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Verhandlungen
Verhandlungen
DPG

Dresden 2009 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 13: Poster Ia: Electron Theory (1); Magnetic Imaging (2,3); Thin Films (4-25); MSMA (26-33); Magn. Semiconductors (34-42); Magn. Half Metals and Oxides (43-60)

MA 13.32: Poster

Dienstag, 24. März 2009, 10:15–13:00, P1A

Fe-Pd magnetic shape memory foils and films: a comparison of structural, magnetic and electronic properties — •Iris Kock, Tobias Edler, Lisa Kühnemund, and Stefan Georg Mayr — I. Physikalisches Institut, Georg-August-Universität Göttingen

Miniaturization of shape memory devices is an important challenge for application in microactuation. To ensure adequate functionality, a profound knowledge about size dependent limitations and a detailed understanding of the underlying physics is desirable. For this purpose, Fe-Pd splats (with a thickness of 60µ m) that are martensitic at room temperature, were compared to vapor deposited thin films (thickness <1µ m) that were optimized by various techniques during and after growth. Especially comparison of structural, magnetic and electronic properties gives insight into substrate and surface induced constraints as well as other impacts of miniaturization. Funded by the DFG-SPP 1239 (C4)

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