NEW VIEWS OF LIFE: QUANTUM IMAGING IN BIOLOGY

Quantum magnetic imaging of iron organelles within the pigeon cochlea

Robert W de Gille, Julia M McCoey, Liam T Hall, Jean-Philippe Tetienne, E Pascal Malkemper, David A Keays, Lloyd CL Hollenberg, David A Simpson

2021-11-23

The ability of pigeons to sense geomagnetic fields has been conclusively established despite a notable lack of determination of th..

Advances in the Surface Functionalization of Nanodiamonds for Biological Applications: A Review

Mina Barzegar Amiri Olia, Paul S Donnelly, Lloyd CL Hollenberg, Paul Mulvaney, David A Simpson

2021-10-04

Nanodiamonds (NDs) represent an emerging class of nanomaterials that have been used for a variety of applications including biosen..

Imaging Domain Reversal in an Ultrathin Van der Waals Ferromagnet

David A Broadway, Sam C Scholten, Cheng Tan, Nikolai Dontschuk, Scott E Lillie, Brett C Johnson, Guolin Zheng, Zhenhai Wang, Artem R Oganov, Shangjie Tian, Chenghe Li, Hechang Lei, Lan Wang, Lloyd CL Hollenberg, Jean-Philippe Tetienne

2020-10-01

The recent isolation of 2D van der Waals magnetic materials has uncovered rich physics that often differs from the magnetic behavi..

Improved Current Density and Magnetization Reconstruction Through Vector Magnetic Field Measurements

DA Broadway, SE Lillie, SC Scholten, D Rohner, N Dontschuk, P Maletinsky, J-P Tetienne, LCL Hollenberg

2020-08-26

Stray magnetic fields contain significant information about the electronic and magnetic properties of condensed matter systems. Fo..

Enhanced Widefield Quantum Sensing with Nitrogen-Vacancy Ensembles Using Diamond Nanopillar Arrays

Daniel J McCloskey, Nikolai Dontschuk, David A Broadway, Athavan Nadarajah, Alastair Stacey, Jean-Philippe Tetienne, Lloyd CL Hollenberg, Steven Prawer, David A Simpson

2020-03-18

Surface micro- and nano-patterning techniques are often employed to enhance the optical interface to single photoluminescent emitt..

Quantum Magnetic Imaging of Iron Biomineralization in Teeth of the Chiton Acanthopleura hirtosa

Julia M McCoey, Mirai Matsuoka, Robert W de Gille, Liam T Hall, Jeremy A Shaw, Jean-Philippe Tetienne, David Kisailus, Lloyd CL Hollenberg, David A Simpson

2020-03-13

Iron is critical for life. Nature capitalizes on the physical attributes of iron biominerals for functional, structural, and senso..

Quantum Bath Control with Nuclear Spin State Selectivity via Pulse-Adjusted Dynamical Decoupling

JE Lang, DA Broadway, GAL White, LT Hall, A Stacey, LCL Hollenberg, TS Monteiro, J-P Tetienne

2019-11-22

Dynamical decoupling (DD) is a powerful method for controlling arbitrary open quantum systems. In quantum spin control, DD general..

Imaging Graphene Field-Effect Transistors on Diamond Using Nitrogen-Vacancy Microscopy

Scott E Lillie, Nikolai Dontschuk, David A Broadway, Daniel L Creedon, Lloyd CL Hollenberg, Jean-Philippe Tetienne

2019-08-09

The application of imaging techniques based on ensembles of nitrogen-vacancy (N-V) sensors in diamond to characterize electrical d..

Microscopic Imaging of the Stress Tensor in Diamond Using in Situ Quantum Sensors

DA Broadway, BC Johnson, MSJ Barson, SE Lillie, N Dontschuk, DJ McCloskey, A Tsai, T Teraji, DA Simpson, A Stacey, JC McCallum, JE Bradby, MW Doherty, LCL Hollenberg, J-P Tetienne

2019-07-01

The precise measurement of mechanical stress at the nanoscale is of fundamental and technological importance. In principle, all si..

Rapid, High-Resolution Magnetic Microscopy of Single Magnetic Microbeads

Julia M McCoey, Robert W de Gille, Babak Nasr, Jean-Philippe Tetienne, Liam T Hall, David A Simpson, Lloyd CL Hollenberg

2019-05-01

Magnetic microparticles or “beads” are used in a variety of research applications from cell sorting through to optical force tract..

