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Author (up) Galván, D. H.; Avalos-Borja, M.; Farías, M. H.; Cota-Araiza, L.; Reyes, A.; Cruz-Reyes, J.; Early, E. A.; Nieva, G.; De Andrade, M.; Maple, M. B. openurl 
  Title Effect of silver in Y1Ba2Cu3O7−x samples Type Journal Article
  Year 1994 Publication Journal of Materials Science Abbreviated Journal  
  Volume 29 Issue 10 Pages 2713-2718  
  Keywords  
  Abstract Two techniques for preparing Y-Ba-Cu-O/Ag specimens are presented: (a) solid-state reaction, and (b) normal precursors dissolved in hot concentrated nitric acid and dried in air. The samples are characterized by scanning electron microscopy (SEM), scanning Auger, X-ray diffraction, optical microscopy and electrical resistivity measurements. In comparison with a normal 1-2-3 superconductor it was found that the normalized resistance [R(T)/R(280 K)] decreases for both preparation methods. The material retained a high initial temperature of superconductivity, T c, for a maximum of 6% w/o Ag2O during solid-state reaction and 6.5% w/o Ag2O for samples dissolved in hot concentrated nitric acid and dried in air.  
  Address  
  Corporate Author Thesis  
  Publisher Springer Netherlands Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-2461 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number BT @ gnieva @ Serial 449  
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