Three-dimensional electron tomography and recent expansion of its applications in materials science

N Baba, S Hata, H Saito, K Kaneko - Microscopy, 2023 - academic.oup.com
Electron tomography (ET) is a powerful tool for elucidating the properties and functionalities
of materials. The innovative development of aberration-corrected electron microscopy in the …

In situ transmission electron microscopy and three-dimensional electron tomography for catalyst studies

C Sun, K Liu, J Zhang, Q Liu, X Liu, L Han - Chinese Journal of Structural …, 2022 - Elsevier
An in-depth understanding of the catalytic reaction mechanism is the key to designing
efficient and stable catalysts. In situ transmission electron microscope (TEM) is the most …

Hydrogen Adsorption at the Au/TiO2 Interface: Quantitative Determination and Spectroscopic Signature of the Reactive Interface Hydroxyl Groups at the Active Site

A Mahdavi-Shakib, LC Rich, TN Whittaker… - Acs …, 2021 - ACS Publications
Infrared spectroscopy shows that H2 adsorbs heterolytically at the metal–support interface
(MSI) of Au/TiO2 catalysts. This generates stable protonated MSI hydroxyls, which are …

Uncovering atomic-scale polymer-to-ceramic transformations in SiC polymer derived ceramics from polycarbosilanes

HG Hackbarth, TS Key, BJ Ackley, G Opletal… - Journal of the European …, 2024 - Elsevier
Polycarbosilanes (PCS) are organosilicon polymers that can be converted into silicon
carbide (SiC) ceramics upon pyrolysis. The phase compositions and microstructure of the …

A decade of atom-counting in STEM: From the first results toward reliable 3D atomic models from a single projection

A De Backer, S Bals, S Van Aert - Ultramicroscopy, 2023 - Elsevier
Quantitative structure determination is needed in order to study and understand
nanomaterials at the atomic scale. Materials characterisation resulting in precise structural …

Surface rearrangement and sublimation kinetics of supported gold nanoparticle catalysts

JP Horwath, C Lehman-Chong, A Vojvodic, EA Stach - ACS nano, 2023 - ACS Publications
Heterogeneous catalysts consisting of supported metallic nanoparticles typically derive
exceptional catalytic activity from their large proportion of undercoordinated surface sites …

3D Atomic Structure of Supported Metallic Nanoparticles Estimated from 2D ADF STEM Images: A Combination of Atom‐Counting and a Local Minima Search …

E Arslan Irmak, P Liu, S Bals, S Van Aert - Small Methods, 2021 - Wiley Online Library
Determining the 3D atomic structure of nanoparticles (NPs) is critical to understand their
structure‐dependent properties. It is hereby important to perform such analyses under …

Machine learning of atomic dynamics and statistical surface identities in gold nanoparticles

D Rapetti, M Delle Piane, M Cioni, D Polino… - Communications …, 2023 - nature.com
It is known that metal nanoparticles (NPs) may be dynamic and atoms may move within them
even at fairly low temperatures. Characterizing such complex dynamics is key for …

Experimental reconstructions of 3D atomic structures from electron microscopy images using a Bayesian genetic algorithm

A De Backer, S Van Aert, C Faes… - npj Computational …, 2022 - nature.com
We introduce a Bayesian genetic algorithm for reconstructing atomic models of monotype
crystalline nanoparticles from a single projection using Z-contrast imaging. The number of …

[HTML][HTML] Bringing into play automated electron microscopy data processing for understanding nanoparticulate electrocatalysts' structure–property relationships

AR Kamšek, F Ruiz-Zepeda, A Pavlišič, A Hrnjić… - Current Opinion in …, 2022 - Elsevier
Observing and quantifying information at the atomic scale plays an essential role in
assessing the structure–property relationships in electrocatalysis. Particularly, when …