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MA: Fachverband Magnetismus
MA 52: Poster II - Magnetic Heusler compounds, Magnetic shape memory alloys, Thin Films, Micro-/Nano-structured magnetic materials, Graphene, Spins in organics, Magnetic imaging, Surface Magnetism, Spin excitations/Torque, Spincaloric transport
MA 52.53: Poster
Friday, March 30, 2012, 11:00–14:00, Poster A
Imaging of magnetization reversal by spin transfer torque — •Matthias Buhl1, Artur Erbe1, Sebastian Wintz1, Jörg Raabe2, Jochen Grebing1, Kay Potzger1, and Jürgen Fassbender1 — 1Helmholtz-Zentrum Dresden-Rossendorf — 2Swiss Light Source, Paul-Scherrer Institut
The magnetic moment of nanosized magnets is widely used for data storage in modern electronics. Integration of such magnets into larger circuits can be possible, if the read-out and the storage of data can be performed electrically. This can, for example, be achieved by using spin transfer torque for the definition of magnetic moment of a nanomagnet. Here, we demonstrate switching of a single magnetic pillar in a so-called current in plane geometry. The pillar structures are fabricated from CoFe layers using electron beam lithography on SiN membranes. The magnetization direction of the pillar is imaged using scanning transmission x-ray microscopy (STXM).