Scanning transmission electron microscopy (STEM) has emerged as a uniquely powerful
tool for structural and functional imaging of materials on the atomic level. Driven by …

This review highlights recent efforts on applying electron microscopy (EM) to soft (including
biological) nanomaterials. We will show how developments of both the hardware and …

Crystal defects affect the thermal and heat-transport properties of materials by scattering
phonons and modifying phonon spectra,,,,,,–. To appreciate how imperfections in solids …

Spatially resolved vibrational map** of nanostructures is indispensable to the
development and understanding of thermal nanodevices, modulation of thermal transport …

Single-atom impurities and other atomic-scale defects can notably alter the local vibrational
responses of solids and, ultimately, their macroscopic properties. Using high-resolution …

Free electron beams such as those employed in electron microscopes have evolved into
powerful tools to investigate photonic nanostructures with an unrivaled combination of …

Phonon polaritons enable light confinement at deep subwavelength scales, with potential
technological applications, such as subdiffraction imaging, sensing and engineering of …

Correlation of lattice vibrational properties with local atomic configurations in materials is
essential for elucidating functionalities that involve phonon transport in solids. Recent …

Coherent optical excitations in two-dimensional (2D) materials, 2D polaritons, can generate
a plethora of optical phenomena that arise from the extraordinary dispersion relations that …

The breakdown of translational symmetry at heterointerfaces leads to the emergence of new
phonon modes localized at the interface. These modes have an essential role in thermal …