Steam-created grain boundaries for methane C–H activation in palladium catalysts

W Huang, AC Johnston-Peck, T Wolter, WCD Yang… - Science, 2021 - science.org
Defects may display high reactivity because the specific arrangement of atoms differs from
crystalline surfaces. We demonstrate that high-temperature steam pretreatment of palladium …

py4DSTEM: A software package for four-dimensional scanning transmission electron microscopy data analysis

BH Savitzky, SE Zeltmann, LA Hughes… - Microscopy and …, 2021 - cambridge.org
Scanning transmission electron microscopy (STEM) allows for imaging, diffraction, and
spectroscopy of materials on length scales ranging from microns to atoms. By using a high …

[HTML][HTML] edxia: Microstructure characterisation from quantified SEM-EDS hypermaps

F Georget, W Wilson, KL Scrivener - Cement and Concrete Research, 2021 - Elsevier
The characterisation of cement paste microstructure is an important step towards
understanding durability mechanisms in cementitious materials. Scanning electron …

Cathodoluminescence excitation spectroscopy: Nanoscale imaging of excitation pathways

N Varkentina, Y Auad, SY Woo, A Zobelli, L Bocher… - Science …, 2022 - science.org
Following optical excitations' life span from creation to decay into photons is crucial in
understanding materials photophysics. Macroscopically, this is studied using optical …

[HTML][HTML] Bulk and grain boundary conductivity in doped BaZrO3: bulk contribution dominates at operating temperatures

JN Ebert, D Jennings, LA Schäfer, D Sebold… - Scripta Materialia, 2024 - Elsevier
This study evaluates the role of microstructure for the conductivity of BaZrO 3-based protonic
conductors. Bulk conductivity was found to be the limiting conductivity contribution in BaZr …

[HTML][HTML] Grain boundary structures and their correlation with intergranular corrosion in an extruded Al-Mg-Si-Cu alloy

A Lervik, S Wenner, O Lunder, CD Marioara… - Materials …, 2020 - Elsevier
A detailed analysis of grain boundaries in a highly textured Al-Mg-Si-Cu alloy is presented in
this work. Electron backscatter diffraction demonstrates the presence of three main …

[HTML][HTML] Comparative of machine learning classification strategies for electron energy loss spectroscopy: Support vector machines and artificial neural networks

D del-Pozo-Bueno, D Kepaptsoglou, F Peiró, S Estradé - Ultramicroscopy, 2023 - Elsevier
Abstract Machine Learning (ML) strategies applied to Scanning and conventional
Transmission Electron Microscopy have become a valuable tool for analyzing the large …

Nanoscale Modification of WS2 Trion Emission by Its Local Electromagnetic Environment

N Bonnet, HY Lee, F Shao, SY Woo, JD Blazit… - Nano Letters, 2021 - ACS Publications
Structural, electronic, and chemical nanoscale modifications of transition metal
dichalcogenide monolayers alter their optical properties. A key missing element for complete …

[HTML][HTML] On intermetallic phases formed during interdiffusion between aluminium alloys and stainless steel

T Bergh, SM Arbo, AB Hagen, J Blindheim, J Friis… - Intermetallics, 2022 - Elsevier
One of the major challenges in welding of aluminium (Al) alloys and steels is the growth of
brittle intermetallic phases, which depends on the thermomechanical processing history and …

[HTML][HTML] Reactive FAST/SPS sintering of strontium titanate as a tool for grain boundary engineering

MP Zahler, D Jennings, M Kindelmann… - Journal of the European …, 2023 - Elsevier
A high-pressure FAST/Spark Plasma Sintering method was used to produce dense SrTiO 3
ceramics at temperatures of 1050° C, more than 250° C below typical sintering …