6533b829fe1ef96bd128a5c1

RESEARCH PRODUCT

Imaging the local charge environment of nitrogen-vacancy centers in diamond

P. BhattacharyyaP. BhattacharyyaSoonwon ChoiDmitry BudkerDmitry BudkerChong ZuFrancisco MachadoThomas MittigaSatcher HsiehSatcher HsiehNicholas Z. RuiNorman Y. YaoNorman Y. YaoAndrey JarmolaAndrey JarmolaBryce KobrinBryce Kobrin

subject

General PhysicsGeneral Physics and AstronomyFOS: Physical sciences02 engineering and technologyengineering.material01 natural sciencesquant-phElectric fieldVacancy defect0103 physical sciencescond-mat.mes-hallMesoscale and Nanoscale Physics (cond-mat.mes-hall)Diamond cubic010306 general physicsSpin (physics)PhysicsQuantum PhysicsCondensed Matter - Mesoscale and Nanoscale PhysicsCondensed matter physicsDiamondCharge (physics)021001 nanoscience & nanotechnologyDark statePhysical Sciencesengineering0210 nano-technologyQuantum Physics (quant-ph)Order of magnitude

description

Characterizing 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.

https://dx.doi.org/10.48550/arxiv.1809.01668