![Oliver Williams](https://profiles-cardiff.imgix.net/attachments/3821?w=200&h=200&auto=format&crop=faces&fit=crop&q=90")
Professor Oliver Williams
(he/him)
- Available for postgraduate supervision
Teams and roles for Oliver Williams
Chair
Condensed Matter and Photonics Group
Overview
Oliver Williams completed his PhD on the electronic properties of diamond at University College London in 2003. He then moved to Argonne National Laboratory where he held the Distinguished Postdoctoral appointment at the Centre for Nanoscale Materials.
In 2004 he joined the Institute for Materials Research in Belgium, an affiliated lab of IMEC vzw. He developed nanocrystalline diamond growth, specialising on the nucleation of ultra-thin diamond films and control of diamond electrical conductivity from intrinsic to superconducting.
He then received the Fraunhofer Attract award to move to the Fraunhofer Institute for Applied Solid State Research in Freiburg and develop Micro Electro-Mechanical Systems from nanocrystalline diamond.
In 2011 he moved to Cardiff as a Reader in Experimental Physics and Marie Curie Fellow. Here he established Cardiff Diamond Foundry, the largest diamond growth group in the UK. His group focuses on MEMS, superconductivity, single photon sources, high frequency filters, thermal management and anything that exploits the extreme materials properties of diamond. He currently holds a Personal Chair in Experimental Physics.
Publication
2025
- Sow, M. et al., 2025. Millikelvin intracellular nanothermometry with nanodiamonds. Advanced Science 12 (45) e11670. (10.1002/advs.202511670)
- Astley, S. et al., 2025. Real time observation of glass-like carbon formation from SU-8 using X-ray and ultraviolet photoelectron spectroscopy. Carbon 245 120728. (10.1016/j.carbon.2025.120728)
- Cuenca, J. A. et al. 2025. Microwave plasma modelling for thick diamond deposition on III-nitrides. Carbon 241 120349. (10.1016/j.carbon.2025.120349)
- Ji, X. et al., 2025. Thermal boundary resistance reduction by interfacial nanopatterning for GaN-on-diamond electronics applications. ACS Applied Electronic Materials 7 (7), pp.2939–2946. (10.1021/acsaelm.5c00119)
- Lindner, S. et al., 2025. Coupling of single nanodiamonds hosting SiV color centers to plasmonic double bowtie microantennas. Nanotechnology 36 (13) 135001. (10.1088/1361-6528/ada9a4)
- Liu, R. et al. 2025. Modulating d33 coefficients through In-Situ AgF and Ag2O growth in PVDF composites for high-performance piezoelectric nanogenerators. Advanced Materials Technologies 2500012. (10.1002/admt.202500012)
2024
- Liao, S. et al., 2024. Boron-doped diamond decorated with metal-organic framework-derived compounds for high-voltage aqueous asymmetric supercapacitors. Carbon 230 119651. (10.1016/j.carbon.2024.119651)
- Yuan, M. et al., 2024. Generation of GHz surface acoustic waves in (Sc,Al)N thin films grown on free-standing polycrystalline diamond wafers by plasma-assisted molecular beam epitaxy. Journal of Physics D: Applied Physics 57 (49) 495103. (10.1088/1361-6463/ad76ba)
- Williams, O. A. , Mandal, S. and Cuenca, J. A. 2024. Heterogeneous integration of diamond. Accounts of Materials Research (10.1021/accountsmr.4c00126)
- Bennett, J. et al. 2024. Inhomogeneities across boron-doped nanocrystalline diamond films. Carbon Trends 15 100353. (10.1016/j.cartre.2024.100353)
- Williams, O. A. and Bergonzo, P. 2024. Introduction. In: Mandal, S. and Yang, N. eds. Novel Aspects of Diamond II. Vol. 149, Topics in Applied Physics SPRINGER-VERLAG BERLIN. , pp.1-3. (10.1007/978-3-031-47556-6_1)
- Stritt, J. et al. 2024. Development of long-range conductivity mechanisms in glass-like carbon. Carbon 223 119027. (10.1016/j.carbon.2024.119027)
