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The electronic structure of Au + , Au 0 and Au - substitutional impurities in silicon are calculated within the framework of the self-consistent-field multiple-scattering molecular cluster model. The results show that centres behave basically as a 'perturbed' silicon vacancy with a filled gold-derived atomic d level localised below the bottom of the crystal valence band.
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Alves et al. (1984) studied this question.
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