Based on the nonequilibrium Green’s function technique and the Landauer–Büttiker theory, the possibility of a molecular spintronic device, which consists of a single C60 molecule attached to two ferromagnetic electrodes with finite cross sections, is investigated. By studying the coherent spin-dependent transport through the energy levels of the molecule, it is shown that the tunnel magnetoresistance (TMR) of the molecular junction depends on the applied voltages and the number of contact points between the device electrodes and the molecule. The TMR values more than 60% are obtained by adjusting the related parameters.
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Alireza Saffarzadeh (2008) studied this question.
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