Evidence for Primal sp(2) Defects at the Diamond Surface: Candidates for Electron Trapping and Noise Sources

Alastair Stacey, Nikolai Dontschuk, Jyh-Pin Chou, David A Broadway, Alex K Schenk, Michael J Sear, Jean-Philippe Tetienne, Alon Hoffman, Steven Prawer, Chris I Pakes, Anton Tadich, Nathalie P de Leon, Adam Gali, Lloyd CL Hollenberg

2019-02-08

Many advanced applications of diamond materials are now being limited by unknown surface defects, including in the fields of high ..

Apparent delocalization of the current density in metallic wires observed with diamond nitrogen-vacancy magnetometry

J-P Tetienne, N Dontschuk, DA Broadway, SE Lillie, T Teraji, DA Simpson, A Stacey, LCL Hollenberg

2019-01-29

We report on a quantitative analysis of the magnetic field generated by a continuous current running in metallic microwires fabric..

Nonvanishing effect of detuning errors in dynamical-decoupling-based quantum sensing experiments

JE Lang, T Madhavan, J-P Tetienne, DA Broadway, LT Hall, T Teraji, TS Monteiro, A Stacey, LCL Hollenberg

2019-01-09

Characteristic dips appear in the coherence traces of a probe qubit when dynamical decoupling (DD) is applied in synchrony with th..

Magnetic noise from ultrathin abrasively deposited materials on diamond

Scott E Lillie, David A Broadway, Nikolai Dontschuk, Ali Zavabeti, David A Simpson, Tokuyuki Teraji, Torben Daeneke, Lloyd CL Hollenberg, Jean-Philippe Tetienne

2018-11-08

Sensing techniques based on the negatively charged nitrogen-vacancy (NV) center in diamond have emerged as promising candidates to..

Spatial mapping of band bending in semiconductor devices using in situ quantum sensors

DA Broadway, N Dontschuk, A Tsai, SE Lillie, CT-K Lew, JC McCallum, BC Johnson, MW Doherty, A Stacey, LCL Hollenberg, J-P Tetienne

2018-09-01

Local variations in the charge distribution at semiconductor interfaces can lead to energy level band bending in the structure’s b..

Impact of Surface Functionalization on the Quantum Coherence of Nitrogen-Vacancy Centers in Nanodiamonds

Robert G Ryan, Alastair Stacey, Kane M O'Donnell, Takeshi Ohshima, Brett C Johnson, Lloyd CL Hollenberg, Paul Mulvaney, David A Simpson

2018-04-18

Nanoscale quantum probes such as the nitrogen-vacancy (NV) center in diamonds have demonstrated remarkable sensing capabilities ov..

Proximity-Induced Artefacts in Magnetic Imaging with Nitrogen-Vacancy Ensembles in Diamond

Jean-Philippe Tetienne, David A Broadway, Scott E Lillie, Nikolai Dontschuk, Tokuyuki Teraji, Liam T Hall, Alastair Stacey, David A Simpson, Lloyd CL Hollenberg

2018-04-01

Magnetic imaging with ensembles of nitrogen-vacancy (NV) centres in diamond is a recently developed technique that allows for quan..

Quantum probe hyperpolarisation of molecular nuclear spins

David A Broadway, Jean-Philippe Tetienne, Alastair Stacey, James DA Wood, David A Simpson, Liam T Hall, Lloyd CL Hollenberg

2018-03-28

Hyperpolarisation of nuclear spins is important in overcoming sensitivity and resolution limitations of magnetic resonance imaging..

High precision single qubit tuning via thermo-magnetic field control

David A Broadway, Scott E Lillie, Nikolai Dontschuk, Alastair Stacey, Liam T Hall, Jean-Philippe Tetienne, Lloyd CL Hollenberg

2018-03-05

Precise control of the resonant frequency of a spin qubit is of fundamental importance to quantum sensing protocols. We demonstrat..

Spin properties of dense near-surface ensembles of nitrogen-vacancy centers in diamond

J-P Tetienne, RW de Gille, DA Broadway, T Teraji, SE Lillie, JM McCoey, N Dontschuk, LT Hall, A Stacey, DA Simpson, LCL Hollenberg

2018-02-02

We present a study of the spin properties of dense layers of near-surface nitrogen-vacancy (NV) centers in diamond created by nitr..

Magnetically sensitive nanodiamond-doped tellurite glass fibers

Yinlan Ruan, David A Simpson, Jan Jeske, Heike Ebendorff-Heidepriem, Desmond WM Lau, Hong Ji, Brett C Johnson, Takeshi Ohshima, Shahraam Afshar, Lloyd Hollenberg, Andrew D Greentree, Tanya M Monro, Brant C Gibson

2018-01-19

Traditional optical fibers are insensitive to magnetic fields, however many applications would benefit from fiber-based magnetomet..

