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Your search keyword '"Duda, L.C."' showing total 3 results
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3 results on '"Duda, L.C."'

1. Resonant X-ray Raman spectra of Cu dd excitations in Sr2CUO2Cl2

Author

Kuiper, P., Guo, J.H., Sathe, C., Duda, L.C., Nordgren, J., Pothuizen, J.J M, de Groot, F.M.F., Sawatzky, G.A, and Faculty of Science and Engineering

Subjects
FLUORESCENCE SPECTROSCOPY, OPTICAL-ABSORPTION, EMISSION SPECTRA, LAMELLAR COPPER OXIDES, LA2CUO4
Published
1998

2. Tunable excitation x-ray-fluorescence spectroscopy in phase-analysis of high-Tc superconductors

Author

Butorin, S.M, Guo, J.H., Wassdahl, N, Bray, G, Glans, Peter, Wiell, T, Duda, L.C., Nordgren, J, Lundström, T, Klauda, M, Markl, J, Fink, C, Saemannischenko, G, Butorin, S.M, Guo, J.H., Wassdahl, N, Bray, G, Glans, Peter, Wiell, T, Duda, L.C., Nordgren, J, Lundström, T, Klauda, M, Markl, J, Fink, C, and Saemannischenko, G

Abstract

O Kalpha x-ray fluorescence of YBa2Cu3O7-delta and Sr0.85Nd0.15CuO2 samples containing CO3(2-) impurities, as well as pure BaCO3, have been studied using tunable monochromatic synchrotron radiation excitation. When the excitation energy is set to the most intense features in the O 1s absorption edge of cuprates and to bound states above this edge the O Kalpha spectra recorded are very similar to those of pure BaCO3 even if the admixture of CO3(2-) is small. The observed changes in the O Kalpha profiles of multi-phase YBa2Cu3O7-delta and Sr0.85Nd0.15CuO2 samples are discussed in terms of different x-ray absorption cross sections for O in the main phase and in the CO3(2-) fraction.

Published
1994

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