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- Michael Zimmermann, T. N. G. Meier, +10 authors Christian H Back
- Nano letters
- 2018
We present a detailed study on the static magnetic properties of individual permalloy nanotubes (NTs) with hexagonal cross-sections. Anisotropic magnetoresistance (AMR) measurements and scanning… (More)
Field-driven domain wall (DW) propagation in ferromagnetic nanotubes displays unusual effects, as revealed by a micromagnetic study. The left-right symmetry of the DW dynamics is broken, yielding… (More)
We report on the Cherenkov-type excitation of spin waves (SWs) in ferromagnets. Our micromagnetic simulations show that a localized magnetic field pulse moving sufficiently fast along the surface of… (More)
- Attila Kákay
- 2005
- Kai Wagner, Attila Kákay, Kiel S Schultheiss, Andreas Henschke, Tommy Sebastian, Helmut Schultheiss
- Nature nanotechnology
- 2016
In the research field of magnonics, it is envisaged that spin waves will be used as information carriers, promoting operation based on their wave properties. However, the field still faces major… (More)
- Ming Yan, Attila Kákay, Sebastian Gliga, Riccardo Hertel
- Physical review letters
- 2010
We present a micromagnetic study on the current-induced domain-wall motion in cylindrical Permalloy nanowires with diameters below 50 nm. The transverse domain walls forming in such thin, round wires… (More)
- Sebastian Gliga, Attila Kákay, Riccardo Hertel, Olle G Heinonen
- Physical review letters
- 2013
Arrays of suitably patterned and arranged magnetic elements may display artificial spin-ice structures with topological defects in the magnetization, such as Dirac monopoles and Dirac strings. It is… (More)
The Bloch to Neel wall transition is investigated in Permalloy films between 160 and 10 nm thickness using direct integration of the Landau–Lifshitz–Gilbert equation in a three-dimensional Cartesian… (More)
We report on the experimental and analytical work on spin-transfer torque induced vortex dynamics in metallic nanopillars with in-plane magnetized layers. We study nanopillars with a diameter of… (More)
- Jorge Alexander Rodríguez Otálora, Ming Yan, Helmut Schultheiss, Riccardo Hertel, Attila Kákay
- Physical review letters
- 2016
In magnonics, spin waves are conceived of as electron-charge-free information carriers. Their wave behavior has established them as the key elements to achieve low power consumption, fast operative… (More)