High-temperature conduction of solid solutions in the system NaNbO{sub}3 - NdNb{sub}3O{sub}9

摘要

Conduction of the samples in the system NaNbO{sub}3 - NdNb{sub}3O{sub}9 within the interval of 250 - 1400℃ is studied The abnormal shape of the temperature dependence of conductivity at high temperatures is most probably attributed tochemisorption of the oxygen atoms at the grain surface in polycrystal dielectrics.