Engineering Ultrafast Magnetism
- Radu, I.
- Stamm, C.
- Eschenlohr, A.
- Radu, F.
- Abrudan, R.
- Vahaplar, K.
- Kachel, T.
- Pontius, N.
- Mitzner, R.
- Holldack, K.
- Föhlisch, A.
- Evans, R.F.L.
- Ostler, T.A.
- Mentink, J.
- Chantrell, R.W.
- Tsukamoto, A.
- Itoh, A.
- Kirilyuk, A.
- Kimel, A.V.
- Rasing, T.H.M.
- Bigot, J.-Y.
Publication date
January 2015
DOI Publisher
Springer Science and Business Media LLCAbstract
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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