Perfect spin filtering controlled by an electric field in a bilayer graphene junction: Effect of layer-dependent exchange energy
Jatiyanon Kitakorn1, Tang I-Ming2, Soodchomshom Bumned1, †,
       

Plot of spin conductance versus electric field-induced gap ΔE in the case of E = h = 5 meV, for the AP-junction with different values of U: (a) 0 meV, (b) 2.5 meV, (c) 5 meV, and (d) 7.5 meV.