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Substitution for Cu in the electron-doped infinite-layer superconductor Sr0.9La0.1CuO2, Ni reduces Tc much faster than Zn

C. U. Jung·J. Y. Kim·Min-Seok Park·Hun-Jeong Kim·Mun-Seog Kim·Sung-Ik Lee
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Abstract

We report on the effect of substitution for Cu on Tc of electron-doped infinite-layer superconductors Sr0.9La0.1Cu1-xRxO2, R = Zn and Ni. We found that Tc was nearly constant until x = 0.03 for R = Zn, while superconductivity was nearly suppressed for x = 0.02 with dTc/dx = 20 K/% for R = Ni. This behavior is very similar to that of conventional superconductors. These findings are discussed in terms of the superconducting gap symmetry in the cuprate superconductors including another electron-doped superconductor, (Nd,Ce)2CuO4-y.

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C. U. Jung, J. Y. Kim, Min-Seok Park, Hun-Jeong Kim, Mun-Seog Kim, Sung-Ik Lee. 2001-06-23. Substitution for Cu in the electron-doped infinite-layer superconductor Sr0.9La0.1CuO2, Ni reduces Tc much faster than Zn. https://doi.org/10.1103/physrevb.65.172501

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