- Cuenca, J. A. et al. 2024. Dielectric properties of diamond using an X-band microwave split dielectric resonator. Carbon 221 118860. (10.1016/j.carbon.2024.118860)
- Martyanov, A. et al., 2024. Diamond seed dependent luminescence properties of CVD diamond composite. Carbon 222 118975. (10.1016/j.carbon.2024.118975)
2023
- Hrabovsky, J. et al., 2023. Laser-patterned boron-doped diamond electrodes with precise control of sp2/sp3 carbon lateral distribution. Applied Surface Science 639 158268. (10.1016/j.apsusc.2023.158268)
- Thomas, E. L. H. et al. 2023. Polycrystalline diamond micro‐hotplates. Small 19 (48) 2303976. (10.1002/smll.202303976)
- March, J. E. et al., 2023. Long spin coherence and relaxation times in nanodiamonds milled from polycrystalline 12C diamond. Physical Review Applied 20 (4) 044045. (10.1103/PhysRevApplied.20.044045)
- Leigh, W. et al. 2023. Monitoring of the initial stages of diamond growth on aluminum nitride using in situ spectroscopic ellipsometry. ACS Omega 8 (33), pp.30442-30449. (10.1021/acsomega.3c03609)
- Mandal, S. et al. 2023. Zeta potential and nanodiamond self assembly assisted diamond growth on lithium niobate and lithium tantalate single crystal. Carbon 212 118160. (10.1016/j.carbon.2023.118160)
- Zelenský, M. et al., 2023. Chem-mechanical polishing influenced morphology, spectral and electrochemical characteristics of boron doped diamond. Carbon 203 , pp.363-376. (10.1016/j.carbon.2022.11.069)
- Cuenca, J. A. et al. 2023. Modelling deposition uniformity in microwave plasma cvd diamond over 2" Si wafers. Presented at: 2022 Asia-Pacific Microwave Conference (APMC) Yokohama, Japan 29 November - 02 December 2022. 2022 Asia-Pacific Microwave Conference (APMC). IEEE. (10.23919/APMC55665.2022.9999754)
- Cuenca, J. A. et al. 2023. Microwave conductivity of boron-doped nanodiamond particles. Presented at: 2022 Asia-Pacific Microwave Conference (APMC) Yokohama, Japan 29 November - 02 December 2022. 2022 Asia-Pacific Microwave Conference (APMC). IEEE. (10.23919/APMC55665.2022.9999762)
- Cuenca, J. A. et al. 2023. Superconducting boron doped nanocrystalline diamond microwave coplanar resonator. Carbon 201 , pp.251-259. (10.1016/j.carbon.2022.08.084)
- Leigh, W. G. et al. 2023. Mapping the effect of substrate temperature inhomogeneity during microwave plasma-enhanced chemical vapour deposition nanocrystalline diamond growth. Carbon 201 , pp.228-337. (10.1016/j.carbon.2022.09.036)
2022
- Mandal, S. , Shaw, G. and Williams, O. A. 2022. Comparison of nanodiamond coated quartz filter with commercial electropositive filters: Zeta potential and dye retention study. Carbon 199 , pp.439-443. (10.1016/j.carbon.2022.08.021)
- Leigh, W. G. et al. 2022. In-situ monitoring of microwave plasma-enhanced chemical vapour deposition diamond growth on silicon using spectroscopic ellipsometry. Carbon 202 , pp.204-212. (10.1016/j.carbon.2022.10.049)
- Pascoe, M. J. et al. 2022. Impact of material properties in determining quaternary ammonium compound adsorption and wipe product efficacy against biofilms. Journal of Hospital Infection 126 , pp.37-43. (10.1016/j.jhin.2022.03.013)
- Sinusia Lozano, M. et al., 2022. SAW resonators and filters based on Sc0.43Al0.57N on single crystal and polycrystalline diamond. Micromachines 13 (7) 1061. (10.3390/mi13071061)
- Bose, M. et al., 2022. Low-noise diamond-based D.C. nano-SQUIDs. ACS Applied Electronic Materials 4 (5), pp.2246-2252. (10.1021/acsaelm.2c00048)
- Wood, B. D. et al., 2022. Long spin coherence times of nitrogen vacancy centers in milled nanodiamonds. Physical Review B 105 (20) 205401. (10.1103/PhysRevB.105.205401)
- Kuznetsov, S. et al., 2022. Cerium-doped gadolinium-scandium-aluminum garnet powders: synthesis and use in X-ray luminescent diamond composites. Ceramics International 48 (9), pp.12962-12970. (10.1016/j.ceramint.2022.01.169)
