%0 Journal Article %T Synthesis and superconducting properties of the strontium copper oxy-fluoride Sr2CuO2F2+δ %A AI-Mamouri, M. %A Edwards, P. P. %A Greaves, C. %A Slaski, M. %J Nature %V 369 %N 6479 %P 382-384 %@ 0028-0836 %D 1994-06-02 %I Nature Publishing Group UK %~ DeepDyve