Strengths of covalent bonds in LnO<sub>2</sub> determined from O K-edge XANES spectra using a Hubbard model
Wayne W. Lukens, Stefan G. Minasian, Corwin H. Booth
Abstract
. While this energy is substantial, the stabilization provided by mixing between the Ln 5d and O 2p orbitals was an order of magnitude greater consistent with the perception that covalent bonding in the lanthanides is largely driven by the 5d orbitals rather than the 4f orbitals.
Topics & Concepts
XANESAtomic orbitalChemistryCovalent bondMolecular orbitalAtomic physicsExcited stateSpectroscopyLocalized molecular orbitalsAbsorption spectroscopyCrystallographyMolecular physicsMolecular orbital theoryPhysicsMoleculeElectronQuantum mechanicsOrganic chemistryMagnetic and transport properties of perovskites and related materialsRadioactive element chemistry and processingCatalytic Processes in Materials Science