Cathodoluminescence and photoluminescence studies of sintered BaCuO_2
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1997
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Elsevier Science BV
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Abstract
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.
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© 1997 Elsevier Science B.V.
This work has been supported by DGICYT (Project PB93-1256) and by CICYT (Project MAT95-1184-E). C.D.G. acknowledges MEC for an FPI research grant.