In the last decade, the field of oxide-ion and proton conductors continued to trigger a
significant amount of basic research aimed at improving the properties and the …

Oxide-ion conductors are important in various applications such as solid-oxide fuel cells.
Although zirconia-based materials are widely utilized, there remains a strong motivation to …

Oxide ion and proton conductors, which exhibit high conductivity at intermediate
temperature, are necessary to improve the performance of ceramic fuel cells. The crystal …

This review presents an overview on the structures and electrical properties of B-site
deficient hexagonal perovskite oxides, which have been receiving increasing attention as …

For the development of proton-based electrolytes, high proton conductivity at intermediate
temperatures (300–600° C) is crucial, but the available materials have been confined to a …

Solid oxide‐ion conductors are crucial for enabling clean and efficient energy devices such
as solid oxide fuel cells. Hexagonal perovskite‐related oxides have been placed at the …

Various structural families have been reported to support oxide ion conductivity; among
these, perovskite conductors have received particular attention. The perovskite structure is …

High ionic conductivity has been recently reported in hexagonal perovskite derivative
materials. These systems constitute a promising class of novel electrolytes for application in …

Significant oxide ion conductivity has recently been reported in the cation-deficient
hexagonal perovskite derivative Ba3NbMoO8. 5. This system exhibits considerable anion …

Solid proton and oxide ion conductors have key applications in several hydrogen-based and
energy-related technologies. Here, we report on the discovery of significant proton and …