1999/10/18 by Jian-Xin Zhu, Jian‐Xin Zhu, C. S. Ting · 4 citations
Materials Science · Physics and Astronomy · #Condensed matter physics #Conductance #Ferromagnetism #Iron-based superconductors research #Materials science #Nanotechnology #Physics #Physics of Superconductivity and Magnetism #Proximity effect (electron beam lithography) #Quantum mechanics #Quasiparticle #Rare-earth and actinide compounds #Scattering #Superconductivity #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.61.1456
10 pages, 16 ps-figures, to appear in Phys. Rev. B
arxiv created 1999/10/18 · openalex publication_date 2000/01/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The proximity effect, quasiparticle transport, and local magnetic moment in ferromagnet--d-wave-superconductor junctions with 110-oriented interface are studied by solving self-consistently the Bogoliubov--de Gennes equations within an extended Hubbard model. It is found that the proximity induced order parameter oscillates in the ferromagnetic region. The modulation period is shortened with the increased exchange field while the oscillation amplitude is depressed by the interfacial scattering. With the determined superconducting energy gap, a transfer matrix method is proposed to compute the subgap conductance within a scattering approach. Many interesting features including the zero-bias conductance dip and splitting are exhibited with appropriate values of the exchange field and interfacial scattering strength. The conductance spectrum can be influenced seriously by the spin-flip interfacial scattering. In addition, a sizable local magnetic moment near the 110-oriented surface of the d-wave superconductor is discussed.