Exploring the nature of the fergusonite–scheelite phase transition and ionic conductivity enhancement by Mo<sup>6+</sup>doping in LaNbO<sub>4</sub>
Josie E. Auckett, Laura Lopez-Odriozola, Stewart J. Clark, Ivana Radosavljević Evans
Abstract
Experimental and theoretical evidence points to first-order character of the fergusonite–scheelite transition in LaNbO<sub>4</sub>, and dopant Mo<sup>6+</sup>and interstitial O<sup>2−</sup>defects exhibit competing effects on local oxide ion mobility.
Topics & Concepts
ScheeliteDopingDopantMaterials scienceIonic conductivityCondensed matter physicsPhase transitionConductivityIonChemistryPhysicsPhysical chemistryMetallurgyElectrodeTungstenElectrolyteOrganic chemistryElectronic and Structural Properties of OxidesFerroelectric and Piezoelectric MaterialsMagnetic and transport properties of perovskites and related materials