Do Palladium-dopant Pairs exist in Silicon?
The local structure and stability of an impurity complex of palladium in silicon has been studied on an atomic scale by perturbed angular correlation spectroscopy using the 100Pd/Rh probe nuclei. Palladium exists as an acceptor Pd- in n-type silicon and donor Pd+/2+ in p-type silicon. Owing to the Coulomb attraction between oppositely charged impurities, the probability of pair formation between palladium and dopants (P, As, Sb and B) seems to be quite favourable. In contrast, the impurity...[Show more]
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