G. Travaglini, P. Wachter
Jul 1, 1983
Citations
0
Influential Citations
16
Citations
Journal
Solid State Communications
Abstract
Abstract The blue bronze K 0.3 MoO 3 (1) is well known to have a 1-D character along the crystallographic b axis. The red bronze K 0.33 MoO 3 , instead, is a semiconductor with a 0.5 eV energy gap (2). The two bronzes have a different crystallographic configuration. In a microscopic model one can derive the red bronze structure from the one of the blue bronze and one can explain the metal semiconductor “transition” between K 0.3 MoO 3 and K 0.33 MoO 3 with a formal Mott transition of delocalized into localized states due to a critical overlap between cationanion-cation orbitals.