- Cuenca, J. A. et al. 2022. Microwave plasma modelling in clamshell chemical vapour deposition diamond reactors. Diamond and Related Materials 124 108917. (10.1016/j.diamond.2022.108917)
2021
- Mandal, S. et al. 2021. Surface zeta potential and diamond growth on gallium oxide single crystal. Carbon 181 , pp.79-86. (10.1016/j.carbon.2021.04.100)
- Manifold, S. A. et al. 2021. Contact resistance of various metallisation schemes to superconducting boron doped diamond between 1.9 and 300 K. Carbon 179 , pp.13-19. (10.1016/j.carbon.2021.02.079)
- Guo, T. et al., 2021. Electrochemistry of nitrogen and boron bi-element incorporated diamond films. Carbon 178 , pp.19-25. (10.1016/j.carbon.2021.02.062)
- Klemencic, G. et al. 2021. Phase slips and metastability in granular boron-doped nanocrystalline diamond microbridges. Carbon 175 , pp.43-49. (10.1016/j.carbon.2020.12.042)
- Sedov, V. et al., 2021. CVD synthesis of multi-layered polycrystalline diamond films with reduced roughness using time-limited injections of N2 gas. Diamond and Related Materials 114 108333. (10.1016/j.diamond.2021.108333)
- Cuenca, J. A. et al. 2021. Thermal stress modelling of diamond on GaN/III-Nitride membranes. Carbon 174 , pp.647-661. (10.1016/j.carbon.2020.11.067)
- Bland, H. A. et al. 2021. Electropositive nanodiamond-coated quartz microfiber membranes for virus and dye filtration. ACS Applied Nano Materials 4 (3), pp.3252-3261. (10.1021/acsanm.1c00439)
2020
- Field, D. E. et al., 2020. Crystalline interlayers for reducing the effective thermal boundary resistance in GaN-on-Diamond. ACS Applied Materials and Interfaces 12 (48), pp.54138-54145. (10.1021/acsami.0c10129)
- Sow, M. et al., 2020. High-throughput nitrogen-vacancy center imaging for nanodiamond photophysical characterization and pH nanosensing. Nanoscale 12 (42), pp.21821-21821. (10.1039/D0NR05931E)
- Smith, M. D. et al., 2020. GaN-on-diamond technology platform: bonding-free membrane manufacturing process. AIP Advances 10 (3) 035306. (10.1063/1.5129229)
- Cuenca, J. A. et al. 2020. Dielectric spectroscopy of hydrogen treated hexagonal boron nitride ceramics. ACS Applied Electronic Materials 2 (5), pp.1193-1202. (10.1021/acsaelm.9b00767)
2019
- Sinusía Lozano, M. et al., 2019. Giant reflection coefficient on Sc 0.26 Al 0.74 N polycrystalline diamond surface acoustic wave resonators. physica status solidi (a) 216 (20) 1900360. (10.1002/pssa.201900360)
- Mandal, S. et al. 2019. Thick, adherent diamond films on AlN with low thermal barrier resistance. ACS Applied Materials and Interfaces 11 (43), pp.40826-40834. (10.1021/acsami.9b13869)
- Ahmed, A. et al., 2019. Facile amine termination of nanodiamond particles and their surface reaction dynamics. ACS Omega 4 (16), pp.16715-16723. (10.1021/acsomega.9b00776)
- Salman, M. et al. 2019. Quantitative analysis of the interaction between a dc SQUID and an integrated micromechanical doubly clamped cantilever. Journal of Applied Physics 125 (22) 224503. (10.1063/1.5090958)
- Mandal, S. et al. 2019. Superconducting boron doped nanocrystalline diamond on boron nitride ceramics. Nanoscale 11 (21), pp.10266-10272. (10.1039/C9NR02729G)
- Mandal, S. et al. 2019. Chemical mechanical polishing of nanocrystalline diamond. In: Yang, N. ed. Novel Aspects of Diamond: From Growth to Applications. Vol. 121, Topics in Applied Physics Chem: Springer. , pp.53-89. (10.1007/978-3-030-12469-4_3)
- Cuenca, J. A. et al. 2019. Microwave cavity perturbation of nitrogen doped nano-crystalline diamond films. Carbon 145 , pp.-. (10.1016/j.carbon.2018.12.025)
