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cond-mat.mtrl-sci2024
Systematic Absences of Optical Phonon Modes in Phonon Dispersion Measured by Electron Microscopy
Aowen Li, Paul Zeiger, Zuxian He +4
Phonon dispersion is widely used to elucidate the vibrational properties of materials. As an emerging technique, momentum-resolved vibrational spectroscopy in scanning transmission…
cond-mat.mtrl-sci2023★ 1 cited
Phonon vortices at heavy impurities in two-dimensional materials
De-Liang Bao, Mingquan Xu, Ao-Wen Li +3
The advent of monochromated electron energy-loss spectroscopy has enabled atomic-resolution vibrational spectroscopy, which triggered interest in spatially localized or quasi-local…
cond-mat.mtrl-sci2018★ 14 cited
High resolution electron microscopy for heterogeneous catalysis research
Yong Zhu, Mingquan Xu, Wu Zhou
Heterogeneous catalysts are the most important catalysts in industrial reactions. Nanocatalysts, with size ranging from hundreds of nanometers to the atomic scale, possess activiti…