Interface spin-flip scattering model for point contact Andreev reflection
- Kant, C.H.
- Kurnosikov, O.
- Filip, A.T.
- Swagten, H.J.M.
- Jonge, de, W.J.M.
DOIAbstract
Point contact Andreev reflection measurements show a correlation between measured spin polarization and the interface scattering parameter Z extracted from fits of the modified Blonder–Tinkham–Klapwijk model to the conductance–voltage curves of superconductor/ferromagnet point contacts. We present a simple spin–flip scattering model which identifies Z2 as the effective scattering parameter and explains the observed exponential decay of the spin polarizatio
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