- Klemencic, G. M. et al. 2019. Observation of a superconducting glass state in granular superconducting diamond. Scientific Reports 9 4578. (10.1038/s41598-019-40306-1)
- Bland, H. A. et al. 2019. Superconducting diamond on silicon nitride for device applications. Scientific Reports 9 2911. (10.1038/s41598-019-39707-z)
- Panduranga, P. et al., 2019. Hybrid diamond/silicon suspended integrated photonic platform using SF6 isotropic etching. Presented at: 2nd IEEE British and Irish Conference on Optics and Photonics (BICOP 2019) London, England 11-13 December 2019. 2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP). IEEE. , pp.1-4. (10.1109/BICOP48819.2019.9059586)
2018
- Gines, L. et al. 2018. Production of metal-free diamond nanoparticles. ACS Omega 3 (11), pp.16099-16104. (10.1021/acsomega.8b02067)
- Lindner, S. et al., 2018. Strongly inhomogeneous distribution of spectral properties of silicon-vacancy color centers in nanodiamonds. New Journal of Physics 20 (11) 115002. (10.1088/1367-2630/aae93f)
- Abdou, A. et al., 2018. Air-clad suspended nanocrystalline diamond ridge waveguides. Optics Express 26 (11) 13883. (10.1364/OE.26.013883)
- Mandal, S. et al. 2018. Redox agent enhanced chemical mechanical polishing of thin film diamond. Carbon 130 , pp.25-30. (10.1016/j.carbon.2017.12.077)
- Yu, S. et al., 2018. Battery-like supercapacitors from vertically aligned carbon nanofiber coated diamond: design and demonstrator. Advanced Energy Materials 8 (12) 1702947. (10.1002/aenm.201702947)
- Frangeskou, A. C. et al., 2018. Pure nanodiamonds for levitated optomechanics in vacuum. New Journal of Physics 20 043016. (10.1088/1367-2630/aab700)
- Thomas, E. et al. 2018. A simple, space constrained NIRIM type reactor for chemical vapour deposition of diamond. AIP Advances 8 035325. (10.1063/1.5009182)
- Braunbeck, G. et al., 2018. Effect of ultraprecision polishing techniques on coherence times of shallow nitrogen-vacancy centers in diamond. Diamond and Related Materials 85 , pp.18-22. (10.1016/j.diamond.2018.03.026)
- Cuenca, J. A. et al. 2018. Microwave permittivity of trace sp2 carbon impurities in sub-micron diamond powders. ACS Omega 3 (2), pp.2183-2192. (10.1021/acsomega.7b02000)
2017
- Klemencic, G. M. et al. 2017. Superconductivity in planarised nanocrystalline diamond films. Science and Technology of Advanced Materials 18 (1)(10.1080/14686996.2017.1286223)
- Mandal, S. et al. 2017. Surface zeta potential and diamond seeding on gallium nitride films. ACS Omega 2 (10), pp.7275-7280. (10.1021/acsomega.7b01069)
- Thomas, E. et al. 2017. Spectroscopic ellipsometry of nanocrystalline diamond film growth. ACS Omega 2 (10), pp.6715-6727. (10.1021/acsomega.7b00866)
- Klemencic, G. M. et al. 2017. Fluctuation spectroscopy as a probe of granular superconducting diamond films. Physical Review Materials 1 (4) 044801. (10.1103/PhysRevMaterials.1.044801)
- Gines, L. et al. 2017. Positive zeta potential of nanodiamonds. Nanoscale 9 (34), pp.12549-12555. (10.1039/C7NR03200E)
- Ayres, Z. J. et al., 2017. Impact of chemical vapour deposition plasma inhomogeneity on the spatial variation of sp 2 carbon in boron doped diamond electrodes. Carbon 121 , pp.434-442. (10.1016/j.carbon.2017.06.008)
- Titova, N. et al., 2017. Slow electron-phonon cooling in superconducting diamond films. IEEE Transactions on Applied Superconductivity 27 (4) 7501104. (10.1109/TASC.2016.2638199)
- Yu, S. et al., 2017. Battery-like supercapacitors from diamond networks and water-soluble redox electrolytes. Journal of Materials Chemistry A 5 (4), pp.1778-1785. (10.1039/C6TA08607A)
- Werrell, J. et al. 2017. Effect of slurry composition on the chemical mechanical polishing of thin diamond films. Science and Technology of Advanced Materials 18 (1), pp.654-663. (10.1080/14686996.2017.1366815.)
