Electron paramagnetic resonance and photochromism of ${\mathrm{N}}_3{\mathrm{V}}^0$ in diamond

B. L. Green, B. G. Breeze, M. E. Newton

The defect in diamond formed by a vacancy surrounded by three nearest-neighbor nitrogen atoms and one carbon atom, ${\mathrm{N}}_3\mathrm{V}$, is found in $\approx 98\%$ of natural…