Table 1 Details on sample preparation and characteristics
From: Longitudinal spin relaxation in nitrogen-vacancy ensembles in diamond
Sample | Synthesis | [N] (ppm) | [NV − ] (ppm) | Radiation dose (cm −2 ) | Annealing (°C) |
|---|---|---|---|---|---|
E1 | HPHT | <200 | 18 | 1018 | 650 |
E2 | HPHT | <200 | 20 | 1018 | 650 |
S5 | HPHT | <200 | 40 | 8 × 1017 | 700 |
W5 | HPHT | <200 | 2 | 1.5 × 1017 | 750 |
E8 | CVD | <1 | 0.02 | 1016 | 650 |