2016
- Ahmed, A. -. et al., 2016. Low temperature catalytic reactivity of nanodiamond in molecular hydrogen. Carbon 110 , pp.438-442. (10.1016/j.carbon.2016.09.019)
- Richter, J. et al., 2016. CO2 laser micromachining of nanocrystalline diamond films grown on doped silicon substrates. Optical Materials Express 6 (12), pp.3916-3926. (10.1364/OME.6.003916)
- Mandal, S. et al. 2016. Chemical nucleation of diamond films. ACS Applied Materials and Interfaces 8 (39), pp.26220-26225. (10.1021/acsami.6b08286)
2015
- Cuenca, J. A. et al. 2015. Investigating the broadband microwave absorption of nanodiamond impurities. IEEE Transactions on Microwave Theory and Techniques 63 (12), pp.4110-4118. (10.1109/TMTT.2015.2495156)
- Yu, S. et al., 2015. Electrochemical supercapacitors from diamond. Journal of Physical Chemistry C 119 (33), pp.18918-18926. (10.1021/acs.jpcc.5b04719)
- Cuenca, J. A. et al. 2015. Microwave determination of sp2 carbon fraction in nanodiamond powders. Carbon 81 , pp.174-178. (10.1016/j.carbon.2014.09.046)
2014
- Pope, I. et al. 2014. Coherent anti-Stokes Raman scattering microscopy of single nanodiamonds. Nature Nanotechnology 9 (11), pp.940-946. (10.1038/nnano.2014.210)
- Bautze, T. et al., 2014. Superconducting nano-mechanical diamond resonators. Carbon 72 , pp.100-105. (10.1016/j.carbon.2014.01.060)
- Thomas, E. L. H. et al. 2014. Silica based polishing of {100} and {111} single crystal diamond. Science and Technology of Advanced Materials 15 (3), pp.1-7. 035013. (10.1088/1468-6996/15/3/035013)
- Sumant, A. V. et al., 2014. MEMS/NEMS based on mono-, nano-, and ultrananocrystalline diamond films. MRS Bulletin- Materials Research Society 39 (6), pp.511-516. (10.1557/mrs.2014.98)
- Thomas, E. L. H. et al. 2014. Chemical mechanical polishing of thin film diamond. Carbon 68 , pp.473-479. (10.1016/j.carbon.2013.11.023)
- Williams, O. ed. 2014. Nanodiamond. RSC.
- Cuenca, J. et al. 2014. Broadband microwave measurements of nanodiamond. Presented at: Microwave Conference (APMC), 2014 Asia-Pacific Sendai, Japan 4-7 Nov 2014. Microwave Conference (APMC), 2014 Asia-Pacific. , pp.1-3.
