摘要
The crystal structure and superconductivity of the compound Ba_(2)YCu_(3)O_(9-x) are orted in this paper.The compound has an orthorhombic distorted perovskite structure cell with a=3.892Å,b=3.824Åand c=11.64Å.The temperature at the middle point of superconducting transition is 93.6K.
