Room Temperature Relaxometry of Single Nitrogen Vacancy Centers in Proximity to α-RuCl3 Nanoflakes
At a Glance
Section titled “At a Glance”| Metadata | Details |
|---|---|
| Publication Date | 2024-04-08 |
| Journal | Nano Letters |
| Authors | Jitender Kumar, Dan Yudilevich, Ariel Smooha, Inbar Zohar, Arnab Pariari |
| Institutions | University of Stuttgart, Weizmann Institute of Science |
| Citations | 3 |
Abstract
Section titled “Abstract”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 the longitudinal relaxation time <i>T</i><sub>1</sub> of single NV centers to investigate the spin dynamics of nanometer-thin flakes of α-RuCl<sub>3</sub> at room temperature. We observe a significant reduction in the <i>T</i><sub>1</sub> in the presence of α-RuCl<sub>3</sub> in the proximity of NVs, which we attribute to paramagnetic spin noise confined in the 2D hexagonal planes. Furthermore, the <i>T</i><sub>1</sub> time exhibits a monotonic increase with an applied magnetic field. We associate this trend with the alteration of the spin and charge noise in α-RuCl<sub>3</sub> under an external magnetic field. These findings suggest that the influence of the spin dynamics of α-RuCl<sub>3</sub> on the <i>T</i><sub>1</sub> of the NV center can be used to gain information about the material itself and the technique to be used on other 2D materials.