Lloyd Hollenberg

Temperature and angle dependent magnetic imaging of biological iron nanoparticles using quantum diamond microscopy

RW de Gille, AJ Healey, IO Robertson, LT Hall, J-P Tetienne, EP Malkemper, DA Keays, LCL Hollenberg, DA Simpson

Journal article  |  2023  |  APPLIED PHYSICS LETTERS

Quantum diamond microscopy is an emerging versatile technique for studying the magnetic properties of materials. It has been appli..

Nonmonotonic Superparamagnetic Behavior of the Ferritin Iron Core Revealed via Quantum Spin Relaxometry

Erin S Grant, Liam T Hall, Lloyd CL Hollenberg, Gawain McColl, David A Simpson

Journal article  |  2022  |  ACS NANO

Ferritin is the primary storage protein in our body and is of significant interest in biochemistry, nanotechnology, and condensed ..

A diamond voltage imaging microscope

DJ McCloskey, N Dontschuk, A Stacey, C Pattinson, A Nadarajah, LT Hall, LCL Hollenberg, S Prawer, DA Simpson

Journal article  |  2022  |  NATURE PHOTONICS

Technologies that capture the complex electrical dynamics occurring in biological systems, across fluid membranes and at solid–liq..

Varied Magnetic Phases in a van der Waals Easy-Plane Antiferromagnet Revealed by Nitrogen-Vacancy Center Microscopy

Alexander J Healey, Sharidya Rahman, Sam C Scholten, Islay O Robertson, Gabriel J Abrahams, Nikolai Dontschuk, Boqing Liu, Lloyd CL Hollenberg, Yuerui Lu, Jean-Philippe Tetienne

Journal article  |  2022  |  ACS NANO

Interest in van der Waals materials often stems from a desire to miniaturize existing technologies by exploiting their intrinsic l..

Imaging Current Paths in Silicon Photovoltaic Devices with a Quantum Diamond Microscope

SC Scholten, GJ Abrahams, BC Johnson, AJ Healey, IO Robertson, DA Simpson, A Stacey, S Onoda, T Ohshima, TC Kho, J Ibarra Michel, J Bullock, LCL Hollenberg, J-P Tetienne

Journal article  |  2022  |  PHYSICAL REVIEW APPLIED

Magnetic imaging with nitrogen-vacancy centers in diamond, also known as quantum diamond microscopy, has emerged as a useful techn..

Valley population of donor states in highly strained silicon

B Voisin, KSH Ng, J Salfi, M Usman, JC Wong, A Tankasala, BC Johnson, JC McCallum, L Hutin, B Bertrand, M Vinet, N Valanoor, MY Simmons, R Rahman, LCL Hollenberg, S Rogge

Journal article  |  2022  |  Materials for Quantum Technology

Abstract Strain is extensively used to controllably tailor the electronic properties of materials. In the context o..

Chemistry beyond the Hartree-Fock energy via quantum computed moments

Michael A Jones, Harish J Vallury, Charles D Hill, Lloyd CL Hollenberg

Journal article  |  2022  |  SCIENTIFIC REPORTS

Quantum computers hold promise to circumvent the limitations of conventional computing for difficult molecular problems. However, ..

Non-Markovian Quantum Process Tomography

GAL White, FA Pollock, LCL Hollenberg, K Modi, CD Hill

Journal article  |  2022  |  PRX QUANTUM

Characterization protocols have so far played a central role in the development of noisy intermediate-scale quantum (NISQ) compute..

Clustering and enhanced classification using a hybrid quantum autoencoder

Maiyuren Srikumar, Charles D Hill, Lloyd CL Hollenberg

Journal article  |  2022  |  QUANTUM SCIENCE AND TECHNOLOGY

Quantum machine learning (QML) is a rapidly growing area of research at the intersection of classical machine learning and quantum..

An integrated widefield probe for practical diamond nitrogen-vacancy microscopy

GJ Abrahams, SC Scholten, AJ Healey, IO Robertson, N Dontschuk, SQ Lim, BC Johnson, DA Simpson, LCL Hollenberg, J-P Tetienne

Journal article  |  2021  |  APPLIED PHYSICS LETTERS

The widefield diamond nitrogen-vacancy (NV) microscope is a powerful instrument for imaging magnetic fields. However, a key limita..