Dirty superconductivity in the electron-doped cuprate Pr(2-x)Ce(x)CuO(4-delta): tunneling study.
Phys Rev Lett
; 99(14): 147004, 2007 Oct 05.
Article
em En
| MEDLINE
| ID: mdl-17930707
ABSTRACT
We report a tunneling study between Pr(2-x)Ce(x)CuO(4-delta) and lead as a function of doping, temperature, and magnetic field. The temperature dependence of the gap follows the BCS prediction. Our data fit 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 Pr(2-x)Ce(x)CuO(4-delta) is a weak-coupling BCS dirty superconductor.
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MEDLINE
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En
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Phys Rev Lett
Ano de publicação:
2007
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Article