Nb/CuNi Sandwiches as Superconducting Spin-Valve Core Structures

A. Potenza, C. H. Marrows

We have investigated CuNi/Nb/CuNi trilayers, as have been recently used as the core structure of a spin-valve like device [J. Y. Gu et al., Phys. Rev. Lett. 89, 267001 (2002)] to s…