Abstract
Within a scattering framework, a theoretical study is presented for the spin-polarized quasiparticle transport in ferromagnet/d-wave superconductor junctions. We find that the subgap conductance behavior is qualitatively different from a nonmagnetic junction, and can also be significantly different from those of a ferromagnet/s-wave junction. For a ballistic ferromagnet/d-wave superconductor junction, under appropriate conditions, a zero-bias conductance minimum could be achieved. In addition, a conductance maximum at finite bias could be evolved by interfacial scattering. For a normal-metal/ferromagnet/d-wave superconductor junction, conductance resonances are predicted.
| Original language | English |
|---|---|
| Pages (from-to) | 1155-1161 |
| Number of pages | 7 |
| Journal | Superlattices and Microstructures |
| Volume | 25 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 1999 |
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