Dresden 2009 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 21: Topical Session Nanoporous Functional Materials - Poster

MM 21.9: Poster

Dienstag, 24. März 2009, 14:45–16:30, P4

Transfer of length scales and periodicity of nanowires grown in templates — •Hong-Dan Yan1,2, Peter Lemmens1,2, Hanno Dierke1, Andreas Kruse1, Dirk Menzel1, Frank Ludwig3, and Meinhard Schilling2,31IPKM, TU Braunschweig, Germany — 2IGSM, TU Braunschweig, Germany — 3EMG, TU Braunschweig, Germany

A series of magnetic and optical metamaterials based on Fe, Ni, FexNi1−x and Au wires in porous alumina templates have been synthesized using electrochemistry. Electron microscopy shows a single wire microstructure with uniform size, a diameter of about 30nm - 90nm, and a length controllable by the deposition time. Magnetic measurements (SQUID) show a hysteresis of the magnetization and an anisotropy switching with wire diameter. Work supported by IGSM.

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