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@INPROCEEDINGS{Guasco:1035314,
      author       = {Guasco, Laura and Pütter, Sabine and Saerbeck, Thomas and
                      Keller, Thomas and Khaydukov, Yury},
      title        = {{R}equirements for hydrogen absorption experiments with
                      {RNR} in {P}d/{C}o/{P}d},
      reportid     = {FZJ-2025-00372},
      year         = {2024},
      abstract     = {Pt/Co/Pt and Pd/Co/Pd heterostructures with perpendicular
                      magnetic anisotropy (PMA) are traditionally used for
                      magnetic recording. PMA can be tuned by e.g. thin film
                      thickness, strain, ion bombardment or temperature. Recently,
                      it has been shown that the absorption of hydrogen in the
                      heavy metal modifies the interfacial spin- orbit coupling
                      and hence reduces the PMA.[1-3] As a result, reversible and
                      non-destructive toggling of the easy axis of magnetization
                      between in-plane and out-of-plane orientation at room
                      temperature was demonstrated in a Co/GdOx all-solid-state
                      device for magnetic hydrogen sensing.[4]Resonance enhanced
                      polarized neutron reflectometry (RNR) is an effective tool
                      for studying the hydrogen uptake quantitatively and with
                      time resolution of less than seconds and the hydrogen impact
                      on the magnetic properties in PMA systems.[5]In this
                      contribution we report on results of RNR experiments on
                      hydrogen uptake in Pt/Co/Pt trilayers sand- wiched by 25 nm
                      Nb layers on MgO(001) substrates fabricated by molecular
                      beam epitaxy measured at D17 at ILL and the requirements to
                      measure the switching of the easy axis on hydrogen uptake in
                      the trilayer systems Pt/Co/Pt and Pd/Co/Pd.[1] S. M.
                      Valvidares, et al., Phys. Rev. B 81, 024415 (2010)[2] K.
                      Munbodh, et al., Phys. Rev. B 83 094432 (2011)[3] G. Causer
                      et al., ACS Appl. Mater. Interfaces 38 35420 (2019) [4] J.
                      Tan et al. Nature Materials 18 35 (2019)[5] L. Guasco et
                      al., Nature Comm. 13 1486 (2022)},
      month         = {Dec},
      date          = {2024-12-05},
      organization  = {MLZ User Meeting, München (Fed Rep
                       Germany), 5 Dec 2024 - 6 Dec 2024},
      subtyp        = {After Call},
      cin          = {JCNS-4 / JCNS-FRM-II / MLZ},
      cid          = {I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-MLZ)MBE-MLZ-20151210},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1035314},
}