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- W2019634924 abstract "The electronic and magnetic properties of Fe/GaAs(001) magnetic junctions are investigated using first-principles density-functional calculations. Abrupt and intermixed interfaces are considered, and the dependence of charge transfer, magnetization profiles, Schottky barrier heights, and spin polarization of densities of states on interface structure is studied. With As-termination, an abrupt interface with Fe is favored, while Ga-terminated GaAs favors the formation of an intermixed layer with Fe. The Schottky barrier heights are particularly sensitive to the abruptness of the interface. A significant density of states in the semiconducting gap arises from metal interface states. These spin-dependent interface states lead to a significant minority spin polarization of the density of states at the Fermi level that persists well into the semiconductor, providing a channel for the tunneling of minority spins through the Schottky barrier. These interface-induced gap states and their dependence on atomic structure at the interface are discussed in connection with potential spin-injection applications." @default.
- W2019634924 created "2016-06-24" @default.
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- W2019634924 date "2006-03-27" @default.
- W2019634924 modified "2023-10-11" @default.
- W2019634924 title "Influence of interface structure on electronic properties and Schottky barriers in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mi>Fe</mml:mi><mml:mo>∕</mml:mo><mml:mi>GaAs</mml:mi></mml:mrow></mml:math>magnetic junctions" @default.
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- W2019634924 doi "https://doi.org/10.1103/physrevb.73.115332" @default.
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