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Specific heat is thought to be an intensive thermophysical property of a material independent of the dimensions of the body. Today, specific heat at the nanoscale is assumed the same as that of macroscopic bodies. In effect, the classical equipartition theorem of statistical mechanics is assumed at the nanoscale allowing atoms to have heat capacity at all thermal wavelengths. Therefore, classical...
Equilibrium molecular dynamics simulations are used to determine the transmission probability of oblique phonons scattering on flat and rough surfaces. The transmission is determined from the total energy change of the materials comprising the interface. We consider semiconductor films of silicon (Si) and germanium (Ge) as interfacing materials. A symmetric sawtooth (triangular) structure of varying...
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