%0 Journal Article %A Díaz-Guerra Viejo, Carlos %A Piqueras de Noriega, Javier %A García, J. A. %A Remon, A. %A Opagiste, C. %T Cathodoluminescence and photoluminescence studies of sintered BaCuO_2 %D 1997 %@ 0022-2313 %U https://hdl.handle.net/20.500.14352/59158 %X The capability of luminescence techniques to characterize BaCuO_2 and in particular to detect the presence of this compound as impurity phase in high-T-c superconductors (HTSC) has been investigated. Cathodoluminescence (CL) in the scanning electron microscope and photoluminescence (PL) have shown that the luminescence emission of BaCuO_2 can be separated from those of Y-, Bi- and Tl-based HTSC. The main luminescence bands and their decay times in BaCuO_2 are described. %~