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@ARTICLE{Fognini:168203,
      author       = {Fognini, A. and Michlmayr, T. U. and Salvatella, G. and
                      Wetli, C. and Ramsperger, U. and Bähler, T. and Sorgenfrei,
                      F. and Beye, M. and Eschenlohr, A. and Pontius, N. and
                      Stamm, C. and Hieke, Florian and Dell'Angela, M. and Jong,
                      S. de and Kukreja, R. and Gerasimova, Natalia and Rybnikov,
                      V. and Al-Shemmary, A. and Redlin, H. and Raabe, J. and
                      Föhlisch, A. and Dürr, H. A. and Wurth, Wilfried and
                      Pescia, D. and Vaterlaus, A. and Acremann, Y.},
      title        = {{U}ltrafast reduction of the total magnetization in iron},
      journal      = {Applied physics letters},
      volume       = {104},
      number       = {3},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {DESY-2014-02412},
      pages        = {032402},
      year         = {2014},
      abstract     = {Surprisingly, if a ferromagnet is exposed to an ultrafast
                      laser pulse, its apparent magnetization isreduced within
                      less than a picosecond. Up to now, the total magnetization,
                      i.e., the average spinpolarization of the whole valence
                      band, was not detectable on a sub-picosecond time scale.
                      Here,we present experimental data, confirming the ultrafast
                      reduction of the total magnetization. Softx-ray pulses from
                      the free electron laser in Hamburg (FLASH) extract polarized
                      cascadephotoelectrons from an iron layer excited by a
                      femtosecond laser pulse. The spin polarization ofthe emitted
                      electrons is detected by a Mott spin polarimeter.},
      cin          = {FLA / FS-LA / FS-FL / FS-FLASH},
      ddc          = {530},
      cid          = {I:(DE-H253)FLA-20120731 / I:(DE-H253)FS-LA-20130416 /
                      I:(DE-H253)FS-FL-20120731 / I:(DE-H253)FS-FLASH-20140814},
      pnm          = {FLASH Beamline PG2 (POF2-54G16)},
      pid          = {G:(DE-H253)POF2-PG2-20130405},
      experiment   = {EXP:(DE-H253)F-PG2-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000330839700047},
      doi          = {10.1063/1.4862476},
      url          = {https://bib-pubdb1.desy.de/record/168203},
}