Berlin 2008 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 32: Postersession II: Spinstruct./Phase Trans. (1-10); Spinelectronics (11-15); Thin Films (16 - 36); Particles/Clusters (37-45); Multiferroics (46-54); Spindynamics/Spin Torque (55 - 76); Post Deadlines (77-79)
MA 32.24: Poster
Freitag, 29. Februar 2008, 11:15–14:00, Poster E
Characterization of hybrid amorphous-partially crystalline thin films — •Norbert Martin1, Christine Hamann1, Jeffrey McCord1, Jürgen Faßbender2, Eckhard Quandt3, Andreas Gerber4, Nadja Bigall5, Alexander Eychmüller5, and Ludwig Schultz1 — 1IFW Dresden, Dresden, Deutschland — 2FZD, Dresden, Deutschland — 3CAU Kiel, Kiel, Deutschland — 4Caesar, Bonn, Deutschland — 5PC2 TU Dresden, Dresden, Deutschland
Amorphous FeCoBSi thin films with uniaxial anisotropy have been laterally structured by Co ion implantation into stripe arrays. The resulting multiphase samples were investigated regarding the magnetic properties. Hysteresis measurements revealed a large increase in coercivity of the implanted areas. By means of TEM investigations this could be attributed to formed crystallites in the amorphous matrix. Magneto-optical imaging was used to correlate the domain structure to the magnetic hysteresis. It is demonstrated that stripe orientation with respect to the magnetic easy axis governs the coupling between implanted and non implanted areas.