@article{CTT100584409,
  author = {Enzhu Li and Ryo Suzuki and Takuya Hoshina and Hiroaki Takeda and Takaaki Tsurumi},
  title = {Dielectric, piezoelectric, and electromechanical phenomena in (K0.5Na0.5)NbO3–LiNbO3–BiFeO3–SrTiO3 ceramics},
  journal = {Appl. Phys. Lett.},
  year = 2009,
}

@article{CTT100570840,
  author = {Suzuki Ryo and Shingo Uraki and Enzhu LI and Takuya Hoshina and Takaaki Tsurumi},
  title = {Influence of Bi-perovskites on the piezoelectric properties of (K0.5Na0.5)NbO3-based lead free ceramics},
  journal = {Journal of the Ceramic Society of Japan},
  year = 2008,
}

@article{CTT100582727,
  author = {Ryo Sasaki and Ryo Suzuki and Shingo Uraki and Hirofumi Kakemoto and Takaaki Tsurumi},
  title = {Low-temperature sintering of alkaline niobate based piezoelectric ceramics using sintering aids},
  journal = {J. Ceram. Soc. Jpn.},
  year = 2008,
}

@inproceedings{CTT100582817,
  author = {Takaaki Tsurumi and Enzhu Li and Ryo Suzuki and Singo Uraki and Takuya Hoshina},
  title = {Shear Mode Ultrasonic Motor and Ink-jet Head Using Lead-Free Alkaline Niobate Ceramics},
  booktitle = {},
  year = 2008,
}

@inproceedings{CTT100582823,
  author = {高橋星太 and 鈴木良 and 保科拓也 and 掛本博文 and 鶴見敬章},
  title = {(Li,K,Na)NbO3系非鉛圧電セラミックスの作製と圧電定数d15の測定},
  booktitle = {},
  year = 2008,
}

@inproceedings{CTT100582816,
  author = {Takaaki Tsurumi and Enzhu Li and Ryo Suzuki and Takuya Hoshina},
  title = {Ultrasonic Motors and Ink-jet Heads Using Shear Mode of Lead-free Piezoelectric Ceramics},
  booktitle = {},
  year = 2008,
}