Diffusion of Nitrogen in diamond

The generation of NV centers in diamond is an essential task of quantum technology. NV centers can be used as qubits in quantum computers. For this task it is necessary to address single NVs and to generate them deterministically. The latter is not yet possible and should be the subject of this investigation. It should be clarified whether near-surface nitrogen diffuses. For this purpose, high-purity diamonds are irradiated with 15N, annealed at high temperature and investigated at the University of Munich with ERDA. A complimentary investigation with protons 15N(p,gamma) in Bochum would also be very helpful.

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