@article{CTT100711605,
  author = {Y. Fujimoto and S. Saito},
  title = {Formation, Stabilities, and electronic properties of nitrogen defects in graphene},
  journal = {Phys. Rev. B},
  year = 2011,
}

@article{CTT100711958,
  author = {Y. Fujimoto and S. Saito},
  title = {Energetics and electronic structures of pyridine-type defects in nitrogen-doped carbon nanotubes},
  journal = {Physica. E},
  year = 2011,
}

@article{CTT100821476,
  author = {Ono, T. and Tsukamoto, S. and Egami, Y. and Yoshitaka Fujimoto},
  title = {Real-space calculations for electron transport properties of nanostructures},
  journal = {Journal of Physics Condensed Matter},
  year = 2011,
}

@inproceedings{CTT100712315,
  author = {Y. Fujimoto and S. Saito},
  title = {Structure and stability of hydrogen atom adsorbed on nitrogen-doped carbon nanotubes},
  booktitle = {J. Phys: Conf. Ser.},
  year = 2011,
}

@inproceedings{CTT100821459,
  author = {Yoshitaka Fujimoto and Oshiyama, A.},
  title = {Formation and stability of 90 degree dislocation cores in Ge films on Si(001)},
  booktitle = {AIP Conference Proceedings},
  year = 2011,
}