2007/06/28 by Itay Asulin, Ofer Yuli, Israel Felner +4
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.76.064507
4 figures
arxiv created 2007/06/28 · openalex publication_date 2007/08/07 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
Scanning tunneling spectroscopy of thin epitaxial SrRuO3∕(110)YBa2Cu3O_7\ensuremath-\ensuremathδ ferromagnet/superconductor bilayers reveals a clear penetration of the Andreev bound states into the ferromagnetic layer. The penetration is manifested in the density of states of the ferromagnet as a split zero-bias conductance peak with an imbalance between peak heights. Our data indicate that the splitting occurs at the superconductor side as a consequence of induced magnetization, confirming recent theoretical predictions. The imbalance is attributed to the spin polarization in the ferromagnet.