X-ray absorption study of the O 2p hole concentration dependence on O stoichiometry in YBa2 Cu3 Ox

Pieter Kuiper, Geert Kruizinga, Jacques Ghijsen, Marco Grioni, P.J.W. Weijs, F.M.F. De Groot, George A. Sawatzky, H. Verweij, L.F. Feiner, Harald Petersen

Research output: Contribution to journalArticlepeer-review

Abstract

A detailed x-ray absorption study of the oxygen K edge of YBa2Cu3Ox is presented. A preedge peak is observed for all samples with x≥6.4 which we argue to be due to holes in the O 2p band. By comparison to LixNi1−xO the x dependence of the number O 2p holes in YBa2Cu3Ox is determined.
Original languageEnglish
Pages (from-to)6483-6489
Number of pages7
JournalPhysical review. B, Condensed matter
Volume38
DOIs
Publication statusPublished - 1988
Externally publishedYes

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