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Electrical properties of BaTiO3, CoFe2O4 and La1/2(Ca, Sr)1/2MnO3 thin films and their importance for active barriers in tunnel transport

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Figure

Figure 1.1:Band diagram for Schottky barrier between metal-semiconductor.
Figure 1.2: Sketch of the tunneling process in a roughly insulator surface.
Figure 1.3: Schematic representationof the spin filter:ferromagnetic barrier(FI) and ferro-magnetic electrode (FM) magnetized a) in parallel, or b) antiparallel directions.
Figure 1.4: Sketch of the TMR response for an ideal spin-filter with PFM and PSF
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