Characterization of silver-rich ternary oxides with photoelectron spectroscopy

Heidebrecht, K; Jansen, Martin; Krause, Siegfried; Bradshaw, Alexander M.

doi:10.1016/0022-4596(90)90293-7

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Characterization of silver-rich ternary oxides with photoelectron spectroscopy

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Krause, Siegfried
Fritz Haber Institute, Max Planck Society;

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Bradshaw, Alexander M.
Fritz Haber Institute, Max Planck Society;

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Heidebrecht, K., Jansen, M., Krause, S., & Bradshaw, A. M. (1990). Characterization of silver-rich ternary oxides with photoelectron spectroscopy. Journal of Solid State Chemistry, 89(1), 60-66. doi:10.1016/0022-4596(90)90293-7.

Cite as: https://hdl.handle.net/21.11116/0000-0006-F664-4

Abstract

The silver-rich ternary oxides Ag₆Si₂O₇, Ag₁₀Si₄O₁₃, Ag₆Ge₂O₇, and Ag₁₀Ge₄O₁₃, as well as Ag₂SO₄, have been investigated with photoelectron spectroscopy. The Ag 3d core level binding energies in all four ternary oxides were found to be identical with that of Ag metal, compared to the small negative chemical shift observed in AgSO₄ and most other silver compounds. The MgKα and HeI valence band spectra are both dominated by Ag 4d emission; at the lower photon energy O 2p-derived states are also observed. There is some evidence for a direct Ag 4d-O 2p interaction.