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Verhandlungen
Verhandlungen
DPG

Berlin 2008 – scientific programme

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MA: Fachverband Magnetismus

MA 18: Poster I : Bio Magn. (1-2); Mag.Imgaging (3-9); Magn. Semiconductors (10-16); Half Metals & Oxides (17-20); Coupl.Phenomena (21-27); Magn. Mat. (28-41); Micro & Nanostr. Magn. Materials (42-61); Micro Magn. (62-64); Surface Magnetism (65-70); Transport Phenomena (71-85)

MA 18.60: Poster

Tuesday, February 26, 2008, 15:15–18:30, Poster E

Direct laser interference patterning of magnetic thin films — •Sebastian Fischer, Philipp Leufke, Stephen Riedel, Manfred Albrecht, Paul Leiderer, and Johannes Boneberg — University of Konstanz, Department of Physics, D-78457 Konstanz, Germany

We report on direct laser interference patterning of magnetic thin films. When exposed to nanosecond laser pulses the films are annealed locally. Thus, the magnetic behaviour is locally altered. The direct laser interference patterning is performed using two, three and four beams of a ns-Nd: YAG laser system at wavelengths of 532 and 266 nm. Different patterns of light intensity can be created by varying the angle of incidence or polarization of the beams. The received magnetic patterns were locally investigated with magnetic force microscopy and compared with the hysteresis loops measured by polar magneto-optical Kerr effect and superconductive quantum interference device magnetometry.

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