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 …

Magnetic electrides: High-throughput material screening, intriguing properties, and applications

X Zhang, W Meng, Y Liu, X Dai, G Liu… - Journal of the American …, 2023 - ACS Publications
Electrides are a unique class of electron-rich materials where excess electrons are localized
in interstitial lattice sites as anions, leading to a range of unique properties and applications …

Probing charge density in materials with atomic resolution in real space

C Addiego, W Gao, H Huyan, X Pan - Nature Reviews Physics, 2023 - nature.com
The charge distribution in materials at the nanoscale can often explain the origin of
macroscopic properties such as localized conductivity or the plasmonic response and …

Machine Learning-Accelerated Discovery of A2BC2 Ternary Electrides with Diverse Anionic Electron Densities

Z Wang, Y Gong, ML Evans, Y Yan… - Journal of the …, 2023 - ACS Publications
This study combines machine learning (ML) and high-throughput calculations to uncover
new ternary electrides in the A 2 BC 2 family of compounds with the P 4/mbm space group …

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 …

Automated experiment in 4D-STEM: exploring emergent physics and structural behaviors

KM Roccapriore, O Dyck, MP Oxley, M Ziatdinov… - ACS …, 2022 - ACS Publications
Automated experiments in 4D scanning transmission electron microscopy (STEM) are
implemented for rapid discovery of local structures, symmetry-breaking distortions, and …

Emergent interface vibrational structure of oxide superlattices

ER Hoglund, DL Bao, A O'Hara, S Makarem… - Nature, 2022 - nature.com
As the length scales of materials decrease, the heterogeneities associated with interfaces
become almost as important as the surrounding materials. This has led to extensive studies …

Direct imaging of electron density with a scanning transmission electron microscope

O Dyck, J Almutlaq, D Lingerfelt, JL Swett… - Nature …, 2023 - nature.com
Recent studies of secondary electron (SE) emission in scanning transmission electron
microscopes suggest that material's properties such as electrical conductivity, connectivity …

Mechanochemical Synthesis, Characterization and Reactivity of a Room Temperature Stable Calcium Electride

AWJ Bowles, JA Quirk, Y Liu, GH Morritt… - Journal of the …, 2024 - ACS Publications
A new calcium-based Room temperature Stable Electride (RoSE), K [{Ca [N (Mes)(SiMe3)] 3
(e–)} 2K3](2), is successfully synthesized from the reaction of a calcium tris-amide,[Ca {N …

Giant electric field-induced second harmonic generation in polar skyrmions

S Wang, W Li, C Deng, Z Hong, HB Gao, X Li… - Nature …, 2024 - nature.com
Electric field-induced second harmonic generation allows electrically controlling nonlinear
light-matter interactions crucial for emerging integrated photonics applications. Despite its …