Spin-polarizing properties of heterostructures with magnetic nano elements |
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| Authors: | A.N. Kocharian A.S. Sahakyan |
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| Affiliation: | a California State University, Los Angeles, University Dr., Los Angeles, CA 90032, USA
b The State Engineering University of Armenia, Teryan St. 105 Yerevan-0009, Armenia |
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| Abstract: | The problem of electron resonant and non-resonant scatterings on two magnetized barriers is studied in the one-dimension. The transfer-matrix is built up to exactly calculate the coefficient of the electron transmittance through the system of two magnetic barriers with non-collinear magnetizations. The polarization of the transmitted electron wave for resonance and non-resonance transmittances is calculated. The transmittance coefficient and spin polarization can be drastically enhanced and controlled by the angle between the barrier magnetizations. |
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| Keywords: | Semiconductor Resonance tunneling Spin polarization Electron 1D scattering Magnetic heterostructure Spin polarization Spintronics Giant magneto-resistance |
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