David Simpson

A cross-trial comparison of single-agent ibrutinib versus chlorambucil-obinutuzumab in previously untreated patients with chronic lymphocytic leukemia or small lymphocytic lymphoma.

Alessandra Tedeschi, Richard Greil, Fatih Demirkan, Tadeusz Robak, Carol Moreno, Paul M Barr, Bertrand Anz, David Simpson, Gianluca Gaidano, Osnat Bairey, Don Stevens, Devinder Gill, Ian W Flinn, Thomas J Kipps, Jan A Burger, Jennifer Lin, Thomas Webb, Viktor Fedorov, Lori Styles, John G Gribben

Journal article  |  2020  |  Haematologica

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

Journal article  |  2020  |  ACS Applied Materials & Interfaces

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

Journal article  |  2020  |  Small Methods

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

Journal article  |  2019  |  Nano Letters

Quantum Sensing in a Physiological-Like Cell Niche Using Fluorescent Nanodiamonds Embedded in Electrospun Polymer Nanofibers

Joshua C Price, Simon J Levett, Valentin Radu, David A Simpson, Aina Mogas Barcons, Christopher F Adams, Melissa L Mather

Journal article  |  2019  |  Small

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

Journal article  |  2019  |  SMALL

Not All Fluorescent Nanodiamonds Are Created Equal: A Comparative Study

Philipp Reineck, Leevan Fremiot Trindade, Jan Havlik, Jan Stursa, Ashleigh Heffernan, Aaron Elbourne, Antony Orth, Marco Capelli, Petr Cigler, David A Simpson, Brant C Gibson

Journal article  |  2019  |  Particle & Particle Systems Characterization

Quantum probes for biology: Unlocking single molecule dynamics

David A Simpson

Journal article  |  2019  |  Nano Today

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

Journal article  |  2019  |  PHYSICAL REVIEW B

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

The effect of nitrogen concentration on quantum sensing with nitrogen-vacancy centres

Marco Capelli, Hiroshi Abe, Takeshi Ohshima, Brett C Johnson, David A Simpson, Jan Jeske, Andrew D Greentree, Philipp Reineck, Brant C Gibson

Conference Proceedings  |  2019  |  Biophotonics Australasia 2019

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

Journal article  |  2018  |  Physical Review Materials

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

Manipulating the Quantum Coherence of Optically Trapped Nanodiamonds

Lachlan W Russell, Simon G Ralph, Kazuma Wittick, Jean-Philippe Tetienne, David A Simpson, Peter J Reece

Journal article  |  2018  |  ACS Photonics

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

Journal article  |  2018  |  ACS Applied Materials & Interfaces

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

Journal article  |  2018  |  SENSORS

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

Journal article  |  2018  |  NATURE COMMUNICATIONS

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

Journal article  |  2018  |  Physical Review B

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

Journal article  |  2018  |  SCIENTIFIC REPORTS

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

Journal article  |  2017  |  ACS Nano

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

Journal article  |  2017  |  NATURE COMMUNICATIONS

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

Journal article  |  2017  |  NATURE COMMUNICATIONS

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

Journal article  |  2017  |  Physical Review Letters

Quantum imaging of current flow in graphene

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

Journal article  |  2017  |  SCIENCE ADVANCES

Nanomechanical Sensing Using Spins in Diamond

Michael SJ Barson, Phani Peddibhotla, Preeti Ovartchaiyapong, Kumaravelu Ganesan, Richard L Taylor, Matthew Gebert, Zoe Mielens, Berndt Koslowski, David A Simpson, Liam P McGuinness, Jeffrey McCallum, Steven Prawer, Shinobu Onoda, Takeshi Ohshima, Ania C Bleszynski Jayich, Fedor Jelezko, Neil B Manson, Marcus W Doherty

Journal article  |  2017  |  Nano Letters

Room-temperature single-photon emission from zinc oxide nanoparticle defects and their in vitro photostable intrinsic fluorescence

Kelvin Chung, Timothy J Karle, Asma Khalid, Amanda N Abraham, Ravi Shukla, Brant C Gibson, David A Simpson, Aleksandra B Djurisic, Hiroshi Amekura, Snjezana Tomljenovic-Hanic

