Physics – Condensed Matter – Superconductivity
Scientific paper
2003-04-11
Physics
Condensed Matter
Superconductivity
Scientific paper
The London penetration depth, lambda{ab}(T), is reported for thin films of the electron-doped superconductor Pr{2-x}Ce{x}CuO{4-y} at three doping levels (x = 0.13, 0.15 and 0.17). Measurements down to 0.35 K were carried out using a tunnel diode oscillator with excitation fields applied both perpendicular and parallel to the conducting planes. For all samples and both field orientations lambda{ab}(T) showed power law behavior implying a superconducting gap with nodes.
Fournier Patricia
Gauthier Jerome
Giannetta Russell W.
Lawrie D. D.
Prozorov Ruslan
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