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 language | English |
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Pages (from-to) | 6483-6489 |
Number of pages | 7 |
Journal | Physical review. B, Condensed matter |
Volume | 38 |
DOIs | |
Publication status | Published - 1988 |
Externally published | Yes |