Abstract
This paper analyses the transport of injected electrons and holes which are `hotter' than the lattice and non-isothermal. The continuity and momentum transport equations of the conventional isothermal theory are modified and supplemented by the equation of energy transport and thus enable the density, drift velocity and temperature distributions to be determined under given boundary conditions. The collision integrals entering into the analysis are evaluated for acoustical and optical mode scattering and solutions are given for steady state diffusion in a thin slab neglecting recombination. These solutions differ appreciably from isothermal ones.
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