2021 Publications

Katherine Levey (Cohort 5, Warwick): Lifting the Lid on the Potentiostat: A Beginners Guide to Understanding Electrochemical Circuitry and Practical Operation, W. Colburn, K. J. Levey, D. O'Hare and J. V. Macpherson, Phys. Chem. Chem. Phys., 2021, 23, 8100-8117

2020 Publications

Teena Rajan (Cohort 4, Warwick): Ex Vivo Electrochemical pH Mapping of the Gastrointestinal Tract in the Absence and Presence of Pharmacological Agents, Teena S. Rajan, Tania L. Read, Aya Abdalla, Bhavik A. Patel, and Julie V. Macpherson*, ACS Sensors 2020 5 (9), 2858-2865, doi: https://pubs.acs.org/doi/10.1021/acssensors.0c01020

Daniel Field (Cohort 4, Bristol):

Crystalline Interlayers for Reducing the Effective Thermal Boundary Resistance in GaN-on-Diamond, Field, D. E., Cuenca, J. A., Smith, M., Fairclough, S. M., Massabuau, F. C. P., Pomeroy, J. W., Williams, O., Oliver, R. A., Thayne, I., & Kuball, M. (2020). ACS Applied Materials and Interfaces, 12, 54138–54145, doi: https://doi.org/10.1021/acsami.0c10129

Mixed-size diamond seeding for low-thermal-barrier growth of CVD diamond onto GaN and AlN, E.J.W. Smith, A.H. Piracha, D. Field, J.W. Pomeroy, G.R. Mackenzie, Z. Abdallah, F.C.-P. Massabuau, A.M. Hinz, D.J. Wallis, R.A. Oliver, M. Kuball, P.W. May, Carbon (2020), doi: https://doi.org/10.1016/j.carbon.2020.05.050.

Thermal stress modelling of diamond on GaN/III-Nitride membranes, Cuenca, J. A.et al., Carbon (2020) (10.1016/j.carbon.2020.11.067).

Thermal Boundary Resistance of Direct van der Waals Bonded GaN-on-Diamond, Waller, W. M., Pomeroy, J. W., Field, D. E., Smith, E. J. W., May, P. W., & Martin, K. (2020), Semiconductor Science and Technology, 35(9).

GaN-on-diamond technology platform: Bonding-free membrane manufacturing process, Smith, M. D., Cuenca, J. A., Field, D. E., Fu, Y.-C., Yuan, C., Massabuau, F., Mandal, S., Pomeroy, J. W., Oliver, R. A., Uren, M. J., Elgaid, K., Williams, O. A., Thayne, I., & Kuball, M. (2020), AIP Advances, 10(3), doi: https://doi.org/10.1063/1.5129229

Maabur Sow (Cohort 2, Oxford): High-throughput nitrogen-vacancy center imaging for nanodiamond photophysical characterization and pH nanosensing, Horst Steuer, Sanmi Adekanye, Laia Ginés c, Soumen Mandal, Barak Gilboa a, Oliver A. Williams, Jason M. Smith and Achillefs N. Kapanidis. Royal Societty of Chemistry - Published 26 October 2020 doi: 10.1039/D0NR05931E (Paper) Nanoscale, 2020, 12, 21821-21831

Daniel C Jones (Cohort 3, Imperial): Multidimensional spectroscopy and imaging of defects in synthetic diamond: excitation-emission-lifetime luminescence measurements with multiexponential fitting and phasor analysis, Daniel Christopher Jones, Yuriy Alexandrov, Nathan Curry, Sunil Kumar, Peter M.P. Lanigan, Colin D. McGuinness, Matthew W. Dale, Daniel J Twitchen, David Fisher, Mark Neil, Christopher Dunsby, Paul French - Published 2 October 2020. https://doi.org/10.1088/1361-6463/abbde2

Daniel J L Coxon (cohort 3, Warwick) An Ultrafast Shakedown Reveals the Energy Landscape, Relaxation Dynamics, and Concentration of the N₃VH⁰ Defect in Diamond, Daniel J. L. Coxon, Michael Staniforth, Ben G. Breeze, Simon E. Greenough, Jonathan P. Goss, Maurizio Monti, James Lloyd-Hughes, Vasilios G. Stavros, Mark E. Newton. Published July 2020. https://pubs.acs.org/doi/10.1021/acs.jpclett.0c01806. Open data .

