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8 papers
Classification of Spot-welded Joints in Laser Thermography Data using Convolutional Neural Networks
Linh Kästner, Samim Ahmadi, Florian Jonietz +4
Spot welding is a crucial process step in various industries. However, classification of spot welding quality is still a tedious process due to the complexity and sensitivity of th…
Evolution of magneto-crystalline anisotropies in MnFeSi and MnCoSi as inferred from small-angle neutron scattering and bulk properties
J. Kindervater, T. Adams, A. Bauer +12
We report a comprehensive small-angle neutron scattering~(SANS) study of MnFeSi at zero magnetic field. To delineate changes of magneto-crystalline anisotropies (MCAs…
Optical floating zone growth of high-quality Cu2MnAl single crystals
Andreas Neubauer, Florian Jonietz, Martin Meven +5
We report the growth of large single-crystals of Cu2MnAl, a ferromagnetic Heusler compound suitable for polarizing neutron monochromators, by means of optical floating zone under u…
Rotating skyrmion lattices by spin torques and field or temperature gradients
Karin Everschor, Markus Garst, Benedikt Binz +4
Chiral magnets like MnSi form lattices of skyrmions, i.e. magnetic whirls, which react sensitively to small electric currents j above a critical current density jc. The interplay o…
Long-range crystalline nature of the skyrmion lattice in MnSi
T. Adams, S. Mühlbauer, C. Pfleiderer +9
We report small angle neutron scattering of the skyrmion lattice in MnSi using an experimental set-up that minimizes the effects of demagnetizing fields and double scattering. Unde…
Spin Transfer Torques in MnSi at Ultra-low Current Densities
F. Jonietz, S. Mühlbauer, C. Pfleiderer +10
Spin manipulation using electric currents is one of the most promising directions in the field of spintronics. We used neutron scattering to observe the influence of an electric cu…
Skyrmion Lattice in a Doped Semiconductor
W. Münzer, A. Neubauer, S. Mühlbauer +9
We report a comprehensive small angle neutron scattering study (SANS) of the magnetic phase diagram of the doped semiconductor Fe_{1-x}Co_{x}Si for x=0.2 and 0.25. For magnetic fie…
Skyrmion Lattice in a Chiral Magnet
S. Mühlbauer, B. Binz, F. Jonietz +5
Skyrmions represent topologically stable field configurations with particle-like properties. We used neutron scattering to observe the spontaneous formation of a two-dimensional la…