@article{CTT100680970,
  author = {Kosuke Matsuzaki and Tetsushi Okazaki and Yih Shu Lee and Hideo Hosono and Tomofumi Susaki},
  title = {Controlled bipolar doping in Cu3N (100) thin films},
  journal = {Appl. Phys. Lett.},
  year = 2014,
}

@inproceedings{CTT100700485,
  author = {Kosuke Matsuzaki and Tetsushi Okazaki and Yih-Shu Lee and Daniel Gilks and Barat Kurbanjan and Leonardo Lari and Vlado K. Lazarov and Hideo Hosono and Tomofumi Susaki},
  title = {Controlled bipolar doping in Cu3N (100) films grown by plasma assisted molecular beam epitaxy},
  booktitle = {},
  year = 2015,
}