Scanning nitrogen-vacancy magnetometry down to 350mK
arXiv:2203.15527 · doi:10.1063/5.0093548
Abstract
We report on the implementation of a scanning nitrogen-vacancy (NV) magnetometer in a dry dilution refrigerator. Using pulsed optically detected magnetic resonance combined with efficient microwave delivery through a co-planar waveguide, we reach a base temperature of 350 mK, limited by experimental heat load and thermalization of the probe. We demonstrate scanning NV magnetometry by imaging superconducting vortices in a 50-nm-thin aluminum microstructure. The sensitivity of our measurements is approximately 3 μT per square root Hz. Our work demonstrates the feasibility for performing non-invasive magnetic field imaging with scanning NV centers at sub-Kelvin temperatures.
References in corpus (30)
- Magic-angle graphene superlattices: a new platform for unconventional superconductivity
- Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene
- Direct imaging of the coexistence of ferromagnetism and superconductivity at the LaAlO3/SrTiO3 interface
- A robust, scanning quantum system for nanoscale sensing and imaging
- High-fidelity projective readout of a solid-state spin quantum register
- Avoiding power broadening in optically detected magnetic resonance of single NV defects for enhanced DC-magnetic field sensitivity
- Scanning magnetic field microscope with a diamond single-spin sensor
- Probing magnetism in 2D materials at the nanoscale with single spin microscopy
- Imaging viscous flow of the Dirac fluid in graphene
- Real-space imaging of non-collinear antiferromagnetic order with a single spin magnetometer
- Quantum imaging of current flow in graphene
- Low temperature studies of the excited-state structure of Nitrogen-Vacancy color centers in diamond
- Persistent currents in normal metal rings
- Scanned probe imaging of nanoscale magnetism at cryogenic temperatures with a single-spin quantum sensor
- Quantitative nanoscale vortex-imaging using a cryogenic quantum magnetometer
- Fundamental studies of superconductors using scanning magnetic imaging
- Imaging phonon-mediated hydrodynamic flow in WTe2
- Magnetic domains and domain wall pinning in two-dimensional ferromagnets revealed by nanoscale imaging
- Nanoscale imaging of current density with a single-spin magnetometer
- Technical Review: Imaging weak magnetic field patterns on the nanometer-scale and its application to 2D materials
- Time-averaging within the excited state of the nitrogen-vacancy centre in diamond
- Nanoscale imaging of equilibrium quantum Hall edge currents and of the magnetic monopole response in graphene
- Nanomagnetism of magnetoelectric granular thin-film antiferromagnets
- Co-existence of Bloch and Neel walls in a collinear antiferromagnet
- Characterization of room-temperature in-plane magnetization in thin flakes of CrTe with a single spin magnetometer
- Field dependence of the vortex core size probed by STM
- Vibration isolation with high thermal conductance for a cryogen-free dilution refrigerator
- Design of a scanning gate microscope in a cryogen-free dilution refrigerator
- Imaging of sub-A currents in bilayer graphene using a scanning diamond magnetometer
- Scanning nitrogen-vacancy center magnetometry in large in-plane magnetic fields
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- Diamond Integrated Quantum Photonics: A Review
- Colloquium: Quantum Properties and Functionalities of Magnetic Skyrmions
- Temperature dependence of photoluminescence intensity and spin contrast in nitrogen-vacancy centers
- Preparation of Metrological States in Dipolar-Interacting Spin Systems
- Modeling temperature-dependent population dynamics in the excited state of the nitrogen-vacancy center in diamond
- Nitrogen-vacancy magnetometry of CrSBr by diamond membrane transfer
- Scanning SQUID-on-tip microscope in a top-loading cryogen-free dilution refrigerator
- Surface Cooper pair spin waves in triplet superconductors
- Characterization of two fast-turnaround dry dilution refrigerators for scanning probe microscopy
- Miniaturized magnetic-field sensor based on nitrogen-vacancy centers
- Studying Critical Parameters of Superconductor via Diamond Quantum Sensors
- Diamond-on-chip infrared absorption magnetic field camera
- Widefield NV Magnetic Field Reconstruction for Probing the Meissner Effect and Critical Current Density under Pressure