Search Results - "Usadel, KD"

Asymmetric reversal modes in ferromagnetic/antiferromagnetic multilayers by Beckmann, B, Nowak, U, Usadel, K D

“…Experimentally an asymmetry of the reversal modes has been found in certain exchange bias systems. From a numerical investigation of the domain state model…”
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Diluted antiferromagnets in exchange bias: proof of the domain state model by Miltenyi, P, Gierlings, M, Keller, J, Beschoten, B, Guntherodt, G, Nowak, U, Usadel, KD

“…The exchange bias coupling at ferromagnetic/antiferromagnetic interfaces in epitaxially grown Co/CoO layers can intentionally be increased by a factor of up to…”
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Coercivity and exchange bias of ferromagnetic/antiferromagnetic multilayers by SCHOLTEN, G, USADEL, K. D, NOWAK, U

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Modeling exchange bias microscopically by Nowak, U., Misra, A., Usadel, K.D.

“…Exchange bias is a horizontal shift of the hysteresis loop observed for a ferromagnetic layer in contact with an antiferromagnetic layer. Since exchange bias…”
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Temperature-dependent dynamical behavior of nanoparticles as probed by ferromagnetic resonance using Landau-Lifshitz-Gilbert dynamics in a classical spin model by Usadel, K. D.

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Dynamic consequences of exchange enhanced anisotropy in ferromagnet/antiferromagnet bilayers by Stamps, R. L, Usadel, K. D

“…The phenomenon of exchange anisotropy is well known in terms of static magnetization properties such as enhanced coercivity and magnetization loop shifts…”
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Domain wall mobility in nanowires: Transverse versus vortex walls by Wieser, R., Nowak, U., Usadel, K. D.

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Magnetization reversal process in thin Co nanowires by Hausmanns, B., Krome, T.P., Dumpich, G., Wassermann, E.F., Hinzke, D., Nowak, U., Usadel, K.D.

“…The magnetoresistance of single Co nanowires of various widths is investigated at low temperatures applying magnetic fields μ 0 H up to 4.5 T. The in-plane…”
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Short‐range ±J interaction Ising spin glass in a transverse field on a Bethe lattice: a quantum‐spherical approach by Kopeć, T. K., Usadel, K. D.

“…We consider the short‐range interaction disordered quantum Ising model with symmetric binary ±J bond distribution on the Bethe lattice (with coordination…”
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Monte-Carlo study of the reorientation transition in Heisenberg models with dipole interactions by Hucht, A., Moschel, A., Usadel, K.D.

“…We simulated the classical two-dimensional anisotropic Heisenberg model with full long range dipole interaction with an algorithm especially designed for long…”
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Modified scaling relation for the random-field Ising model by Nowak, U., Usadel, K.D., Esser, J.

“…We investigate the low-temperature critical behavior of the three-dimensional random-field Ising ferromagnet. By a scaling analysis we find that in the limit…”
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Domain wall motion in nanowires by Wieser, R., Nowak, U., Usadel, K.D.

“…We investigated the motion of domain walls in ferromagnetic cylindrical nanowires by solving the Landau-Lifshitz-Gilbert equation numerically for a classical…”
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Characterization of the reorientation transition in classical Heisenberg models with dipole interaction by Hucht, A., Usadel, K.D.

“…In this paper the thermodynamics of thin ferromagnetic films are studied in the framework of the classical Heisenberg model with uniaxial anisotropy and…”
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Quantum Spin Glass on the Bethe Lattice by Kopeć, T. K., Usadel, K. D.

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Theory of the spin reorientation transition of ultra thin ferromagnetic films by Hucht, A, Usadel, K.D

“…The reorientation transition of the magnetization of ferromagnetic films is studied on a microscopic basis within Heisenberg spin models. Analytic expressions…”
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Thermally activated interface motion in a disordered ferromagnet by Roters, L., Lübeck, S., Usadel, K.D.

“…We investigate interface motion in disordered ferromagnets by means of Monte Carlo simulations. For small temperatures and driving fields a so-called creep…”
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Dynamics of domains in diluted antiferromagnets by Nowak, U., Esser, J., Usadel, K.D.

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Depinning transition of a driven interface in the random-field Ising model around the upper critical dimension by Roters, L, Lübeck, S, Usadel, K D

“…We investigate the depinning transition for driven interfaces in the random-field Ising model for various dimensions. We consider the order parameter as a…”
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On the spin reorientation transition in ultra-thin Ni/Cu(0 0 1) films by Hucht, A., Usadel, K.D.

“…The spin reorientation transition of the magnetization of ferromagnetic films is studied on a microscopic basis within a Heisenberg spin model. Using a…”
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On the automaton representation of the Edwards–Wilkinson model with quenched disorder by Jost, M., Usadel, K.D.

“…We reinvestigate the automaton version of an Edwards–Wilkinson-type model with quenched disorder introduced recently by Leschhorn [Leschhorn, Physica A 195…”
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