Sam Cobb (cohort 1, Warwick), Fraser Laidlaw (cohort 3, Warwick): Assessment of acid and thermal oxidation treatments for removing sp2 bonded carbon from the surface of boron doped diamond, Samuel J. Cobb, Fraser H.J. Laidlaw, Geoff West, Georgia Wood, Mark E. Newton, Richard Beanland, Julie V. Macpherson - Published April 2020 https://doi.org/10.1016/j.carbon.2020.04.095 Open data

Amber Wassell (Cohort 2, Cardiff): Separation of Natural from Laboratory-Grown Diamond Using Time-Gated Luminescence Imaging, Colin D. McGuinness, Amber M. Wassell, Peter M.P. Lanigan, and Stephen A. Lynch, Gems & Gemology, Summer 2020, Vol. 56, No. 2, https://www.gia.edu/gems-gemology/summer-2020-separation-natural-from-laboratory-grown-diamond

2019 Publications

Claire J. Meara (Cohort 3, Newcastle): Density functional theory study on magnetically detecting positively charged nitrogen-vacancy center in diamond.

Claire J. Meara (Cohort 3, Newcastle), Mark J. Rayson, Patrick R. Briddon, and Jonathan P. Goss:, Phys. Rev. B 100, 104108 – Published 10 September 2019 doi: 10.1103PhysRevB.100.104108 Open data

Guy Stimpson (Cohort 2, Warwick), Rajesh Patel (Cohort 4, Warwick): An open-source high-frequency lock-in amplifier

GA Stimpson, MS Skilbeck, RL Patel, BL Green & GW Morley, An open-source high-frequency lock-in amplifier, Review of Scientific Instruments 90, 094701 (2019), Open access, Open Source code, doi: https://doi.org/10.1063/1.5083797 Open data

Maabur Sow (Cohort 2, Oxford): Confinement-Free Wide-Field Ratiometric Tracking of Single Fluorescent Molecules

Gilboa,B; Jing, B; Cui, TJ; Sow, M; Plochowietz, A; Mazumder, A; Kapanidis, AN. Biophysics Journal, 2019.
https://doi.org/10.1016/j.bpj.2019.10.033 Open data

Daniel C Jones (Cohort 3, Imperial): Multidimensional luminescence microscope for imaging defect colour centres in diamond
Daniel Christopher Jones, Sunil Kumar, Peter M.P. Lanigan, Colin D. McGuinness, Matthew W. Dale, Daniel J Twitchen, David Fisher, Philip M. Martineau, Mark Neil, Christopher Dunsby and Paul M W French. Methods and Applications in Fluorescence. Accepted on: 17/10/2019 doi: 10.1088/2050-6120/ab4eac Open data from October 2020

Francesco Albarelli, Jamie F. Friel, and Animesh Datta. Phys. Rev. Lett. Accepted on: 27/09/2019 DOI: 10.1103/physrevlett.123.200503 Open data

Shazeaa N. Ishmael (Cohort 1, Oxford): Laser writing of individual nitrogen-vacancy defects in diamond with near-unity yield

Yu-Chen Chen, Benjamin Griffiths, Laiyi Weng, Shannon S. Nicley, Shazeaa N. Ishmael, Yashna Lekhai, Sam Johnson, Colin J. Stephen, Ben L. Green, Gavin W. Morley, Mark E. Newton, Martin J. Booth, Patrick S. Salter, and Jason M. Smith, Optica 6, 662-667 (2019). doi: 10.1364/OPTICA.6.000662 Open data

E. J. D. Mahoney (Cohort 1, Bristol): Combined spatially resolved optical emission and modeling studies of microwave-activated H₂/Ar and H₂/Kr plasmas operating under conditions relevant for diamond chemical vapour deposition.

Edward J.D. Mahoney, Sohail Mushtaq, Michael N.R. Ashfold, and Yuri A Mankelevich, (2019). The Journal of Physical Chemistry A Just Accepted Manuscript. doi: 10.1021/acs.jpca.8b12294 Open data

2018 Publications

E. J. D. Mahoney (Cohort 1, Bristol): Spatially resolved optical emission and modeling studies of microwave-activated hydrogen plasmas operating under conditions relevant for diamond chemical vapour deposition.

Edward J. D. Mahoney, Benjamin S. Truscott, Sohail Mushtaq, Michael N. R. Ashfold, and Yuri A. Mankelevich, (2018). The Journal of Physical Chemistry A, 122 (42), 8286-8300. doi: 10.1021/acs.jpca.8b07491 Open data.

