@article{CTT100737179,
  author = {Nakano Kiho and Oka Kengo and Watanuki Tetsu and Mizumaki Masaichiro and Machida  Akihiko and Agui Akane and Kim  Hyunjeong and Komiyama Jun and Mizokawa Takashi and Nishikubo Takumi and Masaki Azuma},
  title = {Glassy Distribution of Bi3+/Bi5+ in Bi1–x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer},
  journal = {Chemistry of Materials},
  year = 2016,
}

@article{CTT100702817,
  author = {K. Nabetani and Y. Muramatsu and K. Oka and Kiho Nakano and H. Hojo and M. Mizumaki and A. Agui and Y.  Higo and N. Hayashi and M. Takano and M. Azuma},
  title = {Suppression of temperature hysteresis in negative thermal expansion compound BiNi1− x Fe x O3 and zero-thermal expansion composite},
  journal = {APPLIED PHYSICS LETTERS},
  year = 2015,
}