Abstract 2D transition metal dichalcogenides (TMDs) exhibit remarkable properties that are
strongly influenced by their atomic structures, as well as by various types of defects and …

Polycrystalline materials are ubiquitous in technology, and grain boundaries have long been
known to affect materials properties and performance. First principles materials modeling …

Phonon scattering at grain boundaries (GBs) is significant in controlling the nanoscale
device thermal conductivity. However, GBs could also act as waveguides for selected …

Nanoscale defects like grain boundaries (GBs) would introduce local phonon modes and
affect the bulk materials' thermal, electrical, optical, and mechanical properties. It is highly …

Phonon engineering is crucial for thermal management in GaN-based power devices, where
phonon-defect interactions limit performance. However, detecting nanoscale phonon …

In single unit-cell FeSe grown on SrTiO3, the superconductivity transition temperature
features a significant enhancement. Local phonon modes at the interface associated with …

Phonon dispersion relations are widely used to elucidate the vibrational properties of
materials. As an emerging technique, momentum-resolved vibrational spectroscopy in …

The advent of monochromated electron energy-loss spectroscopy has enabled atomic-
resolution vibrational spectroscopy, which triggered interest in spatially localized or quasi …

This study introduces the integration of dynamic computer vision–enabled imaging with
electron energy loss spectroscopy (EELS) in scanning transmission electron microscopy …

Causality is innate to the determination of the fundamental mechanism controlling any
physical phenomena. However, combining causality within the standard practices of …