Sam Cobb (Cohort 1, Warwick): Deconvoluting surface-bound quinone proton coupled electron transfer in unbuffered solutions: towards a universal voltammetric pH electrode

Samuel J. Cobb, Zoe J. Ayres, Mark E. Newton, and Julie V. Macpherson, (2018). Journal of the American Chemical Society, Just Accepted Manuscript
doi: 10.1021/jacs.8b11518 Open data

Shazeaa N. Ishmael (Cohort 1, Oxford): Laser writing of individual atomic defects in a crystal with near-unity yield

Yu-Chen Chen, Benjamin Griffiths, Laiyi Weng, Shannon Nicley, Shazeaa N. Ishmael, Yashna Lekhai, Sam Johnson, Colin J. Stephen, Ben L. Green, Gavin W. Morley, Mark E. Newton, Martin J. Booth, Patrick S. Salter, Jason M. Smith, (2018) Under Review Nature Comms. doi:10.1364/OPTICA.6.000662 https://arxiv.org/abs/1807.04028 (Warwick-Oxford collaboration) Open data

Phil Diggle (Cohort 1, Warwick) and Paul Hill (Cohote 1, Strathclyde): Three-dimensional solid-state qubit arrays with long-lived spin coherence

C. J. Stephen, B. L. Green, Y. N. D. Lekhai, L. Weng, P. Hill, S. Johnson, A. C. Frangeskou, P. L. Diggle, M. J. Strain, E. Gu, M. E. Newton, J. M. Smith, P. S. Salter, G. W. Morley, (2018) Under Review Nature Photonics. https://arxiv.org/abs/1807.03643 (Strathclyde-Warwick-Oxford collaboration) doi: 10.1103/PhysRevApplied.12.064005 Open data

Sam Cobb (Cohort 1, Warwick): Facet‐Resolved Electrochemistry of Polycrystalline Boron‐Doped Diamond Electrodes: Microscopic Factors Determining the Solvent Window in Aqueous Potassium Chloride Solutions

Dan‐Qing Liu, Chang‐Hui Chen, David Perry, Geoff West, Sam J. Cobb, Julie V. Macpherson, Patrick R. Unwin, (2018), Chem. Electrochem. https://doi.org/10.1002/celc.201800770 (Warwick Chemistry - WMG collaboration) Open data

Enrik Nako (Cohort 1, Warwick): Electronic structure of the neutral silicon-vacancy center in diamond

B. L. Green, M. W. Doherty, E. Nako, N. B. Manson, U. F. S. D'Haenens-Johansson, S. D. Williams, D. J. Twitchen, M. E. Newton, (2018) Under Review Phys. Rev. B Rapid https://arxiv.org/abs/1804.09141 (Warwick - GIA collaboration) Open data

Amber Wassell (Cohort 2, Cardiff): Anomalous green luminescent properties in CVD synthetic diamond

Amber M. Wassell, Colin D. McGuinness, Chris Hodges, Peter M. P. Lanigan, David Fisher, Philip M. Martineau, Mark E. Newton, Stephen A. Lynch. Physica Status Solidi (a), (2018). https://doi.org/10.1002/pssa.201800292 (Cardiff-De Beers-Warwick collaboration) doi: 10.1002/pssa.201800292 Open data

Branislav Dzepina (Cohort 1, Imperial): A phase field model of pressure-assisted sintering

Branislav Dzepina, Daniel Balint, Daniele Dini. Journal of the European Ceramic Society, (2018). https://doi.org/10.1016/j.jeurceramsoc.2018.09.014 (Imperial) Open data

Paul Hill (Cohort 1, Strathclyde): Thin film diamond membranes bonded on-demand with SOI ring resonators

P. Hill, E. Gu, M. D. Dawson, M. J. Strain, Diamond and Related Materials, (2018). doi: 10.1016/j.diamond.2018.07.020 (Strathclyde Photonics) Open data

Sam Cobb (Cohort 1, Warwick): Boron Doped Diamond: A Designer Electrode Material for the Twenty-First Century

Sam J. Cobb, Zoë J. Ayres, Julie V. Macpherson. Annual Reviews of Analytical Chemistry, 2018, 11, 20 DOI: 10.1146/annurev-anchem-061417-010107 (Warwick Chemistry) doi: 10.1146/annurev-anchem-061417-010107 Open data

Ł. Dziechciarczyk (Cohort 2, Strathclyde): Sub-100 ps monolithic diamond Raman laser emitting at 573 nm

J. Nikkinen, V. Savitski, S. Reilly, Ł. Dziechciarczyk, A. Härkönen, A. Kemp and M. Guina, IEEE Photonics Technology Letters, (2018), PP, 1-4. doi: 10.1109/LPT.2018.2806183 (Strathclyde Photonics) Open data

Joshua Green (Cohort 2, Cardiff): Redox agent enhanced chemical mechanical polishing of thin film diamond

