Lattice thermal conductivity strongly affects the applications of materials related to thermal functionality, such as thermal management, thermal barrier coatings and thermoelectrics. In order to ...

Phonons—the quasiparticle describing lattice vibrations in solids—directly dictates various properties of solid state systems, such as the thermal conductivity, electron mobility, structural stability ...

Electric field thermal conductivity ceramic research at Oak Ridge National Laboratory has tripled heat flow in a specialized ...

WEST LAFAYETTE, Ind. – New findings have solved a longstanding obstacle in research to understand the effects of heat conduction in solid materials, a critical issue in many applications, from energy ...

Surface plasmon polaritons and surface phonon polaritons, thanks to their high spatial confinement, present new opportunities to enhance light-matter interaction in 2D materials. Furthermore, they are ...

Scientists have taken lasers beyond light and into the realm of sound, creating a breakthrough “phonon laser” that manipulates tiny vibrations at the quantum level. By dramatically reducing noise in ...

Sound engineering: The new device is a chip-based single-phonon directional coupler that carries out controllable phonon splitting. It could enable microscopic on-chip routers and splitters that link ...

Scientists expand the scope of the quantum Monte Carlo framework by reducing the error in calculation of atomic forces in solids Ishikawa, Japan - The focus and ...