High-quality nanostructured diamond membranes for nanoscale quantum sensing
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arXiv
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| Format: | Preprint |
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2025
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| author | Tabrizi, Alexander Pakpour Lozovoi, Artur Karg, Sean Mondandon, Tecla Bottinelli Leung, Melody Cheng, Kai-Hung de Leon, Nathalie P. |
| author_facet | Tabrizi, Alexander Pakpour Lozovoi, Artur Karg, Sean Mondandon, Tecla Bottinelli Leung, Melody Cheng, Kai-Hung de Leon, Nathalie P. |
| contents | Deploying nitrogen vacancy (NV) centers in diamond as nanoscale quantum sensors for condensed matter and materials physics requires placing the NV centers close to the sensing target. One solution is to fabricate diamond nanostructures and integrate them with materials and devices. However, diamond etching and ion milling can introduce subsurface damage and surface defects that degrade the charge stability and spin coherence of NV centers near the surface. Here we report a procedure for fabricating low-damage nanostructured diamond membranes, and we show that this fabrication scheme preserves the optical and spin properties of state-of-the-art shallow NV center quantum sensors, within nanometers of the diamond surface, while providing significant photonic enhancement. Furthermore, we demonstrate a pick-and-place transfer method, which enables integration with diverse sensing targets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_08632 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-quality nanostructured diamond membranes for nanoscale quantum sensing Tabrizi, Alexander Pakpour Lozovoi, Artur Karg, Sean Mondandon, Tecla Bottinelli Leung, Melody Cheng, Kai-Hung de Leon, Nathalie P. Mesoscale and Nanoscale Physics Materials Science Quantum Physics Deploying nitrogen vacancy (NV) centers in diamond as nanoscale quantum sensors for condensed matter and materials physics requires placing the NV centers close to the sensing target. One solution is to fabricate diamond nanostructures and integrate them with materials and devices. However, diamond etching and ion milling can introduce subsurface damage and surface defects that degrade the charge stability and spin coherence of NV centers near the surface. Here we report a procedure for fabricating low-damage nanostructured diamond membranes, and we show that this fabrication scheme preserves the optical and spin properties of state-of-the-art shallow NV center quantum sensors, within nanometers of the diamond surface, while providing significant photonic enhancement. Furthermore, we demonstrate a pick-and-place transfer method, which enables integration with diverse sensing targets. |
| title | High-quality nanostructured diamond membranes for nanoscale quantum sensing |
| topic | Mesoscale and Nanoscale Physics Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2511.08632 |