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@ARTICLE{Gundareva:1046008,
      author       = {Gundareva, Irina and Martinez-Castro, Jose and Tautz, Frank
                      Stefan and Mussler, Gregor and Jalil, Abdur Rehman and Hou,
                      Xiao and Grützmacher, Detlev and Schäpers, Thomas and
                      Lyatti, Matvey},
      title        = {{I}nduced superconductivity in hybrid
                      {A}u/{YB}a2{C}u3{O}7−x electrodes on vicinal substrates},
      journal      = {Scientific reports},
      volume       = {15},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2025-03653},
      pages        = {32282},
      year         = {2025},
      abstract     = {Superconducting electrodes are an integral part of hybrid
                      Josephson junctions used in many applications including
                      quantum technologies. We report on the fabrication and
                      characterization of superconducting hybrid Au/YBa2Cu3O7−x
                      (YBCO) electrodes on vicinal substrates. In these
                      structures, superconducting CuO2-planes face the gold film,
                      resulting in a higher value and smaller variation of the
                      induced energy gap compared to conventional Au/YBCO
                      electrodes based on films with the c-axis normal to the
                      substrate surface. Using scanning tunneling microscopy, we
                      observe an energy gap of about 10–17 meV at the surface of
                      the 15- nm-thick gold layer deposited in situ atop the YBCO
                      film. To study the origin of this gap, we fabricate
                      nanoconstrictions from the Au/YBCO heterostructures and
                      measure their electrical transport characteristics. The
                      conductance of the nanoconstrictions shows a series of dips
                      due to multiple Andreev reflections in YBCO and gold,
                      providing clear evidence of the superconducting nature of
                      the gap in gold. We consider the Au/YBCO electrodes to be a
                      versatile platform for hybrid Josephson devices with a high
                      operating temperature.},
      cin          = {PGI-3 / PGI-6 / PGI-9 / PGI-10},
      ddc          = {600},
      cid          = {I:(DE-Juel1)PGI-3-20110106 / I:(DE-Juel1)PGI-6-20110106 /
                      I:(DE-Juel1)PGI-9-20110106 / I:(DE-Juel1)PGI-10-20170113},
      pnm          = {5213 - Quantum Nanoscience (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5213},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {40890252},
      UT           = {WOS:001565533400005},
      doi          = {10.1038/s41598-025-17434-y},
      url          = {https://juser.fz-juelich.de/record/1046008},
}