Dresden 2006 – wissenschaftliches Programm

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MA: Magnetismus

MA 20: Poster: Films(1-36) Transp(37-56) Ex.Bias(57-67) Spindyn(68-80) Micromag(81-95) Particle(96-109) Imag.+Surface(110-113) Spinelectr(114-122) Theory+Micromag(123-131) Spinstr+Aniso(132-142) MagMat(143-156) Meas(157,158) MolMag+Kondo(159-162) Postdead(163-)

MA 20.46: Poster

Dienstag, 28. März 2006, 15:15–19:15, P1

Local magnetic-switching-behaviour of Magnetic Tunnel Transistors studied by Ballistic Electron Magnetic Microscopy (BEMM) — •Emanuel Heindl, Johann Vancea, and Christian Back —
Institut für Experimentelle und Angewandte Physik, Universität Regensburg, Universitätsstr. 31, 93053 Regensburg

We used Ballistic Electron Magnetic Microscopy to study the local magnetic properties of spin-valve-structures. Local switching behaviour has been measured for Py/Cu/Co- and FeCo/Au/FeCo-spin-valves with magnetoresistance-effects of several hundred percent. Close to the switching field µm-scale-magnetic-domains have been imaged.