Non-Neurotoxic Nanodiamond Probes for Intraneuronal Temperature Mapping

David A Simpson, Emma Morrisroe, Julia M McCoey, Alain H Lombard, Dulini C Mendis, Francois Treussart, Liam T Hall, Steven Petrou, Lloyd CL Hollenberg

2017-12-01

Optical biomarkers have been used extensively for intracellular imaging with high spatial and temporal resolution. Extending the m..

Electron paramagnetic resonance microscopy using spins in diamond under ambient conditions

David A Simpson, Robert G Ryan, Liam T Hall, Evgeniy Panchenko, Simon C Drew, Steven Petrou, Paul S Donnelly, Paul Mulvaney, Lloyd CL Hollenberg

2017-09-06

Magnetic resonance spectroscopy is one of the most important tools in chemical and bio-medical research. However, sensitivity limi..

lMicrowave-free nuclear magnetic resonance at molecular scales

James DA Wood, Jean-Philippe Tetienne, David A Broadway, Liam T Hall, David A Simpson, Alastair Stacey, Lloyd CL Hollenberg

2017-07-03

The implementation of nuclear magnetic resonance (NMR) at the nanoscale is a major challenge, as the resolution of conventional me..

Environmentally Mediated Coherent Control of a Spin Qubit in Diamond

Scott E Lillie, David A Broadway, James DA Wood, David A Simpson, Alastair Stacey, Jean-Philippe Tetienne, Lloyd CL Hollenberg

2017-04-19

The coherent control of spin qubits forms the basis of many applications in quantum information processing and nanoscale sensing, ..

Quantum imaging of current flow in graphene

Jean-Philippe Tetienne, Nikolai Dontschuk, David A Broadway, Alastair Stacey, David A Simpson, Lloyd CL Hollenberg

2017-04-01

Since its first discovery in 2004, graphene has been found to host a plethora of unusual electronic transport phenomena, making it..

Anticrossing Spin Dynamics of Diamond Nitrogen-Vacancy Centers and All-Optical Low-Frequency Magnetometry

David A Broadway, James DA Wood, Liam T Hall, Alastair Stacey, Matthew Markham, David A Simpson, Jean-Philippe Tetienne, Lloyd CL Hollenberg

2016-12-02

We investigate the photoinduced spin dynamics of single nitrogen-vacancy (N-V) centers in diamond near the electronic ground-state..

A quantum spin-probe molecular microscope

VS Perunicic, CD Hill, LT Hall, LCL Hollenberg

2016-10-11

Imaging the atomic structure of a single biomolecule is an important challenge in the physical biosciences. Whilst existing techni..

Wide-band nanoscale magnetic resonance spectroscopy using quantum relaxation of a single spin in diamond

JDA Wood, DA Broadway, LT Hall, A Stacey, DA Simpson, JP Tetienne, LCL Hollenberg

2016-10-05

We demonstrate an all-optical approach of nanoscale magnetic resonance (MR) spectroscopy whereby quantum relaxation (T1) of a sing..

Magneto-optical imaging of thin magnetic films using spins in diamond

David A Simpson, Jean-Philippe Tetienne, Julia M McCoey, Kumaravelu Ganesan, Liam T Hall, Steven Petrou, Robert E Scholten, Lloyd CL Hollenberg

2016-03-14

Imaging the fields of magnetic materials provides crucial insight into the physical and chemical processes surrounding magnetism, ..

Detection of nanoscale electron spin resonance spectra demonstrated using nitrogen-vacancy centre probes in diamond

LT Hall, P Kehayias, DA Simpson, A Jarmola, A Stacey, D Budker, LCL Hollenberg

2016-01-01

Electron spin resonance (ESR) describes a suite of techniques for characterizing electronic systems with applications in physics, ..

Scanning Nanospin Ensemble Microscope for Nanoscale Magnetic and Thermal Imaging

Jean-Philippe Tetienne, Alain Lombard, David A Simpson, Cameron Ritchie, Jianing Lu, Paul Mulvaney, Lloyd CL Hollenberg

2016-01-01

Quantum sensors based on solid-state spins provide tremendous opportunities in a wide range of fields from basic physics and chemi..

In vivo imaging and tracking of individual nanodiamonds in drosophila melanogaster embryos

David A Simpson, Amelia J Thompson, Mark Kowarsky, Nida F Zeeshan, Michael SJ Barson, Liam T Hall, Yan Yan, Stefan Kaufmann, Brett C Johnson, Takeshi Ohshima, Frank Caruso, Robert E Scholten, Robert B Saint, Michael J Murray, Lloyd CL Hollenberg

2014-04-01

In this work, we incorporate and image individual fluorescent nanodiamonds in the powerful genetic model system Drosophila melanog..