Donor and acceptor behavior of gold in silicon

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Abstract
We have investigated by capacitance transient spectroscopy concentration profiles of gold produced by electrotransport and concentration variations by pairing of gold with iron in p-type silicon. We have found that the line amplitude of the gold donor and that of the gold acceptor have a constant radio independent of gold concentration, diffusion temperature, and of gold-iron-pair concentration. From this result we conclude that the two levels are associated with one gold species in silicon.
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