Recently, the need for miniaturization and high integration have steered a strong technical
wave in developing (micro‐) electronic devices. However, excessive amounts of heat may …

The coupling of lattice dynamics and phonon transport methodologies with density
functional theory has become a powerful tool for calculating lattice thermal conductivity (κ) …

ABSTRACT Coupling of the Peierls-Boltzmann equation with density functional theory
paved the way for predictive thermal materials discovery and a variety of new physical …

Phonon hydrodynamics is an exotic phonon transport phenomenon that challenges the
conventional understanding of diffusive phonon scattering in crystalline solids. It features a …

Thermal conductivity is a crucial material property for a diverse range of energy
technologies, ranging from thermal management of high power electronics to thermal …

In recent times, the unique collective transport physics of phonon hydrodynamics motivates
theoreticians and experimentalists to explore it in micro-and nanoscale and at elevated …

Recent theories and experiments have suggested hydrodynamic phonon transport features
in graphite at unusually high temperatures. Here, we report a picosecond pump-probe …

Graphene, due to its atomic layer structure, has the highest room temperature thermal
conductivity k for all known materials. Thus, it is expected that graphene based materials are …

Hotspot is a ubiquitous phenomenon in micro/nanoscale chips. Here, it is found that the
thermal conductivity is not a constant in such a homogeneous system. The hotspots in …

Phonon hydrodynamics, a collective motion of phonons, has recently attracted renewed
attention since its temperature window has been greatly extended in layered materials. The …