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 ...

A researcher at the Department of Physics at Tohoku University has uncovered a surprising quantum phenomenon hidden inside ordinary crystals: the strength of interactions between electrons and lattice ...

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 ...

This makes phonon-polaritons ideal for high-tech applications like sub-wavelength imaging, molecular sensors, and heat management within electronics. However, research on phonon-polariton waves has ...

Physicists have developed a new technique to probe elementary quantum excitations of atomic vibrations inside a diamond crystal under ambient conditions. The technique uses ultra-short laser pulses ...