Abstract

The mechanism of the solid state reaction between a PbS-crystal and polycrystalline CdTe is investigated by use of an electron microprobe. It can be shown that the reaction is composed of an interdiffusion of Pb and Cd and of a diffusion of Cd and Te in the same direction. The kinetics of this reaction are described by a parabolic time law l 2= kt with K=6·6.10 −3 exp (−21000/RT) [cm 2/sec].

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