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 …

Phase and defect evolution in uranium-nitrogen-oxygen system under irradiation

L He, M Khafizov, C Jiang, B Tyburska-Püschel… - Acta Materialia, 2021 - Elsevier
Uranium mononitride (UN) with 5 wt.% uranium dioxide (UO 2) is used as a model system to
study the phase and defect evolution under proton irradiation in nitride-oxide composite …

Superdislocations and point defects in pyrochlore Yb2Ti2O7 single crystals and implication on magnetic ground states

Z Shafieizadeh, Y **n, SM Koohpayeh, Q Huang… - Scientific reports, 2018 - nature.com
This study reports atomic-scale characterization of structural defects in Yb2Ti2O7, a
pyrochlore oxide whose subtle magnetic interactions is prone to small perturbations. Due to …

The pyrochlore Ho2Ti2O7: Synthesis, crystal growth, and stoichiometry

A Ghasemi, A Scheie, J Kindervater… - Journal of Crystal …, 2018 - Elsevier
We have investigated the effect of synthesis and growth conditions on the magnetic,
structural, and compositional properties of the pyrochlore oxide holmium titanate and …

Phase transitions in Pb0. 96La0. 04 (Zr0. 95Ti0. 05) O3 capacitors by in-situ AC-HRTEM

X Er, P Chen, Q Zhan - Scripta Materialia, 2024 - Elsevier
Antiferroelectrics (AFEs) undergo reversible antiferroelectric-ferroelectric (AFE-FE) phase
transitions under external electric fields, and show great promise in modern electronic …

Evaluating the effects of structural disorder on the magnetic properties of

E Zoghlin, J Schmehr, C Holgate, R Dally, Y Liu… - Physical Review …, 2021 - APS
Motivated by the variation in reported lattice parameters of floating-zone-grown Nd 2 Zr 2 O
7 crystals, we have performed a detailed study of the relationship between synthesis …

Sculpting nanoscale functional channels in complex oxides using energetic ions and electrons

R Sachan, E Zarkadoula, X Ou… - … Applied Materials & …, 2018 - ACS Publications
The formation of metastable phases has attracted significant attention because of their
unique properties and potential functionalities. In the present study, we demonstrate the …

Characterizing oxygen atoms in perovskite and pyrochlore oxides using ADF-STEM at a resolution of a few tens of picometers

A Mostaed, B Walkley, MC Hatnean, G Balakrishnan… - Acta Materialia, 2021 - Elsevier
We present an aberration corrected scanning transmission electron microscopy (ac-STEM)
analysis of perovskite (LaFeO 3) and pyrochlore (Yb 2 Ti 2 O 7 and Pr 2 Zr 2 O 7) oxides and …

Crystal structural, thermal, and mechanical properties of Yb2+ xTi2− xO7− x/2 solid solutions

K Asai, M Tanaka, T Ogawa, U Matsumoto… - Journal of Solid State …, 2020 - Elsevier
Crystal structural, thermal and mechanical properties of Yb 2+ x Ti 2− x O 7− x/2 solid
solutions annealed at 1673​ K were investigated for x from 0.05 to 1.02. From Rietveld …

2 GeV Electron Beam Irradiation Effects in Advanced Metallic Glasses

M Sorescu, F Benmokhtar, D Higinbotham… - Journal of Minerals and …, 2022 - scirp.org
Six amorphous alloys (Alloy 1: Fe56Co24Nb4B13Si2Cu1, Alloy 2: Fe68. 5Co5Nb3Cu1Si15.
5B7, Alloy 3: Fe75. 3Ni0. 8Cr0. 9Si8. 7B14. 3, Alloy 4: Fe56Co24Cr10Nb4B3Si1Cu2, Alloy …