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\bibitem{Papp_etal2005} {\textquotedblleft}\textit{Spin polarization in a two-dimensional electron gas modulated periodically by ferromagnetic and Schottky metal stripes}{\textquotedblright}. Papp G, Vasilopoulos P, Peeters FM, Physical review : B : condensed matter and materials physics \textbf{72}, 115315 (2005).   http://doi.org/10.1103/PhysRevB.72.115315

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