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In‐Situ Growth of Superconducting Bi‐Sr‐Ca‐Cu‐O Thin Films by Activated Reactive Co‐evaporation
Published online by Cambridge University Press: 28 February 2011
Abstract
The effect of in‐situ cooling conditions on surface roughness and superconducting properties have been studied. Bi‐Sr‐Ca‐Cu‐0 thin films were grown in‐situ on (100) MgO substrates at 700°C by activated reactive co‐evaporation. The films cool‐down in 760 Torr oxygen showed a transition temperature (Tc(onset)) of 100 K and zero resistance temperature (Tc (zero)) of 65 K. Smooth surface was obtained for the sample cooled‐down in oxygen plasma.
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