Abstract
We built electron and phonon free energies and attempted to investigate the effect of the electron–phonon interaction on giant magnetoresistance in magnetic multilayers. Starting from a jellium-like model, we found that the electron–phonon interaction can have an important effect on the spin splitting of electronic energy band. The expression of giant magnetoresistance has been obtained by considering the spin splitting of electronic energy band, indicating that the effect of phonon could not be neglected. Numerical calculations using our approach demonstrate the agreement between experimental and theoretical values.
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