@article{CTT100769659,
  author = {Seiji Nakashima and Osami Sakata and Hiroshi Funakubo and Takao Shimizu and Daichi Ichinose and Kota Takayama and Yasuhiko Imai and Hironori Fujisawa and Masaru Shimizu},
  title = {Electric-field-induced lattice distortion in epitaxial BiFeO3 thin films as determined by in situ time-resolved x-ray diffraction},
  journal = {Appl. Phys. Lett.},
  year = 2017,
}

@article{CTT100649056,
  author = {Seiji Nakashima and Hironori Fujisawa and M. Shimizu and OSAMI SAKATA and Tomoaki Yamada and HIROSHI FUNAKUBO and Jung Min  Park and Takeshi Kanashima and Masanori Okuyama},
  title = {X-ray Diffraction Study of Electric-field-induced Strains in Polycrystalline BiFeO3 Thin Films at Low Temperatures by Using Synchrotron Radiation},
  journal = {J. Korean Phys. Soc.},
  year = 2011,
}