G. Yang et al., MONOCLINIC 2212-BSCCO SINGLE-CRYSTALS - PHASE EVOLUTION, SUPERCONDUCTIVITY AND DOPING STUDIES, Physica. C, Superconductivity, 282, 1997, pp. 1093-1094
An orthorhombic, superconducting to monoclinic, non-superconducting ph
ase transformation in Bi2Sr2CaCu2Oy is overviewed. Substitutional dopi
ng studies suggest that the transformation is dominated by oxygen diff
usion in the vicinity of the CuO2 rather than in the BiO layers.