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@PHDTHESIS{Miltnyi:59688,
      author       = {Miltényi, Peter},
      othercontributors = {Güntherodt, Gernot},
      title        = {{M}ikroskopischer {U}rsprung der {A}ustauschkopplung in
                      ferromagnetischen, antiferromagnetischen {S}chichten},
      address      = {Aachen},
      publisher    = {Publikationsserver der RWTH Aachen University},
      reportid     = {RWTH-CONV-121450},
      pages        = {149 S. : Ill., graph. Darst.},
      year         = {2000},
      note         = {Aachen, Techn. Hochsch., Diss., 2000},
      abstract     = {The exchange bias anisotropy i.e. the shift of a hysteresis
                      loop of a ferromagnet along the magnetic field axis occurs
                      due to the exchange coupling of the ferromagnet to an
                      antiferromagnet. Its microscopic origin is still under
                      discussion. Available experimental data and the theoretical
                      models for this effect are summarized. The experimentally
                      employed methods of Brillouin light scattering, molecular
                      beam epitaxy, and SQUID-magnetometry are presented. The
                      influence of non-magnetic defects in the antiferromagnet
                      ("Dilution of the antiferromagnet") on the exchange bias
                      field is investigated in the systems Co/Co1-yO and
                      Co/Co1-xMgxO. In both cases an increase of the exchange bias
                      field of up to a factor of 3 is found. Monte-Carlo
                      simulations from Dr. U. Nowak and Prof. Dr. K.D. Usadel
                      (Univ.-Duisburg) qualitatively confirm the experimental
                      results. These investigations result in a new model for
                      exchange bias that is consistent with many of the
                      experimental observations: Disorder in the antiferromagnet
                      enables the formation of antiferromagnetic domains, which
                      then cause a spin excess in the antiferromagnet at the
                      ferromagnetic/antiferromagnetic interface which causes
                      exchange bias. Furthermore, the differences in the exchange
                      bias field determined with Brillouin light scattering and
                      magnetometry, the dependence of the ferromagnetic magnon
                      mode width enhancement, and the role of the applied magnetic
                      field during cooling of the exchange bias system below the
                      Néel temperature is investigated.},
      cin          = {100000},
      ddc          = {530},
      cid          = {$I:(DE-82)100000_20140620$},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-opus-703},
      url          = {https://publications.rwth-aachen.de/record/59688},
}