We have studied the response of the exchange split valence bands of ferromagnetic gadolinium tofemtosecond laser excitation. We observe a drop of the exchange splitting with a time constant of 0.9 ps but different response times of minority and majority spin bands. Furthermore, even above the Curie temperature there is a finite exchange splitting, which also decreases with laser excitation.
CITATION STYLE
Frietsch, B., Bowlan, J., Carley, R., Teichmann, M., Wolter, J., & Weinelt, M. (2015). The valence band structure of gadolinium studied with time-resolved photoemission. In Springer Proceedings in Physics (Vol. 159, pp. 274–277). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-07743-7_85
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