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- German Research Centre for Artificial IntelligenceDE125 papers
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- Fraunhofer Institute for Industrial MathematicsDE89 papers
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8 papers · 2 filters
Heat-induced damping modification in YIG/Pt hetero-structures
M. B. Jungfleisch, T. An, K. Ando +7
We experimentally demonstrate the manipulation of magnetization relaxation utilizing a temperature difference across the thickness of an yttrium iron garnet/platinum (YIG/Pt) heter…
Spin-wave propagation and transformation in a thermal gradient
Björn Obry, Vitaliy I. Vasyuchka, Andrii V. Chumak +2
The influence of a thermal gradient on the propagation properties of externally excited dipolar spin waves in a magnetic insulator waveguide is investigated. It is shown that spin…
Microscopic magnetic structuring of a spin-wave waveguide by ion implantation in a Ni(81)Fe(19) layer
Björn Obry, Thomas Meyer, Philipp Pirro +6
We investigate the spin-wave excitation in microscopic waveguides fabricated by localized Cr+ ion implantation in a ferromagnetic Ni(81)Fe(19) film. We demonstrate that spin-wave w…
Semi-classical approximation for the second harmonic generation in nanoparticles
Y. Pavlyukh, J. Berakdar, W. Hübner
Second harmonic generation by spherical nanoparticles is a non-local optical process that can also be viewed as the result of the non-linear response of the thin interface layer. T…
Nonlinear emission of spin-wave caustics from an edge mode of a micro-structured Co2Mn0.6Fe0.4Si waveguide
T. Sebastian, P. Pirro, T. Kubota +6
Magnetic Heusler materials with very low Gilbert damping are expected to show novel magnonic transport phenomena. We report nonlinear generation of higher harmonics leading to the…
Negative differential magneto-resistance in ferromagnetic wires with domain walls
Nicholas Sedlmayr, Jamal Berakdar
A domain wall in a ferromagnetic one-dimensional nanowire experiences current induced motion due to its coupling with the conduction electrons. When the current is not sufficient t…