2013
- Hees, J. et al., 2013. Piezoelectric actuated micro-resonators based on the growth of diamond on aluminum nitride thin films. Nanotechnology 24 (2) 025601. (10.1088/0957-4484/24/2/025601)
- Imboden, M. , Williams, O. A. and Mohanty, P. 2013. Nonlinear dissipation in diamond nanoelectromechanical resonators. Applied Physics Letters 102 (10) 103502. (10.1063/1.4794907)
- Imboden, M. , Williams, O. A. and Mohanty, P. 2013. Observation of nonlinear dissipation in piezoresistive diamond nanomechanical resonators by heterodyne down-mixing. Nano Letters 13 (9), pp.4014-4019. (10.1021/nl401978p)
- Kummer, K. et al., 2013. Thin conductive diamond films as beam intensity monitors for soft x-ray beamlines. Review of Scientific Instruments 84 (3) 035105. (10.1063/1.4794439)
- Lloret, F. et al., 2013. Diamond underlayer microstructure effect on the orientation of AlN piezoelectric layers for high frequency SAW resonators by TEM. Microelectronic Engineering 112 , pp.193-197. (10.1016/j.mee.2013.04.007)
- Reitinger, A. A. et al., 2013. Functional polymer brushes on diamond as a platform for immobilization and electrical wiring of biomolecules. Advanced Functional Materials 23 (23), pp.2979-2986. (10.1002/adfm.201202342)
- Rodríguez-Madrid, J. et al., 2013. High precision pressure sensors based on SAW devices in the GHz range. Sensors and Actuators A: Physical 189 , pp.364-369. (10.1016/j.sna.2012.09.012)
- Slocombe, D. R. et al. 2013. Microwave properties of nanodiamond particles. Applied Physics Letters 102 (24) 244102. (10.1063/1.4809823)
- Szirmai, P. et al., 2013. Observation of conduction electron spin resonance in boron-doped diamond. Physical Review B 87 (19) 195132. (10.1103/PhysRevB.87.195132)
2012
- Rodríguez-Madrid, J. G. et al., 2012. Optimization of AlN thin layers on diamond substrates for high frequency SAW resonators. Materials Letters 66 (1), pp.339-342. (10.1016/j.matlet.2011.09.003)
- Rodriguez-Madrid, J. G. et al., 2012. Super-High-Frequency SAW Resonators on AlN/Diamond. IEEE Electron Device Letters 33 (4), pp.495-497. (10.1109/LED.2012.2183851)
- Szirmai, P. et al., 2012. A detailed analysis of the Raman spectra in superconducting boron doped nanocrystalline diamond. Physica Status Solidi B Basic Research 249 (12), pp.2656-2659. (10.1002/pssb.201200461)
2011
- Hees, J. et al., 2011. Nanocrystalline diamond nanoelectrode arrays and ensembles. Acs Nano 5 (4), pp.3339-3346. (10.1021/nn2005409)
- Hees, J. , Kriele, A. and Williams, O. A. 2011. Electrostatic self-assembly of diamond nanoparticles. Chemical Physics Letters 509 (1-3), pp.12-15. (10.1016/j.cplett.2011.04.083)
- Hutter, N. A. et al., 2011. Nanostructured polymer brushes and protein density gradients on diamond by carbon templating. Soft Matter 7 (10), pp.4861-4867. (10.1039/c1sm05082f)
- Kriele, A. et al., 2011. Formation of nano-pores in nano-crystalline diamond films. Chemical Physics Letters 507 (4-6), pp.253-259. (10.1016/j.cplett.2011.03.089)
- Mandal, S. et al. 2011. The Diamond Superconducting Quantum Interference Device. ACS Nano 5 (9), pp.7144-7148. (10.1021/nn2018396)
- Smirnov, W. et al., 2011. Diamond-Modified AFM Probes: From Diamond Nanowires to Atomic Force Microscopy-Integrated Boron-Doped Diamond Electrodes. Analytical Chemistry 83 (12), pp.4936-4941. (10.1021/ac200659e)
- Williams, O. A. 2011. Nanocrystalline diamond. Diamond and Related Materials 20 (5-6), pp.621-640. (10.1016/j.diamond.2011.02.015)
2010
- Williams, O. A. et al. 2010. Size-dependent reactivity of diamond nanoparticles. Acs Nano 4 (8), pp.4824-4830. (10.1021/nn100748k)
- Dahlem, F. et al., 2010. Nanocrystalline boron-doped diamond films, a mixture of BCS-like and non-BCS-like superconducting grains. Physica Status Solidi a Applications and Materials Science 207 (9), pp.2064-2068. (10.1002/pssa.201000013)
