48 citations · 219 across the 19 of their papers we have counts for
19 papers
Persistence and emergence of quantum defects through pressure-induced phase changes
Alexander J Healey, Alan Salek, Christopher T-K Lew +15
Extreme pressures can transform materials and their properties, but probing these in-situ is made challenging by the small sample volumes and access requirements demanded by diamon…
Optical spin defect pairs in cubic boron nitride
Josiah E. Hsi, Islay O. Robertson, Abhijit Biswas +9
Room-temperature optically active solid-state spin defects are widely known to be useful in quantum sensing applications, however, only a select range of materials have been found…
Omnidirectional magnetic imaging of magnetic anisotropy and phase transitions
Alexander J Healey, Kaijian Xing, Weiyao Zhao +7
Micron scale imaging of magnetic fields is an important tool for understanding the evolution of magnetism through phase transitions and as a result of interactions inside of hetero…
Spin-dependent photoluminescence in carbon-based quantum dots
Erin S. Grant, Joseph F. Olorunyomi, Sam C. Scholten +12
The ability to modulate the photoluminescence (PL) of nanomaterials via spin-related effects is vital for many emerging quantum technologies, with nanoscale quantum sensing and ima…
Generation of narrowband quantum emitters in hBN with optically addressable spins
Benjamin Whitefield, Helen Zhi Jie Zeng, James Liddle-Wesolowski +8
Electron spins coupled with optical transitions in solids stand out as a promising platform for developing spin-based quantum technologies. Recently, hexagonal boron nitride (hBN)…
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…
Stray magnetic field imaging of thin exfoliated iron halides flakes
Fernando Meneses, Rongrong Qi, Alexander J. Healey +8
Magnetic van der Waals materials are often proposed for use in future spintronic devices, aiming to leverage the combination of long-range magnetic order and near-atomic thinness t…
Multi-species optically addressable spin defects in a van der Waals material
Sam C. Scholten, Priya Singh, Alexander J. Healey +11
Optically addressable spin defects hosted in two-dimensional van der Waals materials represent a new frontier for quantum technologies, promising to lead to a new class of ultrathi…
Handheld device for non-contact thermometry via optically detected magnetic resonance of proximate diamond sensors
G. J. Abrahams, E. Ellul, I. O. Robertson +4
Optically detected magnetic resonance (ODMR) spectroscopy of defect-rich semiconductors is being increasingly exploited for realising a variety of practical quantum sensing devices…
Detection of paramagnetic spins with an ultrathin van der Waals quantum sensor
Islay O. Robertson, Sam C. Scholten, Priya Singh +8
Detecting magnetic noise from small quantities of paramagnetic spins is a powerful capability for chemical, biochemical, and medical analysis. Quantum sensors based on optically ad…
Aberration control in quantitative widefield quantum microscopy
S. C. Scholten, I. O. Robertson, G. J. Abrahams +3
Widefield quantum microscopy based on nitrogen-vacancy (NV) centres in diamond has emerged as a powerful technique for quantitative mapping of magnetic fields with a sub-micron res…
Imaging current control of magnetization in FeGeTe with a widefield nitrogen-vacancy microscope
Islay O. Robertson, Cheng Tan, Sam C. Scholten +6
Van der Waals (vdW) magnets are appealing candidates for realising spintronic devices that exploit current control of magnetization (e.g. switching or domain wall motion), but so f…
Varied magnetic phases in a van der Waals easy-plane antiferromagnet revealed by nitrogen-vacancy center microscopy
A. J. Healey, S. Rahman, S. C. Scholten +7
Interest in van der Waals materials often stems from a desire to miniaturise existing technologies by exploiting their intrinsic layered structure to create near atomically-thin co…
Imaging current paths in silicon photovoltaic devices with a quantum diamond microscope
S. C. Scholten, G. J. Abrahams, B. C. Johnson +11
Magnetic imaging with nitrogen-vacancy centers in diamond, also known as quantum diamond microscopy, has emerged as a useful technique for the spatial mapping of charge currents in…