Soumen Mandal, Evan L.H. Thomas, Laia Gines, David Morgan, Joshua Green, Emmanuel B. Brousseau and Oliver A. Williams, Carbon, (2018), 130, 25-30. doi.org/10.1016/j.carbon.2017.12.077 (Cardiff Physics, Engineering, Catalysis Centre collaboration) Open data

2017 Publications

T. Scott (Cohort 1, Oxford):The influence of microstructure on the mechanical properties of polycrystalline diamond: a literature review

T. Scott, Advances in Applied Ceramics, (2017), 1-16. doi: 10.1080/17436753.2017.1389462 (Oxford Materials)
Open data

C. Middleton (Cohort 1, Bristol) Surface Zeta Potential and Diamond Seeding on Gallium Nitride Films

S. Mandal, E. L. H. Thomas, C. Middleton, L. Gines, J. T. Griffiths, M. J. Kappers, R. A. Oliver, D. J. Wallis, L. E. Goff, S. A. Lynch, M. Kuball, O. A. Williams, ACS Omega, (2017), 2, 7275-7280. doi: 10.1021/acsomega.7b01069 (Bristol - Cardiff collaboration) Open data

E. J. D. Mahoney (Cohort 1, Bristol): What [plasma used for growing] diamond can shine like flame?

M. N. R. Ashfold, E. J. D. Mahoney, S. Mushtaq, B. S. Truscott and Y. A. Mankelevich, Chem. Comm. (2017) 53, 10482-10495. doi: 10.1039/C7CC05568D (Bristol - Moscow collaboration) Open data

R. Lewis (Cohort 1, Cardiff): Effect of slurry composition on the chemical mechanical polishing of thin diamond films

J. Werrell, S. Mandel, E. L. H. Thomas, E. B. Brousseau, R. Lewis, P. Borri, P. R. Davies and O. A. Williams, Science and Technology of Advanced Materials, (2017), 18, 654-663. doi:10.1080/14686996.2017.1366815 (Cardiff Physics - Engineering - Biosciences collaboration) Open data

M. Sow (Cohort 2, Oxford): Positive Zeta Potential of Nanodiamonds

L. Gines, S. Mandal, A. Ahmed, C. Cheng, M. Sow & O. A. Williams, Nanoscale, (2017), 9, 12549-12555. doi: 10.1039/C7NR03200E (Warwick - Cardiff collaboration) Open data

E. J. D. Mahoney (Cohort 1, Bristol): Optical Emission from C2– Anions in Microwave-Activated CH4/H2 Plasmas for Chemical Vapor Deposition of Diamond

E. J. D. Mahoney, S. B. Truscott, M. N. R. Ashfold & Y. A. Mankelevich, J. Phys. Chem. A, (2017), 121, 2760-2772. doi: 10.1021/acs.jpca.7b00814 (Bristol - Moscow collaboration) Open data

C. Middleton (Cohort 1, Bristol): Impact of Diamond Seeding on the Microstructural Properties and Thermal Stability of GaN-on-Diamond Wafers for High-Power Electronic Devices

D. Liu, D. Francis, F. Faili, C. Middleton, J. Anaya, J. Pomeroy, D. Twitchen, M. Kuball, Scripta Materialia, (2017), 128, 57-60. doi: 10.1016/j.scriptamat.2016.10.006 (Bristol - E6 collaboration) Open data

P. Diggle (Cohort 1, Warwick): Laser spectroscopy of NV- and NV0 colour centres in synthetic diamond

E. Fraczek, V. G. Savitski, M. Dale, B. G. Breeze, P. Diggle, M. Markham, A. Bennett, H. Dhillon, M. E. Newton & A. J. Kemp, Optical Materials Express (2017), 7, 2571-2585. doi: 10.1364/OME.7.002571 (Warwick - E6 - Strathclyde collaboration) Open data

2016 Publications

S. Ishmael (Cohort 2, Oxford): Laser writing of coherent colour centres in diamond

Y. Chen, P. Salter, S. Knauer, L. Weng, A. Frangeskou, C. Stephen, S. Ishmael, P. Dolan, S. Johnson, B. Green, G. Morley, M. Newton, J. Rarity, M. Booth, J. Smith, Nature Photonics., (2017), 11, 77-80. doi: 10.1038/nphoton.2016.234 (Oxford - Warwick collaboration) Open data

Sam J. Cobb* (Cohort 1, Warwick): Quinone electrochemistry for the comparative assessment of sp2 surface content of boron doped diamond electrodes

Zoë J. Ayres*, Sam J. Cobb*, Mark E. Newton, Julie V. Macpherson, Electrochem. Commun., (2016), 72, 59–63. doi: 10.1016/j.elecom.2016.08.024 (*joint first author) (Warwick - Dstl) Open data