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Mechanisms for higher TC in copper oxide superconductors: Ideas from band calculations

Published inApplied physics letters, vol. 94, 212503
Publication date2009
Abstract

Band calculations for the hole-doped La2CuO4 system show that artificial periodicities of Ba dopants can give the material different properties than from a uniform distribution of dopants. A periodicity within the planes make static pseudogaps, which could be tuned to raise the density-of-states at EF and the superconducting TC. A periodic doping dependence perpendicular to the CuO planes can increase the matrix element for spin fluctuations.

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JARLBORG, Thomas N. Mechanisms for higher T<sub>C</sub> in copper oxide superconductors: Ideas from band calculations. In: Applied physics letters, 2009, vol. 94, p. 212503. doi: 10.1063/1.3142877
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ISSN of the journal0003-6951
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