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Colum O'Leary
Colum O'Leary
Postdoctoral Fellow, Department of Physics and Astronomy, UCLA
Verified email at ucla.edu - Homepage
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Cited by
Cited by
Year
Atomic-scale microstructure of metal halide perovskite
MU Rothmann, JS Kim, J Borchert, KB Lohmann, CM O’Leary, ...
Science 370 (6516), eabb5940, 2020
2132020
Phase reconstruction using fast binary 4D STEM data
CM O'Leary, CS Allen, C Huang, JS Kim, E Liberti, PD Nellist, AI Kirkland
Applied Physics Letters 116 (12), 2020
522020
Interstitial boron atoms in the palladium lattice of an industrial type of nanocatalyst: properties and structural modifications
T Chen, I Ellis, TJN Hooper, E Liberti, L Ye, BTW Lo, C O’Leary, ...
Journal of the American Chemical Society 141 (50), 19616-19624, 2019
492019
Contrast transfer and noise considerations in focused-probe electron ptychography
CM O’Leary, GT Martinez, E Liberti, MJ Humphry, AI Kirkland, PD Nellist
Ultramicroscopy 221, 113189, 2021
472021
Single atom detection from low contrast-to-noise ratio electron microscopy images
J Fatermans, AJ den Dekker, K Müller-Caspary, I Lobato, CM O’Leary, ...
Physical review letters 121 (5), 056101, 2018
422018
Three-dimensional topological magnetic monopoles and their interactions in a ferromagnetic meta-lattice
A Rana, CT Liao, E Iacocca, J Zou, M Pham, X Lu, EEC Subramanian, ...
Nature nanotechnology 18 (3), 227-232, 2023
252023
Increasing spatial fidelity and SNR of 4D-STEM using multi-frame data fusion
CM O'Leary, B Haas, CT Koch, PD Nellist, L Jones
Microscopy and Microanalysis 28 (4), 1417-1427, 2022
172022
Direct imaging of oxygen shifts associated with the oxygen redox of Li-rich layered oxides
W Song, MA Pérez-Osorio, JJ Marie, E Liberti, X Luo, C O’Leary, ...
Joule 6 (5), 1049-1065, 2022
152022
Deep-learning electron diffractive imaging
DJ Chang, CM O’Leary, C Su, DA Jacobs, S Kahn, A Zettl, J Ciston, ...
Physical review letters 130 (1), 016101, 2023
142023
Direct imaging of charge redistribution due to bonding at atomic resolution via electron ptychography
GT Martinez, BX Shi, TC Naginey, L Jones, CM O'Leary, TJ Pennycook, ...
arXiv preprint arXiv:1907.12974, 2019
72019
Ultrafast ptychography with 7500 frames per second
M Huth, R Ritz, CM O'Leary, I Griffiths, P Nellist, H Soltau
Microscopy and Microanalysis 25 (S2), 40-41, 2019
52019
The effect of dynamical scattering on single-plane phase retrieval in electron ptychography
L Clark, GT Martinez, CM O’Leary, H Yang, Z Ding, TC Petersen, ...
Microscopy and Microanalysis 29 (1), 384-394, 2023
42023
Efficient phase contrast imaging via electron ptychography, a tutorial
TJ Pennycook, GT Martinez, CM O'Leary, H Yang, PD Nellist
Microscopy and Microanalysis 25 (S2), 2684-2685, 2019
42019
Three-dimensional electron ptychography of catalyst nanoparticles using combined HAADF STEM and atom counting
E Liberti, GT Martinez, CM O'Leary, PD Nellist, AI Kirkland
Microscopy and Microanalysis 25 (S2), 8-9, 2019
42019
Electron Ptychography Using Fast Binary 4D STEM Data
CM O'Leary, E Liberti, SM Collins, DN Johnstone, M Rothmann, J Hou, ...
Microscopy and Microanalysis 25 (S2), 1662-1663, 2019
32019
The development and applications of STEM ptychography using direct electron detectors
C O'Leary
University of Oxford, 2020
22020
Contrast transfer and noise minimization in electron ptychography
CM O'Leary, GT Martinez, E Liberti, MJ Humphry, AI Kirkland, PD Nellist
Microscopy and Microanalysis 25 (S2), 64-65, 2019
22019
Phase Retrieval Quantitative Comparison Between Tilt-series Imaging in TEM and Position-resolved Coherent Diffractive Imaging in STEM
E Liberti, G Martinez, C O’Leary, P Nellist, A Kirkland
Microscopy and Microanalysis 23 (S1), 470-471, 2017
22017
Atomic-scale Imaging of PGM-free Catalyst Active Sites by 30 keV 4D-STEM
M Zachman, CM O'Leary, DY Chung, H Hafiz, EF Holby, V Stamenkovic, ...
Microscopy and Microanalysis 27 (S1), 2976-2977, 2021
12021
Direct Imaging of Oxygen Sub-lattice Deformation in Li-rich Cathode Material Using Electron Ptychography
W Song, M Osorio, J Marie, E Liberti, X Luo, C O'Leary, R House, P Bruce, ...
Microscopy and Microanalysis 27 (S1), 2724-2726, 2021
12021
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