Abstract:The general boundary conditions for the thermal diffusion equation are obtained. It is shown that in the general case of a nonstationary photothermal process these boundary conditions must include both the surface thermal conductivity and surface thermal capacity. One more parameter, the surface capacity thermal impedance, appears in the boundary conditions when the photothermal process is the thermal wave propagation.
“…The coefficients N s , P s , and K s depend upon the concentrations n and p. Since we investigate the case of a linear approximation, then these parameters we take at an equilibrium temperature T 0 and at equilibrium concentrations, n n, p 0 and p n, p 0 . Comparison of the value of K s with the obtained earlier boundary conditions [12,27] allows one to conclude that K s is the surface thermal conductivity [28].…”
Section: Structure Of the Boundary Conditionsmentioning
The article is devoted to analysis of the boundary conditions for the Peltier effect in semiconductors containing potential barriers (p-n junction). The full system of boundary conditions, taking into consideration the presence of nonequilibrium charge carriers, is offered. The surface recombination of charge carriers is taken into account for both the electric current and the propagation of heat.
“…The coefficients N s , P s , and K s depend upon the concentrations n and p. Since we investigate the case of a linear approximation, then these parameters we take at an equilibrium temperature T 0 and at equilibrium concentrations, n n, p 0 and p n, p 0 . Comparison of the value of K s with the obtained earlier boundary conditions [12,27] allows one to conclude that K s is the surface thermal conductivity [28].…”
Section: Structure Of the Boundary Conditionsmentioning
The article is devoted to analysis of the boundary conditions for the Peltier effect in semiconductors containing potential barriers (p-n junction). The full system of boundary conditions, taking into consideration the presence of nonequilibrium charge carriers, is offered. The surface recombination of charge carriers is taken into account for both the electric current and the propagation of heat.
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