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

Heat conduction by phonons is a ubiquitous process that incorporates a wide range of
physics and plays an essential role in applications ranging from space power generation to …

Wavelike thermal transport in solids, referred to as second sound, is an exotic phenomenon
previously limited to a handful of materials at low temperatures. The rare occurrence of this …

Non-metallic crystalline materials conduct heat by the transport of quantized atomic lattice
vibrations called phonons. Thermal conductivity depends on how far phonons travel …

The widespread use of nanostructures and nanomaterials has opened up a whole new
realm of challenges in thermal management, but also leads to possibilities for energy …

As a foundational concept in many-body physics, electron–phonon interaction is essential to
understanding and manipulating charge and energy flow in various electronic, photonic, and …

The thermal conductivities of solid silicon thin films and silicon thin films with periodic pore
arrays are predicted using a Monte Carlo technique to include phonon-boundary scattering …

We study the interaction of surface acoustic waves (SAWs) with a contact-based vibrational
resonance of 1 μ m silica microspheres forming a two-dimensional granular crystal adhered …

Second sound refers to the phenomenon of heat propagation as temperature waves in the
phonon hydrodynamic transport regime. We directly observe second sound in graphite at …

Many of the renewable and sustainable energy technologies employ novel nanomaterials.
For instance, thermal storage and thermoelectric conversion are in constant progress due to …