Journal
PHYSICAL REVIEW B
Volume 63, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.63.161307
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Spin-dependent ballistic transport in a mesoscopic two-dimensional electron system with two metallic ferromagnetic electrodes is studied using the Landauer-Buttiker formalism. Our calculations predict a pronounced spin-valve effect in the ballistic regime for, e.g., Fe on InAs. The origin is spin filtering at the interfaces. In this spintronic device, the magnetoconductance ratio can be controlled via a gate voltage.
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