@misc{maciej2020a,
  title = {Midgap radiative centers in carbon-enriched hexagonal boron nitride},
  author = {Maciej Koperski, Diana Vaclavkova, Kenji Watanabe, Takashi Taniguchi, Kostya S. Novoselov, Marek Potemski},
  publisher = {Proceedings of the National Academy of Sciences},
  year = {2020-06-16},
  keywords = {Defect centers, hexagonal boron nitride, single-photon sources}
}