Patent ID: 9219226
Filing Date: 2015-12-22
Classification: B82Y,G01R,G11B,G11C,H01F,H01L,Y10T

Abstract:
1. A spin-valve device, comprising: (a) a uniform thickness substrate; (b) a first ferromagnetic electrode and a second ferromagnetic electrode in a vertically spaced orientation relative to each other and applied to the substrate, with the first ferromagnetic electrode being directly attached to the substrate, and the first and second ferromagnetic electrodes being formed of either (c) a π-conjugated organic semiconductor spacer layer positioned between and directly adjacent to the first and second ferromagnetic electrodes; wherein the substrate, the first ferromagnetic electrode, the π-conjugated organic semiconductor spacer layer, and the second ferromagnetic electrode are configured in a vertically stacked planar geometry; and wherein the device is configured to allow for the passage of spin-polarized charge carriers between the first and second electrodes when the magnetic polarization of the first and second ferromagnetic electrodes are antiparallel, and to block passage of spin-polarized charge carriers when the magnetic polarization of the first and second ferromagnetic electrodes are parallel.