@article{CTT100760096,
  author = {K. Takenaka and T. Shinoda and N. Inoue and Y. Okamoto and N. Katayama and Yuki Sakai and T. Nishikubo and M. Azuma},
  title = {Giant negative thermal expansion in Fe-doped layered ruthenate ceramics},
  journal = {Applied physics express},
  year = 2017,
}