- Dahlem, F. et al., 2010. Spatially correlated microstructure and superconductivity in polycrystalline boron-doped diamond. Physical Review B: Condensed Matter and Materials Physics 82 (3) 033306. (10.1103/PhysRevB.82.033306)
- Hutter, N. A. et al., 2010. Microstructured poly(2-oxazoline) bottle-brush brushes on nanocrystalline diamond. Physical Chemistry Chemical Physics 12 (17), pp.4360-4366. (10.1039/b923789p)
- Kromka, A. et al., 2010. Semiconducting to metallic-like boron doping of nanocrystalline diamond films and its effect on osteoblastic cells. Diamond and Related Materials 19 (2-3), pp.190-195. (10.1016/j.diamond.2009.10.003)
- Mandal, S. et al. 2010. Detailed study of superconductivity in nanostructured nanocrystalline boron doped diamond thin films. Physica Status Solidi a Applications and Materials Science 207 (9), pp.2017-2022. (10.1002/pssa.201000008)
- Mandal, S. et al. 2010. Nanostructures made from superconducting boron-doped diamond. Nanotechnology 21 (19) 195303. (10.1088/0957-4484/21/19/195303)
- Michaelson, S. et al., 2010. Bulk and surface thermal stability of ultra nanocrystalline diamond films with 10-30 nm grain size prepared by chemical vapor deposition. Journal of Applied Physics 107 (9) 093521. (10.1063/1.3359714)
- Smirnov, W. et al., 2010. Anisotropic etching of diamond by molten Ni particles. Applied Physics Letters 97 (7) 073117. (10.1063/1.3480602)
- Williams, O. A. et al. 2010. High Young's modulus in ultra thin nanocrystalline diamond. Chemical Physics Letters 495 (1-3), pp.84-89. (10.1016/j.cplett.2010.06.054)
- Wolfer, M. et al., 2010. Doping of single crystalline diamond with nickel. Physica Status Solidi a Applications and Materials Science 207 (9), pp.2054-2057. (10.1002/pssa.201000364)
2009
- Abouzar, M. H. et al., 2009. Characterisation of capacitive field-effect sensors with a nanocrystalline-diamond film as transducer material for multi-parameter sensing. Biosensors and Bioelectronics 24 (5), pp.1298-1304. (10.1016/j.bios.2008.07.056)
- Achatz, P. et al., 2009. Metal-insulator transition and superconductivity in highly boron-doped nanocrystalline diamond films. Physica Status Solidi a Applications and Materials Science 206 (9), pp.1978-1985. (10.1002/pssa.200982233)
- Achatz, P. et al., 2009. Low-temperature transport in highly boron-doped nanocrystalline diamond. Physical Review B: Condensed Matter and Materials Physics 79 (20) 201203(R). (10.1103/PhysRevB.79.201203)
- Bijnens, N. et al., 2009. Synthetic diamond films as a platform material for label-free protein sensors. Physica Status Solidi a Applications and Materials Science 206 (3), pp.520-526. (10.1002/pssa.200880485)
- Daenen, M. et al., 2009. Diamond nucleation by carbon transport from buried nanodiamond TiO2Sol-gel composites. Advanced Materials 21 (6), pp.670-673. (10.1002/adma.200802305)
- Gajewski, W. et al., 2009. Electronic and optical properties of boron-doped nanocrystalline diamond films. Physical Review B: Condensed Matter and Materials Physics 79 (4) 045206. (10.1103/PhysRevB.79.045206)
- Kriele, A. et al., 2009. Tuneable optical lenses from diamond thin films. Applied Physics Letters 95 (3) 031905. (10.1063/1.3183534)
- Kulha, P. et al., 2009. Nanocrystalline diamond piezoresistive sensor. Vacuum 84 (1), pp.53-56. (10.1016/j.vacuum.2009.04.023)
- Nebel, C. E. et al., 2009. Diamond nano-wires, a new approach towards next generation electrochemical gene sensor platforms. Diamond and Related Materials 18 (5-8), pp.910-917. (10.1016/j.diamond.2008.11.024)
- Poghossian, A. et al., 2009. Nanocrystalline-diamond thin films with high pH and penicillin sensitivity prepared on a capacitive Si-SiO2 structure. Electrochimica Acta 54 (25), pp.5981-5985. (10.1016/j.electacta.2009.03.011)
- Sillero, E. et al., 2009. Static and dynamic determination of the mechanical properties of nanocrystalline diamond micromachined structures. Journal of Micromechanics and Microengineering 19 (11) 115016. (10.1088/0960-1317/19/11/115016)
