Increased activity in the oxygen evolution reaction by Fe 4+-induced hole states in perovskite La 1− x Sr x FeO 3

Z Shen, Y Zhuang, W Li, X Huang… - Journal of Materials …, 2020 - pubs.rsc.org
Perovskite transition metal oxides are promising non-precious metal electrocatalysts for
promoting the oxygen evolution reaction (OER) in many electrochemical energy conversion …

Coke formation during high-temperature CO2 electrolysis over AFeO3 (A= La/Sr) cathode: effect of A-site metal segregation

DJ Deka, J Kim, S Gunduz, D Jain, Y Shi… - Applied Catalysis B …, 2021 - Elsevier
In this study, strontium-doped lanthanum ferrite perovskite oxides (LSF) with different A-site
occupancies were used as cathode catalysts for CO 2 electrolysis at 800° C. XRD, EXAFS …

Structure and Electronic Effects from Mn and Nb Co-doping for Low Band Gap BaTiO3 Ferroelectrics

S Mukherjee, D Phuyal, CU Segre, S Das… - The Journal of …, 2021 - ACS Publications
We have investigated the doping-induced local structural and electronic effects in the
recently developed low band gap room temperature ferroelectric Mn–Nb co-doped BaTiO3 …

Consistent metrics needed for quantifying methane emissions from upstream oil and gas operations

DT Allen, Q Chen, JB Dunn - Environmental Science & …, 2021 - ACS Publications
Methane emissions from oil and natural gas sources are often characterized as a methane
emissions intensity, which is typically defined as methane emissions divided by natural gas …

Significant study of BaTiO3 as a cathode for magnesium battery applications

N Yacout, HS Refai, MA Kebede, F Salman… - Materials Chemistry and …, 2022 - Elsevier
The attempts to tailor the physical properties of barium titanate (BTO) to qualify it as a
promising cathode for metal-ion batteries are interesting strategies. Herein, the paper …

Metal-insulator transition and local-moment collapse in negative charge transfer under pressure

I Leonov - Physical Review B, 2022 - APS
We compute the electronic structure, spin and charge state of Fe ions, and the structural
phase stability of paramagnetic CaFeO 3 under pressure using a fully self-consistent in …

Improved description of perovskite oxide crystal structure and electronic properties using self-consistent Hubbard corrections from ACBN0

KJ May, AM Kolpak - Physical Review B, 2020 - APS
The wide variety of complex physical behavior exhibited in transition metal oxides,
particularly the perovskites ABO 3, makes them a material family of interest in many research …

Electronic structure of pristine and Ni-substituted from near edge x-ray absorption fine structure experiments and first-principles simulations

I Timrov, P Agrawal, X Zhang, S Erat, R Liu… - Physical Review …, 2020 - APS
We present a joint theoretical and experimental study of the oxygen K-edge spectra for La
Fe O 3 and homovalent Ni-substituted La Fe O 3 (La Fe 0.75 Ni 0.25 O 3), using first …

Structural change from Pbnm to R3̅c phase with varying Fe/Mn content in (1-x) LaFeO3. xLaMnO3 solid solution leading to modifications in octahedral tilt and …

EG Rini, MK Gupta, R Mittal, A Mekki… - Journal of Alloys and …, 2021 - Elsevier
A theoretically supported experimental study of the (1-x) LaFeO 3. xLaMnO 3 (LFO-LMO)
solid solution is being reported for the first time which reveals a structural change from the …

Characteristic lengths of interlayer charge transfer in correlated oxide heterostructures

GJ Omar, M Li, X Chi, Z Huang, ZS Lim, S Prakash… - Nano Letters, 2020 - ACS Publications
Using interlayer interaction to control functional heterostructures with atomic-scale designs
has become one of the most effective interface-engineering strategies nowadays. Here, we …