Wide-field magnetometry with nitrogen-vacancy centers in randomly oriented micro-diamonds

• URL: http://arxiv.org/abs/2206.06337v2
• Date: Sun, 30 Oct 2022 13:18:28 GMT
• Title: Wide-field magnetometry with nitrogen-vacancy centers in randomly oriented micro-diamonds
• Authors: S. Sengottuvel, M. Mr\'ozek, M. Sawczak, M. J. G{\l}owacki, M. Ficek, W. Gawlik, and A. M. Wojciechowski
• Abstract summary: NV centers in arbitrarily oriented submicrometer-sized diamond powder can be used for sensing the magnetic field. Our work can be extended to irregular surfaces, which shows a promising path for nanodiamond-based photonic sensors.
• Score: 0.46906883107634084
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Magnetometry with nitrogen-vacancy color centers in diamond has gained significant interest among researchers in recent years. Absolute knowledge of the three-dimensional orientation of the magnetic field is necessary for many applications. Conventional magnetometry measurements are usually performed with NV ensembles in a bulk diamond with a thin NV layer or a scanning probe in the form of a diamond tip, which requires a smooth sample surface and proximity of the probing device, often limiting the sensing capabilities. Here, we present a method for determining the three-dimensional orientation of the magnetic field vector relative to the diamond crystal lattice. We demonstrate that NV centers in arbitrarily oriented submicrometer-sized diamond powder deposited on a planar surface can be used for sensing the magnetic field. Our work can be extended to irregular surfaces, which shows a promising path for nanodiamond-based photonic sensors.

Related papers

• Microscale Fiber-Integrated Vector Magnetometer with On-Tip Field Biasing using NV Ensembles in Diamond Microcystals [0.0]
  In quantum sensing of magnetic fields, ensembles of NV centers in diamond offer high sensitivity, high bandwidth and outstanding spatial resolution. Here, a novel approach is presented that utilizes a fiber-integrated microscale coil at the fiber tip to generate a localized uniaxial magnetic field. We demonstrate the measurement of vector magnetic fields in the full solid angle with a shot-noise limited sensitivity of $19.4:textrmnT/Hz1/2$ and microscale spatial resolution.
  arXiv  Detail & Related papers  (2024-04-22T11:20:10Z)
• All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in Diamond [52.77024349608834]
  Microwave or radio-frequency driving poses a significant limitation for miniaturization, energy-efficiency and non-invasiveness of quantum sensors. We overcome this limitation by demonstrating a purely optical approach to coherent quantum sensing. Our results pave the way for highly compact quantum sensors to be employed for magnetometry or gyroscopy applications.
  arXiv  Detail & Related papers  (2022-12-14T08:34:11Z)
• Toward deep-learning-assisted spectrally-resolved imaging of magnetic noise [52.77024349608834]
  We implement a deep neural network to efficiently reconstruct the spectral density of the underlying fluctuating magnetic field. These results create opportunities for the application of machine-learning methods to color-center-based nanoscale sensing and imaging.
  arXiv  Detail & Related papers  (2022-08-01T19:18:26Z)
• DC Quantum Magnetometry Below the Ramsey Limit [68.8204255655161]
  We demonstrate quantum sensing of dc magnetic fields that exceeds the sensitivity of conventional $Tast$-limited dc magnetometry by more than an order of magnitude. We used nitrogen-vacancy centers in a diamond rotating at periods comparable to the spin coherence time, and characterize the dependence of magnetic sensitivity on measurement time and rotation speed.
  arXiv  Detail & Related papers  (2022-03-27T07:32:53Z)
• Multi-Center Magnon Excitations Open the Entire Brillouin Zone to Terahertz Magnetometry of Quantum Magnets [42.72559625804617]
  The magnon density of states can be accessed over the entire Brillouin zone through three-center magnon excitations. The results of THz time-domain experiments agree remarkably well with linear spin-wave theory.
  arXiv  Detail & Related papers  (2022-03-08T19:04:24Z)
• Scanning nitrogen-vacancy center magnetometry in large in-plane magnetic fields [0.0]
  We report fabrication of scanning diamond probes from 110-cut diamond where the spin anisotropy axis lies in the scan plane. We show that these probes retain their sensitivity in large in-plane fields and demonstrate scanning magnetometry of the domain pattern of Co-NiO films in applied fields up to 40 mT.
  arXiv  Detail & Related papers  (2022-01-17T15:04:19Z)
• Nanoscale vector AC magnetometry with a single nitrogen-vacancy center in diamond [8.640305033813068]
  Detection of AC magnetic fields at the nanoscale is critical in applications ranging from fundamental physics to materials science. Isolated quantum spin defects, such as the nitrogen-vacancy center in diamond, can achieve the desired spatial resolution with high sensitivity. We propose and experimentally demonstrate a protocol that exploits a single NV to reconstruct the vectorial components of an AC magnetic field.
  arXiv  Detail & Related papers  (2021-03-22T17:48:40Z)
• Angle Locking of a Levitating Diamond using Spin-Diamagnetism [0.0]
  We report on angle locking of the crystalline axis of a trapped micro-diamond along an external magnetic field. Specifically, we use spin population inversion after a ground state level crossing of the NV center to turn the diamond into a diamagnet. The diamond crystalline axis naturally aligns to the magnetic field with high precision and in the absence of micro-wave, offering bright prospects for applications in biology and spin-mechanical platforms.
  arXiv  Detail & Related papers  (2021-02-26T18:30:04Z)
• Calibration-Free Vector Magnetometry Using Nitrogen-Vacancy Center in Diamond Integrated with Optical Vortex Beam [17.717145660576904]
  We report a new method to determine the orientation of individual nitrogen-vacancy (NV) centers in a bulk diamond. Optical vortex beam is used for optical excitation and scanning the NV center in a [111]-oriented diamond.
  arXiv  Detail & Related papers  (2021-02-04T05:22:21Z)
• Laser threshold magnetometry using green light absorption by diamond nitrogen vacancies in an external cavity laser [52.77024349608834]
  Nitrogen vacancy (NV) centers in diamond have attracted considerable recent interest for use in quantum sensing. We show theoretical sensitivity to magnetic field on the pT/sqrt(Hz) level is possible using a diamond with an optimal density of NV centers.
  arXiv  Detail & Related papers  (2021-01-22T18:58:05Z)
• An integrated magnetometry platform with stackable waveguide-assisted detection channels for sensing arrays [45.82374977939355]
  We present a novel architecture which allows us to create NV$-$-centers a few nanometers below the diamond surface. We experimentally verify the coupling efficiency, showcase the detection of magnetic resonance signals through the waveguides and perform first proof-of-principle experiments in magnetic field and temperature sensing. In the future, our approach will enable the development of two-dimensional sensing arrays facilitating spatially and temporally correlated magnetometry.
  arXiv  Detail & Related papers  (2020-12-04T12:59:29Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.