Lanthanide L-edge spectroscopy of high-entropy oxides: insights into valence and phase stability
Gerald Bejger, Mary Kathleen Caucci, Saeed S. I. Almishal, Billy Yang, J. Princy Maria, Susan B. Sinnott, Christina M. Rost
Abstract
Lanthanide L-edge XANES and DFT reveal how Ce-driven compositional changes in rare-earth highentropy oxides induce a bixbyite-to-fluorite transition without altering cation valence states.
Topics & Concepts
LanthanideValence (chemistry)SpectroscopyMaterials scienceChemical physicsChemistryPhysicsQuantum mechanicsIonCatalysis and Oxidation ReactionsElectronic and Structural Properties of OxidesCatalytic Processes in Materials Science