We have studied demagnetization processes in ferromagnetic InMnAs induced by femtosecond mid-infrared laser pulses. At high pump fluences, complete magnetization quenching was observed within a few picoseconds, implying an ultrafast ferro- to paramagnetic phase transition.
Ultrafast demagnetization in ferromagnetic InMnAs
2005 Quantum Electronics and Laser Science Conference ; 2 ; 733-735 Vol. 2
2005-01-01
1206058 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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