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The interfacial effect on spin polarization is studied in a pseudo-spin-valve structure (PSVs) consisting of two ferromagnetic layers (FM) separated by a nonmagnetic metallic layer (NM). We adopt the macroscopic two-current drift-diffusion model and boundary conditions taking spin flip at FM/NM interfaces into account. The two FM/NM interfaces with respect to the spacer NM layer are combined into...
We present a model to explain the spin-polarized injection from ferromagnetic metal into organic semiconductor. Thermionic emission mechanism is considered as the dominant transport mechanism at the interface at low bias. Boundary condition is determined from the relationship of the spin-dependent quasi-electrochemical potentials across the interface. The dependences of the current spin polarization...
In this paper, the spin-polarized injection through n-magnetic/p-nonmagnetic semiconductor heterojunction was investigated theoretically. Based on the drift-diffusion theory and continuity equation, a model was established to explain the spin-polarized injection through the magnetic heterojunction. Boundary conditions were determined by analyzing the relations of the quasi-chemical potentials in n...
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