Alignment of the diamond nitrogen vacancy center by strain engineering

  title={Alignment of the diamond nitrogen vacancy center by strain engineering},
  author={Todd Karin and Scott T. Dunham and Kai-Mei C. Fu},
  journal={Applied Physics Letters},
The nitrogen vacancy (NV) center in diamond is a sensitive probe of magnetic field and a promising qubit candidate for quantum information processing. The performance of many NV-based devices improves by aligning the NV(s) parallel to a single crystallographic direction. Using ab initio theoretical techniques, we show that NV orientation can be controlled by high-temperature annealing in the presence of strain under currently accessible experimental conditions. We find that (89 ± 7)% of NVs… Expand

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