Citation: Sullivan, J D; Bordet, P; Marezio, M; Takenaka, K; Uchida, S (1993). Electron-density Fourier maps of an untwinned YBa~2~Cu~3~O~6.877~ single crystal by x-ray-diffraction data. Physical Review, Serie 3. B - Condensed Matter (18,1978-), 48, pp. 10638-10641.
Formula: Ba2 Cu3 O6.877 Y
Chemical name:Yttrium barium copper oxide (1/2/3/6.9)