A STUDY OF THE SPINEL MATERIALS LITI2O4 AND LI4/3TI5/3O4 BY PHOTOELECTRON-SPECTROSCOPY

Journal article

HeI-excited valence-band ultraviolet photoelectron spectra and MgKα-excited Ti-2p X-ray photoelectron spectra are reported for the spinel materials LiTi2O4 and Li 4 3Ti 5 3O4. The presence of a Fermi edge in the ultraviolet photoelectron spectrum of LiTi2O4 confirms the metallic nature of this material, although the measured density of states at the Fermi energy is much lower than that expected from an independent-electron interpretation of the magnetic susceptibility. This difference is attributed to a strong interaction of the conduction electrons with the lattice vibrations. The localization of conduction electrons that occurs in the final state in the Ti-2p X-ray photoelectron spectrum of LiTi2O4 is attributed to a Coulomb interaction with a core hole. © 1984.

Authors: Edwards, P; Egdell, R; Fragala, I; Goodenough, J; Harrison, M

• Publication status: Published
• Journal: JOURNAL OF SOLID STATE CHEMISTRY
• Volume: 54
• Issue: 2
• Pages: 127-135
• Publication date: 1984-01-01
• DOI: 10.1016/0022-4596(84)90140-3
• EISSN: 1095-726X
• ISSN: 0022-4596
• Language: English