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@ARTICLE{Wicklein:111873,
      author       = {Wicklein, S. and Sambri, A. and Amoruso, S. and Wang, X.
                      and Bruzzese, R. and Koehl, A. and Dittmann, R.},
      title        = {{P}ulsed laser ablation of complex oxides: {T}he role of
                      congruent ablation and preferential scattering for the film
                      stoichiometry},
      journal      = {Applied physics letters},
      volume       = {101},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-111873},
      pages        = {131601},
      year         = {2012},
      note         = {The research has received funding from European Union
                      Seventh Framework Programme (FP7/2007-2013) under Grant
                      Agreement No. 264098-MAMA and the Deutsche
                      Forschungsgemeinschaft (SFB 917). We thank C. Aruta and E.
                      Di Gennaro for their valuable help.},
      abstract     = {By combining structural and chemical thin film analysis
                      with detailed plume diagnostics and modeling of the laser
                      plume dynamics, we are able to elucidate the different
                      physical mechanisms determining the stoichiometry of the
                      complex oxides model material SrTiO3 during pulsed laser
                      deposition. Deviations between thin film and target
                      stoichiometry are basically a result of two effects, namely,
                      incongruent ablation and preferential scattering of lighter
                      ablated species during their motion towards the substrate in
                      the O-2 background gas. On the one hand, a progressive
                      preferential ablation of the Ti species with increasing
                      laser fluence leads to a regime of Ti-rich thin film growth
                      at larger fluences. On the other hand, in the low laser
                      fluence regime, a more effective scattering of the lighter
                      Ti plume species results in Sr rich films. (C) 2012 American
                      Institute of Physics. [http://dx.doi.org/10.1063/1.4754112]},
      keywords     = {J (WoSType)},
      cin          = {JARA-FIT / PGI-7},
      ddc          = {530},
      cid          = {$I:(DE-82)080009_20140620$ / I:(DE-Juel1)PGI-7-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien / MAMA
                      - Unlocking research potential for multifunctional advanced
                      materials and nanoscale phenomena (264098)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(EU-Grant)264098},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000309426800016},
      doi          = {10.1063/1.4754112},
      url          = {https://juser.fz-juelich.de/record/111873},
}