New Electron-Doped Superconducting Cuprate Li_x_Sr_2_CuO_2_Br_2_
  A new electron-doped superconductor Li_x_Sr_2_CuO_2_Br_2_ with x = 0.15 has successfully been synthesized by an electrochemical Li-intercalation technique. The magnetic susceptibility shows superconductivity of bulk with the superconducting transition temperature Tc = 8 K. This compound is the first electron-doped superconducting cuprate with the K_2_NiF_4_ structure. 
Tetsuya Kajita, Masatsune Kato, Takashi Suzuki, Takashi Itoh, Takashi   Noji and Yoji Koike