Optical properties, electron-phonon coupling, and Raman scattering of vanadium ladder compounds

J. Spitaler, E. Ya. Sherman, H. G. Evertz +1

The electronic structure of two V-based ladder compounds, the quarter-filled NaV${}_2$O${}_5$ in the symmetric phase and the iso-structural half-filled CaV${}_2$O${}_5$ is investigated by…