Unlocking the potential of palmierite oxides: high oxide ion conductivity via induced interstitial defects

Synthesis and characterization of a new hexagonal perovskite derivative containing interstitial oxygen. Elucidation of crystal structure through the use of neutron diffraction. Electrical characterization using impedance spectroscopy to investigate ionic conductivity of material. Maximum entropy method and complementary computational techniques performed to determine changes to ionic diffusion pathways compared to related materials.