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Hot electron spin attenuation lengths of bcc Fe34Co66—Room temperature Magnetocurrent of 1200%

Heindl, Emanuel ; Kefes, Christoph ; Soda, Marcello ; Vancea, Johann ; Back, Christian



Abstract

We investigate spin-dependent hot electron transport through metallic epitaxial spin valves by ballistic electron magnetic microscopy (BEMM). By variation of the thickness of one of the ferromagnetic layers we determine the spin dependent attenuation lengths which reflect hot electron transport along the vicinity of the [1 0 0]-axis of the bcc Fe34Co66 lattice. The majority spin attenuation ...

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