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@ARTICLE{Gupta:593252,
      author       = {Gupta, R. and Cosco, F. and Malik, Vivek Kumar and Chen, X.
                      and Saha, S. and GHOSH, ANAGHA and Pohlmann, Tobias and
                      Mardegan, J. R. L. and Francoual, Sonia and Stefanuik, R.
                      and Chau Soederstroem, Johan and Sanyal, B. and Karis, O.
                      and Svedlindh, Peter and Oppeneer, Peter and Knut, R.},
      title        = {{E}lement-resolved evidence of superdiffusive spin current
                      arising from ultrafast demagnetization process},
      journal      = {Physical review / B},
      volume       = {108},
      number       = {6},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {PUBDB-2023-05352},
      pages        = {064427},
      year         = {2023},
      abstract     = {Using element-specific measurements of the ultrafast
                      demagnetization of Ru/Fe$_{65}$Co$_{35}$ hetero-structures,
                      we show that Ru can exhibit a significant magnetic contrast
                      (3\% asymmetry) resulting from ultrafast spin currents
                      emanating from the demagnetization process of the FeCo
                      layer. We use this magnetic contrast to investigate how
                      superdiffusive spin currents are affected by the doping of
                      heavy elements in the FeCo layer. We find that the spin
                      currents are strongly suppressed, and that the recovery
                      process in Ru slows down by Re doping. This is in accordance
                      with a change in interface reflectivity of spin currents as
                      found by the superdiffusive spin transport model.},
      cin          = {DOOR ; HAS-User / FS-PETRA-S},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PETRA-S-20210408},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      FS-Proposal: I-20200894 EC (I-20200894-EC) / s-NEBULA -
                      Novel Spin-Based Building Blocks for Advanced TeraHertz
                      Applications (863155) / SWEDEN-DESY - SWEDEN-DESY
                      Collaboration $(2020_Join2-SWEDEN-DESY)$},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(DE-H253)I-20200894-EC / G:(EU-Grant)863155 /
                      $G:(DE-HGF)2020_Join2-SWEDEN-DESY$},
      experiment   = {EXP:(DE-H253)P-P09-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/PhysRevB.108.064427},
      url          = {https://bib-pubdb1.desy.de/record/593252},
}