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@ARTICLE{Heisterkamp:807764,
      author       = {Heisterkamp, F. and Greilich, A. and Zhukov, E. A. and
                      Kirstein, E. and Kazimierczuk, T. and Korenev, V. L. and
                      Yugova, I. A. and Yakovlev, D. R. and Pawlis, A. and Bayer,
                      M.},
      title        = {{I}nhomogeneous nuclear spin polarization induced by
                      helicity-modulated optical excitation of fluorine-bound
                      electron spins in {Z}n{S}e},
      journal      = {Physical review / B},
      volume       = {92},
      number       = {24},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-02182},
      pages        = {245441},
      year         = {2015},
      abstract     = {Optically induced nuclear spin polarization in a
                      fluorine-doped ZnSe epilayer is studied by time-resolved
                      Kerr rotation using resonant excitation of donor-bound
                      excitons. Excitation with helicity-modulated laser pulses
                      results in a transverse nuclear spin polarization, which is
                      detected as a change of the Larmor precession frequency of
                      the donor-bound electron spins. The frequency shift in
                      dependence on the transverse magnetic field exhibits a
                      pronounced dispersion-like shape with resonances at the
                      fields of nuclear magnetic resonance of the constituent zinc
                      and selenium isotopes. It is studied as a function of
                      external parameters, particularly of constant and radio
                      frequency external magnetic fields. The width of the
                      resonance and its shape indicate a strong spatial
                      inhomogeneity of the nuclear spin polarization in the
                      vicinity of a fluorine donor. A mechanism of optically
                      induced nuclear spin polarization is suggested based on the
                      concept of resonant nuclear spin cooling driven by the
                      inhomogeneous Knight field of the donor-bound electron.},
      cin          = {PGI-9},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000367378900017},
      doi          = {10.1103/PhysRevB.92.245441},
      url          = {https://juser.fz-juelich.de/record/807764},
}