GPa Pressure Imaging Using Nanodiamond Quantum Sensors
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866917091229040640 |
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| author | Suda, Ryotaro Uriu, Kenshin Yamamoto, Kouki Sasaki, Misaki Sasaki, Kento Einaga, Mari Shimizu, Katsuya Kobayashi, Kensuke |
| author_facet | Suda, Ryotaro Uriu, Kenshin Yamamoto, Kouki Sasaki, Misaki Sasaki, Kento Einaga, Mari Shimizu, Katsuya Kobayashi, Kensuke |
| contents | We demonstrate wide-field optical microscopy of the pressure distribution at approximately 20 GPa in a diamond anvil cell (DAC), using nitrogen-vacancy (NV) centers in nanodiamonds (NDs) as quantum sensors. Pressure and non-hydrostaticity maps are obtained by fitting optically detected magnetic resonance (ODMR) spectra with models incorporating hydrostatic and uniaxial stress conditions. Two methods for introducing NDs with a pressure-transmitting medium are compared, revealing that the embedding approach affects the degree of non-hydrostaticity. This ND-based technique offers a powerful imaging platform for probing pressure-induced phenomena and is extendable to other physical quantities such as magnetic fields. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_09058 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | GPa Pressure Imaging Using Nanodiamond Quantum Sensors Suda, Ryotaro Uriu, Kenshin Yamamoto, Kouki Sasaki, Misaki Sasaki, Kento Einaga, Mari Shimizu, Katsuya Kobayashi, Kensuke Materials Science Quantum Physics We demonstrate wide-field optical microscopy of the pressure distribution at approximately 20 GPa in a diamond anvil cell (DAC), using nitrogen-vacancy (NV) centers in nanodiamonds (NDs) as quantum sensors. Pressure and non-hydrostaticity maps are obtained by fitting optically detected magnetic resonance (ODMR) spectra with models incorporating hydrostatic and uniaxial stress conditions. Two methods for introducing NDs with a pressure-transmitting medium are compared, revealing that the embedding approach affects the degree of non-hydrostaticity. This ND-based technique offers a powerful imaging platform for probing pressure-induced phenomena and is extendable to other physical quantities such as magnetic fields. |
| title | GPa Pressure Imaging Using Nanodiamond Quantum Sensors |
| topic | Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2506.09058 |