Journal article  |  2017  |  Nanophotonics

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

Journal article  |  2016  |  PHYSICAL REVIEW APPLIED

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

Journal article  |  2016  |  Physical Review B

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

Diamond for neural interfacing: A review

David J Garrett, Wei Tong, David A Simpson, Hamish Meffin

Journal article  |  2016  |  Carbon

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

Journal article  |  2016  |  SCIENTIFIC REPORTS

Intrinsic fluorescence of selenium nanoparticles for cellular imaging applications

A Khalid, P Tran, R Norello, D Simpson, A O'Connor, S Tomljenovic-Hanic

Journal article  |  2016  |  Nanoscale

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

Journal article  |  2016  |  NATURE COMMUNICATIONS

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

Journal article  |  2016  |  NANO LETTERS

Fluorescent Nanodiamond Silk Fibroin Spheres: Advanced Nanoscale Bioimaging Tool

Asma Khalid, Alexander N Mitropoulos, Benedetto Marelli, David A Simpson, Phong A Tran, Fiorenzo G Omenetto, Snjezana Tomljenovic-Hanic

Journal article  |  2015  |  ACS BIOMATERIALS SCIENCE & ENGINEERING

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

Journal article  |  2014  |  BIOMEDICAL OPTICS EXPRESS

Towards single-molecule NMR detection and spectroscopy using single spins in diamond

VS Perunicic, LT Hall, DA Simpson, CD Hill, LCL Hollenberg

Journal article  |  2014  |  PHYSICAL REVIEW B

Electronic Properties and Metrology Applications of the Diamond NV- Center under Pressure

Marcus W Doherty, Viktor V Struzhkin, David A Simpson, Liam P McGuinness, Yufei Meng, Alastair Stacey, Timothy J Karle, Russell J Hemley, Neil B Manson, Lloyd CL Hollenberg, Steven Prawer

Journal article  |  2014  |  PHYSICAL REVIEW LETTERS

Ambient nanoscale sensing with single spins using quantum decoherence

LP McGuinness, LT Hall, A Stacey, DA Simpson, CD Hill, JH Cole, K Ganesan, BC Gibson, S Prawer, P Mulvaney, F Jelezko, J Wrachtrup, RE Scholten, LCL Hollenberg

Journal article  |  2013  |  New Journal of Physics

Detection of atomic spin labels in a lipid bilayer using a single-spin nanodiamond probe

Stefan Kaufmann, David A Simpson, Liam T Hall, Viktor Perunicic, Philipp Senn, Steffen Steinert, Liam P McGuinness, Brett C Johnson, Takeshi Ohshima, Frank Caruso, Joerg Wrachtrup, Robert E Scholten, Paul Mulvaney, Lloyd Hollenberg

Journal article  |  2013  |  PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Nanoscale sensing and imaging in biology using the nitrogen-vacancy center in diamond

LT Hall, DA Simpson, LCL Hollenberg

Journal article  |  2013  |  MRS Bulletin

Near-Surface Spectrally Stable Nitrogen Vacancy Centres Engineered in Single Crystal Diamond

Alastair Stacey, David A Simpson, Timothy J Karle, Brant C Gibson, Victor M Acosta, Zhihong Huang, Kai Mei C Fu, Charles Santori, Raymond G Beausoleil, Liam P McGuinness, Kumaravelu Ganesan, Snjezana Tomljenovic-Hanic, Andrew D Greentree, Steven Prawer

Journal article  |  2012  |  Advanced Materials

Dynamic Stabilization of the Optical Resonances of Single Nitrogen-Vacancy Centers in Diamond

VM Acosta, C Santori, A Faraon, Z Huang, K-MC Fu, A Stacey, DA Simpson, K Ganesan, S Tomljenovic-Hanic, AD Greentree, S Prawer, RG Beausoleil

Journal article  |  2012  |  Physical Review Letters

High spatial and temporal resolution wide-field imaging of neuron activity using quantum NV-diamond

LT Hall, GCG Beart, EA Thomas, DA Simpson, LP McGuinness, JH Cole, JH Manton, RE Scholten, F Jelezko, Joerg Wrachtrup, S Petrou, LCL Hollenberg

