We use ultrafast terahertz transmission and emission spectroscopy to study ultrafast demagnetization in ferromagnetic iron. We show that demagnetization proceeds with a 1.7 ps/spl plusmn/0.3 ps lifetime in ferromagnetic films at room temperature.
Terahertz spectroscopy of ultrafast demagnetization in ferromagnetic iron
2005 Quantum Electronics and Laser Science Conference ; 1 ; 347-349 Vol. 1
01.01.2005
1217251 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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