Abstract
As for irradiated Bi2Sr2CaCu2O8+δ single crystals annealed in flowing N2 atmosphere, flowing O2 atmosphere, and air, their superconductivity was degraded during exposure to air. The degradation of superconducting transition temperature T c is attributed to the doping of oxygen. The small recovery of T c may be related to the redistribution of oxygen. The superconductivity of samples annealed in N2 atmosphere and air is more stable than that of the sample annealed in O2 atmosphere during exposure to air.
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More From: Journal of Superconductivity Incorporating Novel Magnetism
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