Abstract

Using optical nuclear polarization (ONP) and nuclear magnetic resonance (NMR) techniques, the formation of Au atom clusters as a function of Gd concentration has been studied in gold-and gadolinium-doped silicon single crystals grown from the melt. A gadolinium concentration in a gold-doped silicon melt greater than 10 16 cm -3 is shown to prevent the resulting solid solution of gold in silicon from precipitating as agglomerates as the grown boules are allowed to cool to room temperature.

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