Femtosecond electron and spin dynamics in ferromagnetic Ni probed by UV and soft X-ray pulses

Experiments are reviewed which extend ultraviolet photoemission and soft X-ray absorption spectroscopy to the femtosecond (fs) time domain. We show for the case of ferromagnetic Ni that the evolution of electronic temperature, exchange coupling, spin and orbital angular momentum following fs optical...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2009-03, Vol.601 (1), p.132-138
Main Author: Dürr, H.A.
Format: Article
Language:English
Subjects:
Electron–phonon coupling
Femtosecond spectroscopy
Magnetization dynamics
Spin–lattice relaxation
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Summary:Experiments are reviewed which extend ultraviolet photoemission and soft X-ray absorption spectroscopy to the femtosecond (fs) time domain. We show for the case of ferromagnetic Ni that the evolution of electronic temperature, exchange coupling, spin and orbital angular momentum following fs optical laser excitation can be individually probed. This provides new insights into ultrafast processes which involve energy and angular momentum transfer between charge, spin and lattice degrees of freedom.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2008.12.118