Anomalous low temperature behavior of superconducting Nd1.85 Ce0.15 CuO4-y

Journal Article

Bicrystal grain boundary Josephson junctions of the electron-doped cuprate superconductor Nd1.85Ce0.15CuO4-y are used to measure the temperature dependence of the in-plane London penetration depth λab(T) and the maximum Josephson current Ic(T). Results showed that λab(T) and Ic(T) anomalously increases and decreases, respectively, with decreasing temperature below 4 K due to the presence of the Nd3+ paramagnetic moments.

Duke Authors

Cited Authors

  • Narimanov, EE; Cerruti, NR; Baranger, HU; Tomsovic, S

Published Date

  • 1999

Published In

Volume / Issue

  • 83 / 13

Start / End Page

  • 2644 - 2647

International Standard Serial Number (ISSN)

  • 0031-9007