Engineering Ultrafast Magnetism
SPRINGER PROCEEDINGS IN PHYSICS(2015)
Abstract
We employ time-resolved X-ray magnetic circular dichroism with fs time resolution to investigate the ultrafast, laser-driven dynamics of multi-sublattice materials, with both ferromagnetic and antiferromagnetic coupling. These measurements provide evidence for a demagnetization time that scales with the elemental magnetic moment and varies with the exchange interaction symmetry.
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Key words
Antiferromagnetic Coupling, Magnetic Sublattices, Elementary Building Block, Ferrimagnetic Material, Germany 3Institute
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