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@ARTICLE{Sheverdyaeva:1009615,
      author       = {Sheverdyaeva, Polina M. and Hogan, Conor and Bihlmayer,
                      Gustav and Fujii, Jun and Vobornik, Ivana and Jugovac,
                      Matteo and Kundu, Asish K. and Gardonio, Sandra and Benher,
                      Zipporah Rini and Santo, Giovanni Di and Gonzalez, Sara and
                      Petaccia, Luca and Carbone, Carlo and Moras, Paolo},
      title        = {{G}iant and {T}unable {O}ut-of-{P}lane {S}pin
                      {P}olarization of {T}opological {A}ntimonene},
      journal      = {Nano letters},
      volume       = {23},
      number       = {14},
      issn         = {1530-6984},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2023-02920},
      pages        = {6277 - 6283},
      year         = {2023},
      abstract     = {Topological insulators are bulk insulators with metallic
                      and fully spin-polarized surface states displaying
                      Dirac-like band dispersion. Due to spin-momentum locking,
                      these topological surface states (TSSs) have a predominant
                      in-plane spin polarization in the bulk fundamental gap.
                      Here, we show by spin-resolved photoemission spectroscopy
                      that the TSS of a topological insulator interfaced with an
                      antimonene bilayer exhibits nearly full out-of-plane spin
                      polarization within the substrate gap. We connect this
                      phenomenon to a symmetry-protected band crossing of the
                      spin-polarized surface states. The nearly full out-of-plane
                      spin polarization of the TSS occurs along a continuous path
                      in the energy–momentum space, and the spin polarization
                      within the gap can be reversibly tuned from nearly full
                      out-of-plane to nearly full in-plane by electron doping.
                      These findings pave the way to advanced spintronics
                      applications that exploit the giant out-of-plane spin
                      polarization of TSSs.},
      cin          = {PGI-1 / IAS-1 / PGI-6},
      ddc          = {660},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406 /
                      I:(DE-Juel1)PGI-6-20110106},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37459226},
      UT           = {WOS:001030480300001},
      doi          = {10.1021/acs.nanolett.3c00153},
      url          = {https://juser.fz-juelich.de/record/1009615},
}