Dirty Superconductivity in the Electron-Doped Cuprate PCCO: a Tunneling Study

Details Dirty Superconductivity in the Electron-Doped Cuprate PCCO: a Tunneling Study Dirty Superconductivity in the Electron-Doped Cuprate PCCO: a Tunneling Study

2007-02-05

arxiv.org/abs/cond-mat/0702091v2

Phys. Rev. Lett. 99, 147004 (2007)

Physics

Condensed Matter

Superconductivity

Scientific paper

10.1103/PhysRevLett.99.147004

We report a tunneling study between Pr_2-xCe_xCuO_{4-delta} (PCCO) and Lead as a function of doping, temperature and magnetic field. The temperature dependence of the gap follows the BCS prediction. Our data fits a nonmonotonic d-wave order parameter for the whole doping range studied. From our data we are able to conclude that the electron-doped cuprate PCCO is a weak coupling, BCS, dirty superconductor.

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