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Tunable excitation ...
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Butorin, S.MMittuniversitetet
(author)
Tunable excitation x-ray-fluorescence spectroscopy in phase-analysis of high-Tc superconductors
- Article/chapterEnglish1994
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Numbers
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LIBRIS-ID:oai:DiVA.org:miun-1567
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https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-1567URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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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.
Subject headings and genre
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ELECTRONIC-STRUCTURE
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GRAIN-BOUNDARY
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YBA2CU3O7-DELTA
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EDGE
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NATURAL SCIENCES
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NATURVETENSKAP
Added entries (persons, corporate bodies, meetings, titles ...)
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Guo, J.H.
(author)
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Wassdahl, N
(author)
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Bray, G
(author)
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Glans, Peter
(author)
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Wiell, T
(author)
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Duda, L.C.
(author)
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Nordgren, J
(author)
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Lundström, T
(author)
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Klauda, M
(author)
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Markl, J
(author)
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Fink, C
(author)
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Saemannischenko, G
(author)
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Mittuniversitetet
(creator_code:org_t)
Related titles
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In:Journal of physics-condensed matter6:43, s. 9267-92740953-8984
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Butorin, S.M
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Guo, J.H.
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Wassdahl, N
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Bray, G
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Glans, Peter
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Wiell, T
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Duda, L.C.
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Nordgren, J
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Lundström, T
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Klauda, M
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Markl, J
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Fink, C
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Saemannischenko, ...
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Journal of physi ...
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Mid Sweden University