Ultrafast magnetization dynamics of Gd(0001): Bulk versus surface
@article{Sultan2011UltrafastMD,
title={Ultrafast magnetization dynamics of Gd(0001): Bulk versus surface},
author={M. Sultan and A. Melnikov and U. Bovensiepen},
journal={Physica Status Solidi B-basic Solid State Physics},
year={2011},
volume={248},
pages={2323-2329}
}Ultrafast laser-induced demagnetization of Gd(0001) has been investigated by magneto-induced optical second harmonic generation and the magneto-optical Kerr effect which facilitate a comparison of surface and bulk dynamics. We observe pronounced differences in the transient changes of the surface and bulk sensitive magneto-optical signals which we attribute to transfer of optically excited, spin-polarized carriers between surface and bulk states of the Gd(0001) film. A fluence dependent… CONTINUE READING
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