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Disorder in the ranks

R. J. Cava ()
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R. J. Cava: Bowen Hall

Nature, 1998, vol. 394, issue 6689, 126-127

Abstract: High-temperature superconductors need to be doped with elements that donate charge-carrier. By changing the dopant cation, the superconducting transition temperature can be changed markedly. Why? It is due to lattice strains, caused by disorder in the cation size. This solves a ten-year old puzzle — but leaves open the question of the microscopic mechanism of high-temperature superconductivity.

Date: 1998
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DOI: 10.1038/28044

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