Electronic Properties and Metrology Applications of the DiamondNV−Center under Pressure

Abstract

The negatively charged nitrogen-vacancy (${\mathrm{NV}}^{-}$) center in diamond has realized new frontiers in quantum technology. Here, the optical and spin resonances of the ${\mathrm{NV}}^{-}$ center are observed under hydrostatic pressures up to 60 GPa. Our results motivate powerful new techniques to measure pressure and image high-pressure magnetic and electric phenomena. Additionally, molecular orbital analysis and semiclassical calculations provide insight into the effects of compression on the electronic orbitals of the ${\mathrm{NV}}^{-}$ center. DOI: http://dx.doi.org/10.1103/PhysRevLett.112.047601 © 2014 American Physical Society