Journal article  |  2012  |  SCIENTIFIC REPORTS

Diamond-based single-photon emitters

I Aharonovich, S Castelletto, DA Simpson, C-H Su, AD Greentree, S Prawer

Journal article  |  2011  |  Reports on Progress in Physics

Quantum measurement and orientation tracking of fluorescent nanodiamonds inside living cells

LP McGuinness, Y Yan, A Stacey, DA Simpson, LT Hall, D Maclaurin, S Prawer, P Mulvaney, J Wrachtrup, F Caruso, RE Scholten, LCL Hollenberg

Journal article  |  2011  |  Nature Nanotechnology

Engineering of nitrogen-vacancy color centers in high purity diamond by ion implantation and annealing

JO Orwa, C Santori, KMC Fu, B Gibson, D Simpson, I Aharonovich, A Stacey, A Cimmino, P Balog, M Markham, D Twitchen, AD Greentree, RG Beausoleil, S Prawer

Journal article  |  2011  |  Journal of Applied Physics

21^st-Century Applications of Nanodiamonds

AD Greentree, I Aharonovich, S Castelletto, MW Doherty, LP McGuinness, DA Simpson

Creative Published Work  |  2010  |  Optics and Photonics News

Photophysics of chromium-related diamond single-photon emitters

I Aharonovich, S Castelletto, DA Simpson, AD Greentree, S Prawer

Journal article  |  2010  |  Physical Review A

Chromium single-photon emitters in diamond fabricated by ion implantation

Igor Aharonovich, Stefania Castelletto, Brett C Johnson, Jeffrey C McCallum, David A Simpson, Andrew D Greentree, Steven Prawer

Journal article  |  2010  |  Physical Review B

Two-Level Ultrabright Single Photon Emission from Diamond Nanocrystals

Igor Aharonovich, Stefania Castelletto, David A Simpson, Alastair Stacey, Jeff McCallum, Andrew D Greentree, Steven Prawer

Journal article  |  2009  |  Nano Letters

Nano-manipulation of diamond-based single photon sources

E Ampem-Lassen, DA Simpson, BC Gibson, S Trpkovski, FM Hossain, ST Huntington, K Ganesan, LCL Hollenberg, S Prawer

Journal article  |  2009  |  Optics Express

Enhanced single-photon emission in the near infrared from a diamond color center

Igor Aharonovich, Chunyuan Zhou, Alastair Stacey, Julius Orwa, Stefania Castelletto, David Simpson, Andrew D Greentree, Francois Treussart, Jean-Francois Roch, Steven Prawer

Journal article  |  2009  |  Physical Review B

A highly efficient two level diamond based single photon source

DA Simpson, E Ampem-Lassen, BC Gibson, S Trpkovski, FM Hossain, ST Huntington, AD Greentree, LCL Hollenberg, S Prawer

Journal article  |  2009  |  Applied Physics Letters

Reactive ion etching of waveguide structures in diamond

Mark P Hiscocks, Christopher J Kaalund, Francois Ladouceur, Shane T Huntington, Brant C Gibson, Steven Trpkovski, David Simpson, Eric Ampem-Lassen, Steven Prawer, James E Butlerc

Journal article  |  2008  |  Diamond and Related Materials

Visible and near infra-red up-conversion in Tm3 /Yb3 co-doped silica fibers under 980 nm excitation

DA Simpson, WEK Gibbs, SF Collins, W Blanc, B Dussardier, G Monnom, P Peterka, GW Baxter

Journal article  |  2008  |  Optics express

Integration of microwave plasma CVD diamond with optical waveguides: Towards the realisation of diamond-based photonic devices

S Trpkovski, BC Gibson, D Simpson, E Ampem-Lassen, FM Hossain, LCL Hollenberg, S Prawer, ST Huntington, L Bui, A Mitchell, C Kaalund, M Hiscocks, F Ladouceur, JE Butler

Journal article  |  2008  |  Industrial Diamond Review

Energy transfer up-conversion in Tm3 -doped silica fiber

DA Simpson, GW Baxter, SF Collins, WEK Gibbs, W Blanc, B Dussardier, G Monnom

Journal article  |  2006  |  JOURNAL OF NON-CRYSTALLINE SOLIDS