In Situ and Emerging Transmission Electron Microscopy for Catalysis Research

HY Chao, K Venkatraman, S Moniri, Y Jiang… - Chemical …, 2023 - ACS Publications
Catalysts are the primary facilitator in many dynamic processes. Therefore, a thorough
understanding of these processes has vast implications for a myriad of energy systems. The …

Four-dimensional scanning transmission electron microscopy (4D-STEM): From scanning nanodiffraction to ptychography and beyond

C Ophus - Microscopy and Microanalysis, 2019 - cambridge.org
Scanning transmission electron microscopy (STEM) is widely used for imaging, diffraction,
and spectroscopy of materials down to atomic resolution. Recent advances in detector …

The abTEM code: transmission electron microscopy from first principles

J Madsen, T Susi - Open Research Europe, 2021 - pmc.ncbi.nlm.nih.gov
Simulation of transmission electron microscopy (TEM) images or diffraction patterns is often
required to interpret experimental data. Since nuclear cores dominate electron scattering …

Direct visualization of local electromagnetic field structures by scanning transmission electron microscopy

N Shibata, SD Findlay, T Matsumoto… - Accounts of chemical …, 2017 - ACS Publications
Conspectus The functional properties of materials and devices are critically determined by
the electromagnetic field structures formed inside them, especially at nanointerface and …

Phase contrast scanning transmission electron microscopy imaging of light and heavy atoms at the limit of contrast and resolution

E Yücelen, I Lazić, EGT Bosch - Scientific reports, 2018 - nature.com
Using state of the art scanning transmission electron microscopy (STEM) it is nowadays
possible to directly image single atomic columns at sub-Å resolution. In standard (high …

Real-space charge-density imaging with sub-ångström resolution by four-dimensional electron microscopy

W Gao, C Addiego, H Wang, X Yan, Y Hou, D Ji… - Nature, 2019 - nature.com
The distribution of charge density in materials dictates their chemical bonding, electronic
transport, and optical and mechanical properties. Indirectly measuring the charge density of …

Measuring and directing charge transfer in heterogenous catalysts

MJ Zachman, V Fung, F Polo-Garzon, S Cao… - Nature …, 2022 - nature.com
Precise control of charge transfer between catalyst nanoparticles and supports presents a
unique opportunity to enhance the stability, activity, and selectivity of heterogeneous …

Bringing atom probe tomography to transmission electron microscopes

G Da Costa, C Castro, A Normand, C Vaudolon… - Nature …, 2024 - nature.com
For the purpose of enhancing the structural insights within the three-dimensional
composition fields revealed by atom probe tomography, correlative microscopy approaches …

Atomic motifs govern the decoration of grain boundaries by interstitial solutes

X Zhou, A Ahmadian, B Gault, C Ophus… - Nature …, 2023 - nature.com
Grain boundaries, the two-dimensional defects between differently oriented crystals, tend to
preferentially attract solutes for segregation. Solute segregation has a significant effect on …