The effect of cation size on hydride-ion conduction in LnSrLiH<sub>2</sub>O<sub>2</sub> (Ln = La, Pr, Nd, Sm, Gd) oxyhydrides
Naoki Matsui, Yoyo Hinuma, Yu‐ki Iwasaki, Kota Suzuki, Guangzhong Jiang, Haq Nawaz, Yumiko Imai, Masao Yonemura, Masaaki Hirayama, Genki Kobayashi, Ryoji Kanno
Abstract
Larger lanthanide ions result in a greater barrier to H<sup>−</sup> migration in LnSrLiH<sub>2</sub>O<sub>2</sub> because a large ξ requires a greater deviation from the optimum Li–H distance at the saddle point.
Topics & Concepts
LanthanideIonHydrideAnalytical Chemistry (journal)Materials scienceThermal conductionChemistryInorganic chemistryCrystallographyMetalOrganic chemistryChromatographyComposite materialMetallurgyAdvanced Condensed Matter PhysicsAdvancements in Solid Oxide Fuel CellsThermal Expansion and Ionic Conductivity