Optical properties and electronic structure of Ca-doped alpha'-NaV2O5

C. Presura, D. van der Marel, M. Dischner +2

The dielectric function of alpha'-Na(1-x)Ca(x)V2O5 (0 < x < 20%) was measured for the a and b axes in the photon energy range 0.8-4.5 eV at room temperature. By varying the Ca-conc…