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May 13, 2024

Highly 28Si enriched silicon by localised focused ion beam implantation

Posted by in categories: computing, quantum physics

Silicon spin qubits are promising for the realisation of scalable quantum computing platforms but their coherence times in natural silicon are limited by the non-zero nuclear spin of the 29Si isotope. Here, enriched 28 Si down to 2.3 ppm residual 29Si is obtained by focused ion beam implantation.

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