Emerging Anion Disorder in CaTi1–xFexO3–x/2 Perovskites by X-ray Spectroscopy and Neutron Total Scattering

BG Mullens, FP Marlton, M Saura-Múzquiz… - Chemistry of …, 2024 - ACS Publications
The long-range average and short-range local structures of the perovskite-type CaTi1–x Fe
x O3–x/2 (0.00≤ x≤ 0.40) oxides have been determined using high-resolution synchrotron …

Probing Multiscale Disorder in Pyrochlore and Related Complex Oxides in the Transmission Electron Microscope: A Review

JL Wardini, H Vahidi, H Guo, WJ Bowman - Frontiers in Chemistry, 2021 - frontiersin.org
Transmission electron microscopy (TEM), and its counterpart, scanning TEM (STEM), are
powerful materials characterization tools capable of probing crystal structure, composition …

Study of oxygen-ion conductivity and luminescence in the ZrO2–Nd2O3 system: impact of local heterogeneity

NV Lyskov, AN Shchegolikhin, DN Stolbov… - Electrochimica …, 2022 - Elsevier
Stabilized fluorites and pyrochlores with different types of substitution in the (Nd 2 O 3− ZrO
2 system (NdZrO)) have been studied by Raman spectroscopy, X-ray diffraction, and …

Beyond the ionic radii: A multifaceted approach to understand differences between the structures of LnNbO4 and LnTaO4 fergusonites

BG Mullens, M Saura-Múzquiz, FP Marlton… - Journal of Alloys and …, 2023 - Elsevier
Synchrotron X-ray powder diffraction methods have been used to obtain accurate structures
of the lanthanoid tantalates, LnTaO 4, at room temperature. Three different structures are …

Proton Conductivity of La2(Hf2xLax)O7x/2 “Stuffed” Pyrochlores

AV Shlyakhtina, NV Lyskov, GE Nikiforova… - Applied Sciences, 2022 - mdpi.com
Featured Application The proposed materials can be applied in solid oxide fuel cells
(SOFCs). Abstract The design of new oxygen-and proton-conducting materials is of …

Average and local ordering of Yb2 (Ti2-xYbx) O7-x/2 'stuffed'pyrochlores: The development of a robust structural model

BG Mullens, Z Zhang, M Avdeev, HEA Brand… - Journal of Solid State …, 2021 - Elsevier
The long-range (average) and short-range (local) structures in the Yb 2 (Ti 2-x Yb x) O 7-x/2
(x​=​ 0.00–0.67) series were studied using a combination of diffraction and spectroscopic …

Defect Engineering in Epitaxial Thin Films of the Pyrochlore Frustrated Magnet Tb2Ti2O7

MA Anderson, I El Baggari, CM Brooks… - Chemistry of …, 2024 - ACS Publications
Among the pyrochlore oxides, the frustrated magnet Tb2Ti2O7 has drawn intense interest as
a spin liquid candidate. Its unusual magnetic properties rely on a careful balance of …

Kinetics of Formation and Crystallization of Ln2Ti2O7 (Ln = Gd, Lu) Pyrochlores from Nanoparticulate Precursors

AV Shlyakhtina, GA Vorobieva, AV Leonov… - Inorganic Materials, 2022 - Springer
The kinetics of formation and crystallization of Ln2Ti2O7 (Ln= Gd, Lu) pyrochlores from
nanoparticulate precursors prepared via coprecipitation have been analyzed using X-ray …

[HTML][HTML] Pyrochlore-type lanthanide titanates and zirconates: Synthesis, structural peculiarities, and properties

AF Fuentes, EC O'Quinn, SM Montemayor… - Applied Physics …, 2024 - pubs.aip.org
This contribution provides a thorough examination of the structural characteristics of
pyrochlore-type lanthanide titanates and zirconates Ln 2 Ti 2 O 7 and Ln 2 Zr 2 O 7, across …

Long-range A-site cation disorder in NaA (MO4) 2 (M= Mo, W) double scheelite oxides

BG Mullens, MK Nicholas, FP Marlton… - Journal of Solid State …, 2023 - Elsevier
Synchrotron X-ray and neutron powder diffraction methods have been used to obtain
accurate long-range average structures of some double scheelite compounds of the type Na …