Ultrafast magnetization dynamics of Gd(0001): Bulk versus surface

  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},
  • M. Sultan, A. Melnikov, U. Bovensiepen
  • Published 2011
  • Physics
  • Physica Status Solidi B-basic Solid State Physics
  • 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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