A single spin in hexagonal boron nitride for vectorial quantum magnetometry
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866917753622888448 |
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| author | Gilardoni, Carmem M. Barker, Simone Eizagirre Curtin, Catherine L. Fraser, Stephanie A. Powell, Oliver. F. J. Lewis, Dillon K. Deng, Xiaoxi Ramsay, Andrew J. Li, Chi Aharonovich, Igor Tan, Hark Hoe Atatüre, Mete Stern, Hannah L. |
| author_facet | Gilardoni, Carmem M. Barker, Simone Eizagirre Curtin, Catherine L. Fraser, Stephanie A. Powell, Oliver. F. J. Lewis, Dillon K. Deng, Xiaoxi Ramsay, Andrew J. Li, Chi Aharonovich, Igor Tan, Hark Hoe Atatüre, Mete Stern, Hannah L. |
| contents | Quantum sensing based on solid-state spin defects provides a uniquely versatile platform for imaging physical properties at the nanoscale under diverse environmental conditions. Operation of most sensors used to-date is based on projective measurement along a single axis combined with computational extrapolation. Here, we show that the individually addressable carbon-related spin defect in hexagonal boron nitride is a multi-axis spin system for vectorial nanoscale magnetometry. We demonstrate how its low symmetry and strongly spin-selective direct and reverse intersystem crossing dynamics provide sub-$μ$T/$\sqrt{\text{Hz}}$ magnetic-field sensitivity for both on and off-axis bias magnetic field exceeding 50 mT. Alongside these features, the room-temperature operation and the nanometer-scale proximity enabled by the van der Waals host material further consolidate this system as an exciting quantum sensing platform. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_10348 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A single spin in hexagonal boron nitride for vectorial quantum magnetometry Gilardoni, Carmem M. Barker, Simone Eizagirre Curtin, Catherine L. Fraser, Stephanie A. Powell, Oliver. F. J. Lewis, Dillon K. Deng, Xiaoxi Ramsay, Andrew J. Li, Chi Aharonovich, Igor Tan, Hark Hoe Atatüre, Mete Stern, Hannah L. Mesoscale and Nanoscale Physics Quantum Physics Quantum sensing based on solid-state spin defects provides a uniquely versatile platform for imaging physical properties at the nanoscale under diverse environmental conditions. Operation of most sensors used to-date is based on projective measurement along a single axis combined with computational extrapolation. Here, we show that the individually addressable carbon-related spin defect in hexagonal boron nitride is a multi-axis spin system for vectorial nanoscale magnetometry. We demonstrate how its low symmetry and strongly spin-selective direct and reverse intersystem crossing dynamics provide sub-$μ$T/$\sqrt{\text{Hz}}$ magnetic-field sensitivity for both on and off-axis bias magnetic field exceeding 50 mT. Alongside these features, the room-temperature operation and the nanometer-scale proximity enabled by the van der Waals host material further consolidate this system as an exciting quantum sensing platform. |
| title | A single spin in hexagonal boron nitride for vectorial quantum magnetometry |
| topic | Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2408.10348 |