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Sulphur-oxygen substitution in YBa2Cu3O6+xSy analyzed by means of X-ray emission spectroscopy

✍ Scribed by Yu.M. Yarmoshenko; V.A. Trofimova; L.V. Elokhina; E.Z. Kurmaev; S. Butorin; R. Cloots; M. Ausloos

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 437 KB
Volume: 211
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(93)90725-6

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✦ Synopsis

The analysis of substitution effects upon doping of YBa2Cu306+~Sy by sulphur is given on the basis of the investigation of S Kay.2 and S KI31 X-ray emission spectra. It is found that sulphur can enter the lattice of YBa2Cu307 and substitute oxygen atoms. With increasing sulphur concentration from y> 0.5 to 2.0 S atoms form isolated sulphate groups which do not have a long order but can be detected by X-ray emission spectroscopy.

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