The effects of partial substitution of Sr and Ca in YBaCuO related materials containing sulphate and phosphate groups have been investigated. 57Fe Mössbauer measurements were performed on samples doped with lat.% 57Fe and the spectral components related to different Cu sites and oxygen vacancies. © 1994.
Dominguez, A. B., Scorzelli, R. B., Baggio-Saitovitch, E., Giordanengo, B., & Elmassalami, M. (1994). Superconducting oxides containing sulphate and phosphate groups. Physica C: Superconductivity and its Applications, 803-804. https://doi.org/10.1016/0921-4534(94)91626-8