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The electron tunneling through a nonmagnetic heterostructure modulated by both the in-plane magnetic field and the δ-doping has been investigated in detail using the transfer-matrix method. The numerical results indicate that, in such a nonmagnetic device, one can obtain the considerable spin polarization which is dependent on the in-plane magnetic field and the δ-doping as well as the wave vector...
We theoretically investigate electron transport properties in a nanostructure modulated by the realistic magnetic field and the δ-doping. We find that the electron transport properties are strongly dependent on the weight and the position of the δ-doping. These interesting finds may be very helpful for designing the δ-doping-tunable spintronic devices.
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