A tool for NV diamond plate characterization with 10nm resolution

Image credit: pssa, https://onlinelibrary.wiley.com/doi/10.1002/pssa.202400541
Researchers Sergei Trofimov and Boris Naydenov from the Helmholtz Center in Berlin have advanced quantum sensing technology using Qnami Quantum Foundry diamond plates. In their work, they utilized nitrogen-vacancy (NV) centers in diamond, well-known for their applications in fields such as material science and biophysics. By combining confocal microscopy with atomic-force microscopy (AFM), they achieved nanoscale quantum sensing capabilities. Their setup, featuring platinum-coated and ferromagnetic cantilevers, enabled the sub-diffractional localization of NV centers with a lateral resolution of 13 nm, providing a powerful tool for precise characterization of NV diamonds or other color center materials.
 

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