Systematic characterization of nanoscale $h$-BN quantum sensor spots created by helium-ion microscopy
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arXiv
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| Autori principali: | , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909392806346752 |
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| author | Gu, Hao Tsukamoto, Moeta Nakamura, Yuki Nakaharai, Shu Iwasaki, Takuya Watanabe, Kenji Taniguchi, Takashi Ogawa, Shinichi Morita, Yukinori Sasaki, Kento Kobayashi, Kensuke |
| author_facet | Gu, Hao Tsukamoto, Moeta Nakamura, Yuki Nakaharai, Shu Iwasaki, Takuya Watanabe, Kenji Taniguchi, Takashi Ogawa, Shinichi Morita, Yukinori Sasaki, Kento Kobayashi, Kensuke |
| contents | The nanosized boron vacancy ($V_\mathrm{B}^-$) defect spot in hexagonal boron nitride ($h$-BN) is promising for a local magnetic field quantum sensor. One of its advantages is that a helium-ion microscope can make a spot at any location in an $h$-BN flake with nanometer accuracy. In this study, we investigate the properties of the created nanosized $V_\mathrm{B}^-$ defect spots by systematically varying three conditions: the helium-ion dose, the thickness of the $h$-BN flakes, and the substrate on which the $h$-BN flakes are attached. The physical background of the results obtained is successfully interpreted using Monte Carlo calculations. From the findings obtained here, a guideline for their optimal creation conditions is obtained to maximize its performance as a quantum sensor concerning sensitivity and localization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_10717 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Systematic characterization of nanoscale $h$-BN quantum sensor spots created by helium-ion microscopy Gu, Hao Tsukamoto, Moeta Nakamura, Yuki Nakaharai, Shu Iwasaki, Takuya Watanabe, Kenji Taniguchi, Takashi Ogawa, Shinichi Morita, Yukinori Sasaki, Kento Kobayashi, Kensuke Mesoscale and Nanoscale Physics Materials Science The nanosized boron vacancy ($V_\mathrm{B}^-$) defect spot in hexagonal boron nitride ($h$-BN) is promising for a local magnetic field quantum sensor. One of its advantages is that a helium-ion microscope can make a spot at any location in an $h$-BN flake with nanometer accuracy. In this study, we investigate the properties of the created nanosized $V_\mathrm{B}^-$ defect spots by systematically varying three conditions: the helium-ion dose, the thickness of the $h$-BN flakes, and the substrate on which the $h$-BN flakes are attached. The physical background of the results obtained is successfully interpreted using Monte Carlo calculations. From the findings obtained here, a guideline for their optimal creation conditions is obtained to maximize its performance as a quantum sensor concerning sensitivity and localization. |
| title | Systematic characterization of nanoscale $h$-BN quantum sensor spots created by helium-ion microscopy |
| topic | Mesoscale and Nanoscale Physics Materials Science |
| url | https://arxiv.org/abs/2411.10717 |