Recently, emerging phonon phenomena have been discovered and rapidly developed,
which have become an active hot research topic. In this review article, we present state-of …

The advent of pump-probe spectroscopy techniques paved the way to the exploration of
ultrafast dynamics of electrons and phonons in crystalline solids. Following photo-absorption …

Accurate measurements and physical understanding of thermal boundary resistance (R) of
two-dimensional (2D) materials are imperative for effective thermal management of 2D …

ABSTRACT A thorough understanding of the microscopic picture of heat conduction in
solids is critical to a broad range of applications, from thermal management of …

Under photon excitation, 2D materials experience cascading energy transfer from electrons
to optical phonons (OPs) and acoustic phonons (APs). Despite few modeling works, it …

Electron-phonon (e-ph) coupling and transport are ubiquitous in modern electronic devices.
The coupled electron and phonon Boltzmann transport equations (BTEs) hold great …

Understanding thermal transport by phonons near nanoscale hotspots is critical for many
engineering applications, especially for nanoscale thermal measurements and …

Abstract 2D materials experience a cascading energy transfer under intense laser
irradiation, which leads to a strong thermal non-equilibrium between energy carriers …

Thermal transport within nanostructures is highly confined by interfaces, and non-trivial
physics can emerge at boundaries. Theoretical studies have shown that different phonon …

The thermal management on low-dimensional materials requires a fundamental
understanding of phonon couplings, which dominates thermal transport. In this mini-review …