Imaging the local charge environment of nitrogen-vacancy centers in diamond
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2018-09-05 |
| Journal | GSI Repository (GSI Helmholtzzentrum fĆ¼r Schwerionenforschung) |
| Authors | Thomas Mittiga, Satcher Hsieh, Chong Zu, Bryce Kobrin, Francisco Machado |
| Institutions | Helmholtz Institute Mainz, Lawrence Berkeley National Laboratory |
| Citations | 4 |
Abstract
Section titled āAbstractāCharacterizing the local internal environment surrounding solid-state spin defects is crucial to harnessing them as nanoscale sensors of external fields. This is especially germane to the case of defect ensembles which can exhibit a complex interplay between interactions, internal fields and lattice strain. Working with the nitrogen-vacancy (NV) center in diamond, we demonstrate that local electric fields dominate the magnetic resonance behavior of NV ensembles at low magnetic field. We introduce a simple microscopic model that quantitatively captures the observed spectra for samples with NV concentrations spanning over two orders of magnitude. Motivated by this understanding, we propose and implement a novel method for the nanoscale localization of individual charges within the diamond lattice; our approach relies upon the fact that the charge induces an NV dark state which depends on the electric field orientation.