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Currents without borders

Nature volume 407, pages 139141 (14 September 2000) | Download Citation

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Following the discovery of superconductivity at liquid-nitrogen temperatures, the idea of making ‘superwires’ soon ran into problems. Structural impurities remain the main obstacle, but a high dose of calcium may be the answer.

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Correspondence to Paul M. Grant.

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https://doi.org/10.1038/35025162

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