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Imaging magnetic switching in orthogonally twisted stacks of a van der Waals antiferromagnet
Alexander J Healey, Cheng Tan, Boris Gross +9
Stacking van der Waals magnets holds promise for creating new hybrid materials with properties that do not exist in bulk materials. Here we investigate orthogonally twisted stacks…
Radiofrequency receiver based on isotropic solid-state spins
Islay O. Robertson, Brett C. Johnson, Giannis Thalassinos +5
Optically addressable solid-state spins have been proposed as robust radiofrequency (RF)-optical transducers sensitive to a specific RF frequency tuned by an external static magnet…
Violet to near-infrared optical addressing of spin pairs in hexagonal boron nitride
Priya Singh, Islay O. Robertson, Sam C. Scholten +9
Optically addressable solid-state spins are an important platform for practical quantum technologies. Van der Waals material hexagonal boron nitride (hBN) is a promising host as it…
Towards high spatial resolution magnetic imaging with a compact practical quantum diamond microscope
Kevin J. Rietwyk, Alex Shaji, Islay O. Robertson +6
Widefield quantum diamond microscopy is a powerful technique for imaging magnetic fields with high sensitivity and spatial resolution. However, current methods to approach the ulti…
A charge transfer mechanism for optically addressable solid-state spin pairs
Islay O. Robertson, Benjamin Whitefield, Sam C. Scholten +9
Optically detected magnetic resonance (ODMR) with no resolvable zero-field splitting has been observed from emitters in hexagonal boron nitride across a broad range of wavelengths,…
A compact, portable device for microscopic magnetic imaging based on diamond quantum sensors
Alex Shaji, Kevin J. Rietwyk, Islay O. Robertson +3
Magnetic imaging based on ensembles of diamond nitrogen-vacancy quantum sensors has emerged as a useful technique for the spatial characterisation of magnetic materials and current…
Optimisation of electron irradiation for creating spin ensembles in hexagonal boron nitride
Alexander J Healey, Priya Singh, Islay O Robertson +9
Boron vacancy centre () ensembles in hexagonal boron nitride (hBN) have attracted recent interest for their potential as two-dimensional solid-state quantum sensors. I…
3D-mapping and manipulation of photocurrent in an optoelectronic diamond device
A. A. Wood, D. J. McCloskey, N. Dontschuk +10
Characterising charge transport in a material is central to the understanding of its electrical properties, and can usually only be inferred from bulk measurements of derived quant…
Optimized Current Density Reconstruction from Widefield Quantum Diamond Magnetic Field Maps
Siddhant Midha, Madhur Parashar, Anuj Bathla +3
Quantum Diamond Microscopy using Nitrogen-Vacancy (NV) defects in diamond crystals has enabled the magnetic field imaging of a wide variety of nanoscale current profiles. Intimatel…