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T c suppression and upper critical fieldH c2 in YBa2Cu3O7−δ with in-plane oxygen defects

  • HITC—Transport, Thermodynamic Properties, Electron-Phonon Coupling
  • Published:
Czechoslovak Journal of Physics Aims and scope

Abstract

We have studied the effects of oxygen defects in CuO2 planes by 80 keV electron irradiation on YBCO thin films. Similar to the results of Zn-doped YBCO, a significant increase in eesidual resistivity accompaniesT c suppression, and the relation could be described in the framework of pair-breaking. However, theT c suppression rate is three times as slow, as predicted byd-wave pairing symmetry. For irradiated samples, (dH c2 /dT) nearT c is consistent with the scenario of double pair-breaking, in contrast to the case of Pr-doped YBCO.

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Lin, J.Y., Yang, H.D., Tolgygo, S.K. et al. T c suppression and upper critical fieldH c2 in YBa2Cu3O7−δ with in-plane oxygen defects. Czech J Phys 46 (Suppl 3), 1187–1188 (1996). https://doi.org/10.1007/BF02562708

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  • DOI: https://doi.org/10.1007/BF02562708

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