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1Author    C. B. Azzoni, G. B. Parravicini, G. Samoggia, P. Ferloni, F. ParmigianiRequires cookie*
 Title    Electrical Instability in CuOj_ x : Possible Correlations with the CuO-based High Temperature Superconductors  
 Abstract    Physical properties of stoichiometric and non stoichiometric CuO are reported. The electrical conductivity has been measured on CuO pellets, sintered with the usual procedure for the prepara-tion of Y Ba-Cu O superconductors and then deoxygenated under a nitrogen flow. It is shown that oxygen deficient CuO pellets present abrupt and large resistivity drops as the temperature decreases below 230-200 K. Possible correlations between the electrical instability of oxygen defi-cient CuO and the high temperature superconductivity problem are discussed. 
  Reference    Z. Naturforsch. 45a, 790—794 (1990); received February 20 1990 
  Published    1990 
  Keywords    Cupric oxide, Superconductors, Electrical conductivity 
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 TEI-XML for    default:Reihe_A/45/ZNA-1990-45a-0790.pdf 
 Identifier    ZNA-1990-45a-0790 
 Volume    45