Berlin 2005 – scientific programme
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HL: Halbleiterphysik
HL 16: Poster Ia
HL 16.6: Poster
Friday, March 4, 2005, 16:30–19:00, Poster TU E
Electrical Searches of Spin Injection from Fe into GaAs-based Heterostructures — •Fang-Yuh Lo1, E. Schuster2, D. Reuter1, W. Keune2, J. Yang1, and A. D. Wieck1 — 1Lehrstuhl für Angewandte Festkörperphysik, Ruhr-Universität Bochum, Universitätsstraße 150, 44780 Bochum — 2Laboratorium für Angewandte Physik, Universität Duisburg-Essen, Lotharstraße 1, 47048 Duisburg
We exploited the cleaved-edge overgrowth(CEO) method to have clean interfaces between Fe and GaAs-based heterostructures. Electrical measurements reveal a Schottky character for the Fe/heterostructures contact. For patterning the Fe film, we use focused ion beam(FIB) milling. We will discuss the fabrication of the spin-valve structure and their electrical characterization.