Nanoscale Vector Electric Field Imaging Using a Single Electron Spin
Autor: | Neil B. Manson, Andrej Denisenko, Marcus W. Doherty, Jörg Wrachtrup, Liam P. McGuinness, Lachlan M. Oberg, Michael S. J. Barson |
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Rok vydání: | 2021 |
Předmět: |
FOS: Physical sciences
Bioengineering Applied Physics (physics.app-ph) 02 engineering and technology engineering.material Single electron Electric field Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Microscopy General Materials Science Center (algebra and category theory) Nanoscopic scale Quantum Spin-½ Physics Quantum Physics Condensed Matter - Mesoscale and Nanoscale Physics Condensed matter physics Mechanical Engineering Diamond Physics - Applied Physics General Chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics engineering Quantum Physics (quant-ph) 0210 nano-technology Optics (physics.optics) Physics - Optics |
Zdroj: | Nano Letters. 21:2962-2967 |
ISSN: | 1530-6992 1530-6984 |
DOI: | 10.1021/acs.nanolett.1c00082 |
Popis: | The ability to perform nanoscale electric field imaging of elementary charges at ambient temperatures will have diverse interdisciplinary applications. While the nitrogen-vacancy (NV) center in diamond is capable of high-sensitivity electrometry, demonstrations have so far been limited to macroscopic field features or detection of single charges internal to diamond itself. In this work we greatly extend these capabilities by using a shallow NV center to image the electric field of a charged atomic force microscope tip with nanoscale resolution. This is achieved by measuring Stark shifts in the NV spin-resonance due to AC electric fields. To achieve this feat we employ for the first time, the integration of Qdyne with scanning quantum microscopy. We demonstrate near single charge sensitivity of $\eta_e = 5.3$ charges/$\sqrt{\text{Hz}}$, and sub-charge detection ($0.68e$). This proof-of-concept experiment provides the motivation for further sensing and imaging of electric fields using NV centers in diamond. |
Databáze: | OpenAIRE |
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