Stabilization of a high H<sup>−</sup>-conducting phase <i>via</i> K doping of Ba–Li oxyhydride
Kei Okamoto, Fumitaka Takeiri, Yumiko Imai, Masao Yonemura, Takashi Saito, Kazutaka Ikeda, Toshiya Otomo, Takashi Kamiyama, Genki Kobayashi
Abstract
Ba 1.75 LiH 2.7 O 0.9 exhibits H − conductivity over 10 −2 S cm −1 above 315 °C due to phase transitions. In this work, a reduction of the phase transition temperature and an improvement of conductivity at lower temperatures by K/Ba substitution were confirmed.
Topics & Concepts
ConductivityDopingElectrical resistivity and conductivityMaterials sciencePhase (matter)Phase transitionAnalytical Chemistry (journal)CrystallographyChemistryCondensed matter physicsPhysical chemistryPhysicsOptoelectronicsChromatographyOrganic chemistryQuantum mechanicsAdvanced Battery Materials and TechnologiesSolid-state spectroscopy and crystallographyPerovskite Materials and Applications