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 Bumned^{1, †,}

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