Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.097603
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Funding
- ARC [DP120102232]
- EU via project SQUTEC
- EU via project DIADEMS
- EU via project Diamant
- DFG [SFB/TR21]
- DFG via research group 1493 Diamond quantum materials
- DFG via research group 1482
- Volkswagen Foundation
- BMBF via program QuORep
- BMBF via program Q.Com
- BMBF via program ChistEra
- Max Planck Society
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Single charge nanoscale detection in ambient conditions is a current frontier in metrology that has diverse interdisciplinary applications. Here, such single charge detection is demonstrated using two nitrogen-vacancy (NV) centers in diamond. One NV center is employed as a sensitive electrometer to detect the change in electric field created by the displacement of a single electron resulting from the optical switching of the other NV center between its neutral (NV0) and negative (NV-) charge states. As a consequence, our measurements also provide direct insight into the charge dynamics inside the material.
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