The Cu L3 edge X-ray Absorption Spectra (XAS) and the X-ray Photoemission Spectra (XPS) of YBa2Cu3O6.5+x as function of oxygen content 0<×<0.5 have been measured. The weight of the 3d9L configuration characteristic of superconducting samples (i.e. of the charge carriers in the metallic and superconducting phase) increases with x following the change of Tc. The electronic structure of the divalent YBa2Cu3O6.5 (considered to be the electronic substrate for charge carriers induced by further oxidation) has been obtained.
Weight of 3d9 Ligand Hole Configuration As Function of Oxygen-content In Yba2cu3o6.5+x By Joint L3 Xas and Xps
DI CICCO, Andrea;
1988-01-01
Abstract
The Cu L3 edge X-ray Absorption Spectra (XAS) and the X-ray Photoemission Spectra (XPS) of YBa2Cu3O6.5+x as function of oxygen content 0<×<0.5 have been measured. The weight of the 3d9L configuration characteristic of superconducting samples (i.e. of the charge carriers in the metallic and superconducting phase) increases with x following the change of Tc. The electronic structure of the divalent YBa2Cu3O6.5 (considered to be the electronic substrate for charge carriers induced by further oxidation) has been obtained.File in questo prodotto:
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