Effective Dimensionality and Band Structure of alpha-Nav_2o_5 Compound: 1D or 2D?

V. A. Ivanov, Z. V. Popovic, P. Khuong +1

The AV_nO_{2n+1} mixed valence compounds (n=1, A=Na) are classified as dimerized layered system with strongly interacting d-electrons of vanadium ions. The derived band gaps, energ…