Optically detected magnetic resonance of nitrogen-vacancy centers in microdiamonds inside nanopolycrystalline diamond anvil cell
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866910029525811200 |
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| author | Ohkuma, Masahiro Arai, Keigo Ohta, Kenji Shinmei, Toru Matsumoto, Ryo Takano, Yoshihiko Irifune, Tetsuo |
| author_facet | Ohkuma, Masahiro Arai, Keigo Ohta, Kenji Shinmei, Toru Matsumoto, Ryo Takano, Yoshihiko Irifune, Tetsuo |
| contents | We demonstrated optically detected magnetic resonance (ODMR) of nitrogen-vacancy (NV) centers in microdiamonds inside a diamond anvil cell pressurized with nanopolycrystalline diamond (NPD) anvils. NPD exhibits high optical transparency, superior hardness, and low thermal conductivity, making it suitable for optical and spectroscopic measurements under high-pressure and high-temperature conditions. We observed the ODMR signal from an ensemble of NV centers under conditions where NV centers in microdiamonds served as markers for pressures exceeding 30 GPa, with a culet diameter of 600 $μ$m. We also performed ODMR measurements on multiple microdiamonds sealed inside a sample chamber and found that the resonance frequency varied with the pressure distribution. The combination of NPD and microdiamonds containing NV centers is auspicious for pressure and magnetic sensing under concurrent high-pressure and high-temperature conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_13634 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optically detected magnetic resonance of nitrogen-vacancy centers in microdiamonds inside nanopolycrystalline diamond anvil cell Ohkuma, Masahiro Arai, Keigo Ohta, Kenji Shinmei, Toru Matsumoto, Ryo Takano, Yoshihiko Irifune, Tetsuo Materials Science We demonstrated optically detected magnetic resonance (ODMR) of nitrogen-vacancy (NV) centers in microdiamonds inside a diamond anvil cell pressurized with nanopolycrystalline diamond (NPD) anvils. NPD exhibits high optical transparency, superior hardness, and low thermal conductivity, making it suitable for optical and spectroscopic measurements under high-pressure and high-temperature conditions. We observed the ODMR signal from an ensemble of NV centers under conditions where NV centers in microdiamonds served as markers for pressures exceeding 30 GPa, with a culet diameter of 600 $μ$m. We also performed ODMR measurements on multiple microdiamonds sealed inside a sample chamber and found that the resonance frequency varied with the pressure distribution. The combination of NPD and microdiamonds containing NV centers is auspicious for pressure and magnetic sensing under concurrent high-pressure and high-temperature conditions. |
| title | Optically detected magnetic resonance of nitrogen-vacancy centers in microdiamonds inside nanopolycrystalline diamond anvil cell |
| topic | Materials Science |
| url | https://arxiv.org/abs/2507.13634 |