Abstract
The kinetics of the activation of arsenic in Hg1−xCdxTe into an acceptor state is discussed based on a new model.1 In this model, it is assumed that the rate-limiting step is the out-diffusion of the excess tellurium that is produced as an arsenic atom jumps from a metal sublattice site to a tellurium sublattice site. In this paper, the model is extended to incorporate additional data from the literature. It is shown that arsenic activation can be accomplished by mercury-rich anneals in reasonable times, over a wide range of temperatures, extending as low as 250 C.
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