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View article: Ultrafast Enhancement of Ferromagnetism via Photoexcited Holes inGaMnAs
Ultrafast Enhancement of Ferromagnetism via Photoexcited Holes inGaMnAs Open
We report on the observation of ultrafast photo-enhanced ferromagnetism in GaMnAs. It is manifested as a transient magnetization increase on a 100-ps time scale, after an initial sub-ps demagnetization. The dynamic magnetization enhancemen…