Angular Dependent Soft X-ray Absorption Spectroscopy of V2O5 and V6O13

Details Angular Dependent Soft X-ray Absorption Spectroscopy of V2O5 and V6O13 Angular Dependent Soft X-ray Absorption Spectroscopy of V2O5 and V6O13

1994-09-22

arxiv.org/abs/cond-mat/9409096v1

Physics

Condensed Matter

PostScript, 9 pages, 3 figures

Scientific paper

10.1016/0921-4526(94)00847-O

We have measured the V 2p3/2 and O 1s x-ray absorption spectra of single crystal V2O5 and V6O13 and compared to linear combinations of atomic orbitals (LCAO) density of states (DOS) calculations. The spectra change dramatically with incident angle. The use of polarized light and a single crystal limits the number of transitions possible, revealing spectral features that cannot be resolved on polycrystals (angle-integrated). The measured O 1s and V 2p3/2 spectra agree with the projected unoccupied O 2p and V 3d DOS respectively, indicating that atomic and solid state effects, including V-O hybridization, must be included to adequately describe the spectra.

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