3D oxygen vacancy distribution and defect-property relations in an oxide heterostructure

KA Hunnestad, H Das, C Hatzoglou, M Holtz… - Nature …, 2024 - nature.com
Oxide heterostructures exhibit a vast variety of unique physical properties. Examples are
unconventional superconductivity in layered nickelates and topological polar order in …

Quantitative mapping of chemical defects at charged grain boundaries in a ferroelectric oxide

KA Hunnestad, J Schultheiß, AC Mathisen… - Advanced …, 2023 - Wiley Online Library
Polar discontinuities, as well as compositional and structural changes at oxide interfaces
can give rise to a large variety of electronic and ionic phenomena. In contrast to earlier work …

Understanding atom probe's analytical performance for iron oxides using correlation histograms and ab initio calculations

SH Kim, S Bhatt, DK Schreiber… - New Journal of …, 2024 - iopscience.iop.org
Field evaporation from ionic or covalently bonded materials often leads to the emission of
molecular ions. The metastability of these molecular ions, particularly under the influence of …