Infiltration of diffusing particles from one material to another, where the diffusion mechanism is either normal or anomalous, is a widely observed phenomenon. Starting with an underlying continuous-time random-walk model, we derive the boundary conditions for the diffusion equations describing this problem. We discuss a simple method showing how the boundary conditions can be determined from e...

The motion of molecules on solid surfaces is of interest for technological applications, but it is also a theoretical challenge. We study the deterministic and thermal diffusive dynamics of a dimer moving on a periodic substrate. The deterministic motion of the dimer displays strongly nonlinear features and chaotic behavior. The dimer thermal diffusive dynamics deviates from simple Arrhenius be...

Thermal interface conductance was measured for soluble gold nanorods (NRs) coated with mercaptocarboxylic acids (HS-(CH(2))(n)COOH, n = 5, 10, 15), thiolated polyethylene glycols (MW = 356, 1000, 5000), and HS-(CH(2))(15)-COOH-coated NRs further coated with alternating layers of poly(diallyldimethylammonium chloride) and poly(sodium styrenesulfonate). Ferguson analysis determined ligand thickne...

Suspended semiconductor structures with high thermal isolation provide high temperature sensitivity of the dissipated thermal power. Therefore they can be used to obtain essential information about the underlying mechanisms of anti-Stokes laser cooling. Here, we experimentally investigate the electron-hole pair recombination processes in suspended and non-suspended MQW structures from 77 K up t...

High-temperature transport properties (viscosity, thermal conductivity, binary and multicomponent mass diffusion, and thermal diffusion) of dissociating gases of the Earth and Martian atmospheres have been calculated within the framework of the Chapman-Enskog method. The exponential repulsion potentials of interactions between atoms (N, 0 , and C) and molecules (N,, 0,, NO, C,, CN, CO, and CO,)...

The present article deals with the study of propagation of plane waves in isotropic generalized thermoelastic diffusion with voids under initial stress. It is found that, for two dimensional model of isotropic generalized thermoelastic diffusion with voids under initial stress, there exists four coupled waves namely, P wave, Mass Diffusion (MD) wave, thermal (T) wave and Volume Fraction (VF) wa...

In this letter, we report a novel V-doped SrTiO3 photocatalyst synthesized via electrospinning followed by a thermal diffusion process at low temperature. The morphological and crystalline structural investigations reveal not only that the V-doped SrTiO3 photocatalyst possesses a uniform, porous, fibrous structure, but also that some V(5+) ions are introduced into the SrTiO3 lattice. The photoc...