Ballistic electron magnetic microscopy on epitaxial spin valves

DOI to cite this document:: 10.5283/epub.1907

Heindl, Emanuel ; Vancea, Johann ; Back, Christian

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Date of publication of this fulltext: 05 Aug 2009 13:34

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Abstract

The tip of a scanning tunneling microscope has been used as an injector of hot electrons or hot holes into a spin valve epitaxially grown on n-GaAs67P33. Spin-dependent transport of injected and hole excited electrons has been studied in an external magnetic field at room temperature. Significant variations in the collector current due to the spin-dependent inelastic decay of the hot charge ...