative study of the specific heat of superconducting and non-superconducting YBa2Cu3O7-x Type Journal Article
  Year 1988 Publication Zeitschrift für Physik B Condensed Matter Abbreviated Journal Z. Phys. B  
  Volume 72 Issue 2 Pages 169-173  
  Abstract We have measured the specific heat, the electrical resistance and the magnetic susceptibility of YBa2Cu3O7−x in a superconducting (sc) and in a non-superconducting (nsc) version. The latter was obtained by inducing a small loss of oxygen. In the sc sample we find a jump of the specific heat with ΔC=3.6 J mole−1 K−1. Below the maximum nearT c the specific heat of the sc version drops too fast for an electronic effect alone: there is a cross-over from excess to deficiency already at 0.9T c . The specific heat of the nsc version shows a change of slope in the temperature range between 70 and 80 K, which indicates the existence of a second specific heat anomaly, which apparently exists independently of that due to the onset of superconductivity and explains at least partially the premature crossover.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0722-3277 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:A1988P796500004 Approved no  
  Call Number BT @ hernan @ Serial 125  
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