Detail publikace
Testing spin-flip scattering as a possible mechanism of ultrafast demagnetization in ordered magnetic alloys
Günther, S. Spezzani, C. Ciprian, R. Grazioli, C. Ressel, B. Coreno, M. Poletto, L. Miotti, P. Sacchi, M. Panaccione, G. Uhlíř, V. Fullerton, E. De Ninno, G. Back, C.
Anglický název
Testing spin-flip scattering as a possible mechanism of ultrafast demagnetization in ordered magnetic alloys
Typ
Článek WoS
Jazyk
en
Originální abstrakt
We use element-resolved IR-pump/extreme ultraviolet-probe experiments to disentangle the ultrafast interplay of the magnetic sublattices of an ordered crystalline magnetic alloy. As a paradigmatic example, we investigate the case of the FeRh alloy, which shows a delayed response for the different components. Furthermore, a detailed time-resolved magneto-optic study shows that the data can be analyzed by only assuming Elliot-Yafet-like scattering, as the underlying mechanism for ultrafast demagnetization, resulting in an unexpected nonmonotonic dependence of the spin-flip rate, as a function of quenching.
Klíčová slova anglicky
ultrafast demagnetization; pump-probe; spin-flip scattering
Vydáno
2014-11-21
ISSN
1098-0121
Časopis
PHYSICAL REVIEW B
Ročník
90
Číslo
18
Strany od–do
180407-1–180407-5
Počet stran
5