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@ARTICLE{Gunkel:875405,
      author       = {Gunkel, F. and Christensen, D. V. and Chen, Y. Z. and
                      Pryds, N.},
      title        = {{O}xygen vacancies: {T}he (in)visible friend of oxide
                      electronics},
      journal      = {Applied physics letters},
      volume       = {116},
      number       = {12},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2020-02014},
      pages        = {120505 -},
      year         = {2020},
      abstract     = {Oxygen vacancies play crucial roles in determining the
                      physical properties of metal oxides, representing important
                      building blocks in many scientific and technological fields
                      due to their unique chemical, physical, and electronic
                      properties. However, oxygen vacancies are often invisible
                      because of their dilute concentrations. Therefore,
                      characterizing and quantifying their presence is of utmost
                      importance for understanding and realizing functional metal
                      oxide devices. This, however, is oftentimes a non-trivial
                      task. In this Perspective paper, we discuss the relevant
                      regimes of concentrations and associated phenomena arising
                      from oxygen vacancies. We then focus on experimental
                      techniques available for observing oxygen vacancies at
                      widely different levels of concentrations. Finally, we
                      discuss current challenges and opportunities for utilizing
                      oxygen vacancies in metal oxides.},
      cin          = {PGI-7 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-7-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000522431800001},
      doi          = {10.1063/1.5143309},
      url          = {https://juser.fz-juelich.de/record/875405},
}