Alastair Stacey

Effect of radiation damage on the quantum optical properties of nitrogen vacancies in diamond

H Genish, K Ganesan, A Stacey, S Prawer, M Rosenbluh

Journal article  |  2020  |  Diamond and Related Materials

Single crystal diamond (<5 ppm nitrogen) containing native NV centers with coherence time of 150 μs was irradiated with 2 MeV alph..

Improved wetting of gold active braze alloy on diamond for use in medical implants

K Edalati, M Stamp, K Ganesan, A Stacey, G Martin-Hardy, R Fontaine, S Prawer, DJ Garrett

Journal article  |  2020  |  Diamond and Related Materials

Medical implants containing active electronics must have a leak-proof encapsulation to be certified as safe for human use. Implant..

Comparison of different methods of nitrogen-vacancy layer formation in diamond for wide-field quantum microscopy

AJ Healey, A Stacey, BC Johnson, DA Broadway, T Teraji, DA Simpson, J-P Tetienne, LCL Hollenberg

Journal article  |  2020  |  Physical Review Materials

Thin layers of near-surface nitrogen-vacancy (NV) defects in diamond substrates are the workhorse of NV-based wide-field magnetic ..

Hermetic fusion of diamond micro-components with silicon

Melanie EM Stamp, Alastair Stacey, Kate Fox, Steven Prawer, David J Garrett

Journal article  |  2020  |  DIAMOND AND RELATED MATERIALS

Implantable devices which interact with neuronal systems and last for the lifetime of the recipient are an emerging field in medic..

High Fidelity Bidirectional Neural Interfacing with Carbon Fiber Microelectrodes Coated with Boron-Doped Carbon Nanowalls: An Acute Study

Maryam A Hejazi, Wei Tong, Alastair Stacey, Shi H Sun, Molis Yunzab, Ali Almasi, Young Jun Jung, Hamish Meffin, Kate Fox, Khatereh Edalati, Athavan Nadarajah, Steven Prawer, Michael R Ibbotson, David J Garrett

Journal article  |  2020  |  ADVANCED FUNCTIONAL MATERIALS

Implantable electrodes that can communicate with a small, selective group of neurons via both neural stimulation and recording are..

Cryogenic platform for coupling color centers in diamond membranes to a fiber-based microcavity

M Salz, Y Herrmann, A Nadarajah, A Stahl, M Hettrich, A Stacey, S Prawer, D Hunger, F Schmidt-Kaler

Journal article  |  2020  |  APPLIED PHYSICS B-LASERS AND OPTICS

We operate a fiber-based cavity with an inserted diamond membrane containing ensembles of silicon vacancy centers (SiV-) at cryoge..

MoO3 induces p-type surface conductivity by surface transfer doping in diamond

Kaijian Xing, Yang Xiang, Ming Jiang, Daniel L Creedon, Golrokh Akhgar, Steve A Yianni, Haiyan Xiao, Lothar Ley, Alastair Stacey, Jeffrey C McCallum, Serge Zhuiykov, Christopher Pakes, Dong-Chen Qi

Journal article  |  2020  |  APPLIED SURFACE SCIENCE

Surface transfer doping of diamond using high electron affinity transition metal oxides (TMOs), such as MoO3, has emerged as a key..

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..

Fluorescence and Physico-Chemical Properties of Hydrogenated Detonation Nanodiamonds

Giannis Thalassinos, Alastair Stacey, Nikolai Dontschuk, Billy J Murdoch, Edwin Mayes, Hugues A Girard, Ibrahim M Abdullahi, Lars Thomsen, Anton Tadich, Jean-Charles Arnault, Vadym N Mochalin, Brant C Gibson, Philipp Reineck

Journal article  |  2020  |  C-JOURNAL OF CARBON RESEARCH

Hydrogenated detonation nanodiamonds are of great interest for emerging applications in areas from biology and medicine to lubrica..

Development of a silicon-diamond interface on (111) diamond

AK Schenk, MJ Sear, N Dontschuk, A Tsai, KJ Rietwyk, A Tadich, BCC Cowie, L Ley, A Stacey, C Pakes

Journal article  |  2020  |  APPLIED PHYSICS LETTERS

We report the preparation of a silicon terminated (111) diamond surface. Low energy electron diffraction and core level photoemiss..