Probing spin polarization with Andreev reflection: A theoretical basis

By I. Mazin, A. Golubov, B. Nadgorny. 2000

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Andreev reflection at the interface between a ferromagnet and a superconductor has become a foundation of a versatile technique of measuring the spin polarization of magnetic materials. In this article we will briefly outline a general theory of Andreev reflection for spin-polarized systems and arbitrary Fermi surface in two limiting cases of ballistic and diffusive transport.

Subfields: Spectroscopy, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/e1dfcc301858463a2b42f1a0ae118f92bda4ef68