Room temperature relaxometry of single nitrogen-vacancy centers in proximity to $α$-RuCl$_3$ nanoflakes
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866909179667546112 |
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| author | Kumar, Jitender Yudilevich, Dan Smooha, Ariel Zohar, Inbar Pariari, Arnab K. Stöhr, Rainer Denisenko, Andrej Hücker, Markus Finkler, Amit |
| author_facet | Kumar, Jitender Yudilevich, Dan Smooha, Ariel Zohar, Inbar Pariari, Arnab K. Stöhr, Rainer Denisenko, Andrej Hücker, Markus Finkler, Amit |
| contents | Investigating spin and charge noise in strongly correlated electron systems is a valuable way to analyze their physical properties and unlock new phases of matter. In this context, nitrogen-vacancy (NV) center-based magnetometry has been proven to be a versatile sensor for various classes of magnetic materials in broad temperature and frequency ranges. Here, we use longitudinal relaxation time $T_1$ of single NV centers to investigate the spin dynamics of nanometers-thin flakes of $α$-RuCl$_3$ at room temperature. We observe a significant reduction in the $T_1$ in the presence of $α$-RuCl$_3$ in proximity to our NVs, which we attribute to paramagnetic spin noise confined in the 2D hexagonal plane. Furthermore, the $T_1$ time exhibits an almost linear increase with an applied external magnetic field. We associate this trend with the alteration of spin and charge noise in $α$-RuCl$_3$ under an external magnetic field. These findings suggest that the influence of the room-temperature spin dynamics of $α$-RuCl$_3$ on the longitudinal relaxation time of the NV center can be used to gain information on the material itself and the technique to be used on other 2D materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_15541 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Room temperature relaxometry of single nitrogen-vacancy centers in proximity to $α$-RuCl$_3$ nanoflakes Kumar, Jitender Yudilevich, Dan Smooha, Ariel Zohar, Inbar Pariari, Arnab K. Stöhr, Rainer Denisenko, Andrej Hücker, Markus Finkler, Amit Mesoscale and Nanoscale Physics Materials Science Quantum Physics Investigating spin and charge noise in strongly correlated electron systems is a valuable way to analyze their physical properties and unlock new phases of matter. In this context, nitrogen-vacancy (NV) center-based magnetometry has been proven to be a versatile sensor for various classes of magnetic materials in broad temperature and frequency ranges. Here, we use longitudinal relaxation time $T_1$ of single NV centers to investigate the spin dynamics of nanometers-thin flakes of $α$-RuCl$_3$ at room temperature. We observe a significant reduction in the $T_1$ in the presence of $α$-RuCl$_3$ in proximity to our NVs, which we attribute to paramagnetic spin noise confined in the 2D hexagonal plane. Furthermore, the $T_1$ time exhibits an almost linear increase with an applied external magnetic field. We associate this trend with the alteration of spin and charge noise in $α$-RuCl$_3$ under an external magnetic field. These findings suggest that the influence of the room-temperature spin dynamics of $α$-RuCl$_3$ on the longitudinal relaxation time of the NV center can be used to gain information on the material itself and the technique to be used on other 2D materials. |
| title | Room temperature relaxometry of single nitrogen-vacancy centers in proximity to $α$-RuCl$_3$ nanoflakes |
| topic | Mesoscale and Nanoscale Physics Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2312.15541 |