Spin-valve structure and method for making spin-valve structures

摘要

The present invention concerns in a first aspect a spin-valve structure comprising a first and a second free ferromagnetic layer and a spacer layer positioned between said first and second free ferromagnetic layer, and wherein said first free ferromagnetic layer is positioned on a substrate. In a preferred embodiment of the invention, said first free ferromagnetic layer is in direct contact with the surface of said substrate. <IMAGE>