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Journal Article

Electronic structure of Ag2O

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Tjeng, L. H., Meinders, M. B. J., Vanelp, J., Ghijsen, J., Sawatzky, G. A., & Johnson, R. L. (1990). Electronic structure of Ag2O. Physical Review B, 41(5), 3190-3199. doi:10.1103/PhysRevB.41.3190.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-1ED2-E
The electronic structure of Ag2O has been investigated by photoelectron, Auger-electron, and bremsstrahlung isochromat spectroscopy. The experimental results are compared with model one-particle band-structure and two-particle cluster calculations. We extract values for the on-site Ag 4d and O 2p energies, the Ag 4d–O 2p transfer integrals, as well as the on-site Coulomb Ag 4d-4d and O 2p-2p interactions. A comparison with Cu2O and CuO is made, and the differences are discussed in view of high-Tc superconductivity and the instability of AgO.