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MA: Fachverband Magnetismus

MA 8: Focus Session: Magnetic structurally and compositionally modulated nanowires and nanotubes

Montag, 12. März 2018, 15:00–18:30, H 1012

There is an increasing scientific activity on magnetic nanowires and nanotubes with tunable circular section (as opposed to nanostripes). Length, diameter, shell thickness and materials can be selected from a wide range of magnetic alloys and elements. Axially and radially modulated structured can be synthesized. These families of cylindrical wires and tubes are currently proposed in a number of applications ranging from specific media for magnetic memory applications (race-track), microwave applications (stealth absorbing materials), magnetic sensing elements and logic devices at the nanoscale (nano-technology), or for applications based on their magneto-thermo-electrical properties (energy conversion and harvesting). Other relevant applications include their organic functionalization for a number of biomedical applications. Most of those applications derive from their unique magnetic characteristics namely the magnetic configuration (e.g., magnetic domains), demagnetization process (e.g., nucleation and depinning of transverse or vortex domain walls; coherent/non-coherent rotational processes), and frequency dependent behaviour (e.g., microwave absorption phenomena). In short, the motivation of this Mini-colloquium is to bring together specialists and scientists interested in novel applications of anisotropic nanostructures to discuss and exchange ideas on both fundamental and applied issues of these nanowires and nanotubes.

Organized by: Manuel Vazquez (ICMM-CSIC, Madrid), Michael Farle (U. Duisburg-Essen), Kornelius Nielsch (IFW Dresden)

	15:00	MA 8.1	Hauptvortrag: Multiple nanostructures based on anodized aluminium oxide templates — •Yong Lei
	15:30	MA 8.2	3D cobalt nanotubes grown by focused electron beam induced deposition — Javier Pablo-Navarro, •César Magén, Amalio Fernandez-Pacheco, Luis Alfredo Rodriguez, and José María De Teresa
	15:45	MA 8.3	Hauptvortrag: Towards a three dimensional curvilinear magnonic transducer — •Jorge A Otalora, Jürgen Lindner, Helmut Schultheiss, Kilian Lenz, Andy Thomas, Kornelius Nielsch, and Attila Kákay
	16:15	MA 8.4	Hauptvortrag: Controlled domain wall propagation in cylindrical nanowires — •Cristina Bran
	16:45		15 minutes break
	17:00	MA 8.5	Hauptvortrag: Magnetic hardening of nanowires by sandwiching with antiferromagets — •Ulf Wiedwald
	17:30	MA 8.6	Magnetization reversal and local switching fields of ferromagnetic microtubes with radial magnetization — •Norbert Puwenberg, Christopher Friedrich Reiche, Mishal Khan, Robert Streubel, Michael Melzer, Oliver Schmidt, Bernd Büchner, and Thomas Mühl
	17:45	MA 8.7	Hauptvortrag: Hybrid Magnetoelectric Nanowires for Nanorobotic Applications — •Salvador Pané
	18:15	MA 8.8	Magnetism and Transport in Hybrid Magnetic Nanowires — •Roman Hartmann, Sergej Andreev, and Torsten Pietsch