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    Journal of Physical Chemistry C 122 (2018) 6629-6636.
  2. Diamond and Related Materials 87 (2018) 208-214.
  3. Oliver Supplie, O. Romanyuk, Christian Koppka, Matthias Steidl, Andreas Nägelein, Agnieszka Paszuk, Lars Winterfeld, Anja Dobrich, Peter Kleinschmidt, Erich Runge, Thomas Hannappel
    Progress in Crystal Growth and Characterization of Materials 64 (2018) 103-132.