Electrical properties of new materials belonging to the Bi2O3CdOCdF2 system
Abstract The Bi 2 O 3 CdOCdF 2 system was investigated by means of X-ray diffraction at temperatures between 630 and 800 °C. Four solid solution domains were characterized, corresponding respectively to anti-α-AgI, BiSrO rhombohedral (ϵ), ALa 2 O 3 and fluorite structural types. Among these phases, the most attractive conductivity performances were evidenced in the fluorite domain ( σ = 2 × 10 −5 S cm −1 at 300°C for Bi 0.42 Cd 0.58 O 0.72 F 0.97 ) and were shown to depend on the oxygen-fluorine ratio.