Mahesh, R; Nagarajan, R; Rao, C N R
(Pergamon-Elsevier Science Ltd, 1994-05)
Incorporation of BO3-3 ion stabilizes YSr2Cu3O7, but the borate derivative is non superconducting. Superconductivity is not obtained by the partial substitution of Y by Ca in YSr2Cu3-x(BO3)xOz. Superconductivity has however ...