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Superconductivity in Na-doped Bi2Sr2CaCu2O y system

  • International Conference On Superconductivity—I
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Abstract

Samples with the nominal composition Bi2Sr2Ca1−x Na x Cu2O y (x=0, 0·1, 0·2 and 0·3) were prepared by solid-state reaction of the individual compounds. X-ray diffraction patterns indicate that the samples have a majority 2212 phase with 2223 also being present. From the DC four-probe resistance data, we have observed that the furnace-cooled samples show metallic behaviour while the quenched samples show superconductivity up to 97 K.

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Suryanarayana, S.V., Krishna, B.G., Gundakaram, R. et al. Superconductivity in Na-doped Bi2Sr2CaCu2O y system. Bull. Mater. Sci. 14, 303–308 (1991). https://doi.org/10.1007/BF02747333

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  • DOI: https://doi.org/10.1007/BF02747333

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