University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Colloquium

Wednesday, February 4th 2009
3:35 pm:
Speaker: Paul Crowell, University of Minnesota
Subject: Spin Transport
Refreshments served in Room 216 Physics after colloquium

This colloquium will provide an introduction to the physics of spin transport in solids, with an emphasis on semiconductors. I will focus on the roles played by tunneling, spin-orbit coupling, and hyperfine interactions in the injection, transport and detection of spin-polarized electrons. Examples from experiments on ferromagnet-semiconductor junctions will be used to illustrate some of the unusual physics associated with these phenomena. The technological implications will be discussed briefly (and somewhat skeptically).

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