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Spin-polarized reflection of electrons in a two-dimensional electron system

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arxiv cond-mat/0308569 v2 pith:GWDGSSPI submitted 2003-08-27 cond-mat.mes-hall cond-mat.mtrl-sci

Spin-polarized reflection of electrons in a two-dimensional electron system

Hong Chen , J. J. Heremans , J. A. Peters , J. P. Dulka , A. O. Govorov , N. Goel , S. J. Chung , M. B. Santos This is my paper
classification cond-mat.mes-hall cond-mat.mtrl-sci
keywords spin-polarizedbeambeamselectronelectronsreflectionsystemtwo-dimensional
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We present a method to create spin-polarized beams of ballistic electrons in a two-dimensional electron system in the presence of spin-orbit interaction. Scattering of a spin-unpolarized injected beam from a lithographic barrier leads to the creation of two fully spin-polarized side beams, in addition to an unpolarized specularly reflected beam. Experimental magnetotransport data on InSb/InAlSb heterostructures demonstrate the spin-polarized reflection in a mesoscopic geometry, and confirm our theoretical predictions.

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