- Smisdom, N. et al., 2009. Chinese hamster ovary cell viability on hydrogen and oxygen terminated nano- and microcrystalline diamond surfaces. Physica Status Solidi a Applications and Materials Science 206 (9), pp.2042-2047. (10.1002/pssa.200982206)
- Villar, M. P. et al., 2009. A microstructural study of superconductive nanocrystalline diamond. Physica Status Solidi a Applications and Materials Science 206 (9), pp.1986-1990. (10.1002/pssa.200982224)
- Willems, B. L. et al., 2009. Intrinsic granularity in nanocrystalline boron-doped diamond films measured by scanning tunneling microscopy. Physical Review B: Condensed Matter and Materials Physics 80 (22) 224518. (10.1103/PhysRevB.80.224518)
- Willems, B. L. et al., 2009. Negative magnetoresistance in boron-doped nanocrystalline diamond films. Journal of Applied Physics 106 (3) 033711. (10.1063/1.3195045)
- Williams, O. A. et al. 2009. The Diamond Nano-Balance. Journal of Nanoscience and Nanotechnology 9 (6), pp.3483-3486. (10.1166/jnn.2009.NS20)
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Book sections
- Williams, O. A. and Bergonzo, P. 2024. Introduction. In: Mandal, S. and Yang, N. eds. Novel Aspects of Diamond II. Vol. 149, Topics in Applied Physics SPRINGER-VERLAG BERLIN. , pp.1-3. (10.1007/978-3-031-47556-6_1)
- Mandal, S. et al. 2019. Chemical mechanical polishing of nanocrystalline diamond. In: Yang, N. ed. Novel Aspects of Diamond: From Growth to Applications. Vol. 121, Topics in Applied Physics Chem: Springer. , pp.53-89. (10.1007/978-3-030-12469-4_3)
Books
- Williams, O. ed. 2014. Nanodiamond. RSC.
Conferences
- Cuenca, J. A. et al. 2023. Modelling deposition uniformity in microwave plasma cvd diamond over 2" Si wafers. Presented at: 2022 Asia-Pacific Microwave Conference (APMC) Yokohama, Japan 29 November - 02 December 2022. 2022 Asia-Pacific Microwave Conference (APMC). IEEE. (10.23919/APMC55665.2022.9999754)
- Cuenca, J. A. et al. 2023. Microwave conductivity of boron-doped nanodiamond particles. Presented at: 2022 Asia-Pacific Microwave Conference (APMC) Yokohama, Japan 29 November - 02 December 2022. 2022 Asia-Pacific Microwave Conference (APMC). IEEE. (10.23919/APMC55665.2022.9999762)
- Panduranga, P. et al., 2019. Hybrid diamond/silicon suspended integrated photonic platform using SF6 isotropic etching. Presented at: 2nd IEEE British and Irish Conference on Optics and Photonics (BICOP 2019) London, England 11-13 December 2019. 2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP). IEEE. , pp.1-4. (10.1109/BICOP48819.2019.9059586)
- Cuenca, J. et al. 2014. Broadband microwave measurements of nanodiamond. Presented at: Microwave Conference (APMC), 2014 Asia-Pacific Sendai, Japan 4-7 Nov 2014. Microwave Conference (APMC), 2014 Asia-Pacific. , pp.1-3.
- Abouzar, M. et al., 2008. Field effect sensor on nanocristalline diamond base. Presented at: 14th Expert Meeting on Sensors and Measurement Systems Ludwigsburg, Germany 11-12 March 2008. Sensoren und messsysteme. VDI-Berichte Vol. 2011. Düsseldorf: VDI-Verl.. , pp.549-558.
- Bennett, A. et al., 2007. Diamond based ion-sensitive field effect transistors for cellular biosensing. Presented at: 2006 MRS Fall Meeting Boston, MA, USA 27 November - 1 December 2006. Symposium J – Diamond Electronics—Fundamentals to Applications. MRS Proceedings Vol. 956. Cambridge: Cambridge University Press. , pp.221-227. (10.1557/PROC-0956-J16-03)
- Christiaens, P. et al., 2007. Nanocrystalline diamond-based field-effect capacitive pH sensor. Presented at: TRANSDUCERS '07 & EUROSENSORS XXI: International Solid-State Sensors, Actuators and Microsystems Conference 2007 Lyon, France 10-14 June 2007. Proceedings: TRANSDUCERS 2007: International Solid-State Sensors, Actuators and Microsystems Conference 2007. Los Alamitos, CA: IEEE. , pp.1891-1894. (10.1109/SENSOR.2007.4300527)
- Williams, O. A. , Daenen, M. and Haenen, K. 2007. Biological applications of nanocrystalline diamond. Presented at: 2006 MRS Fall Meeting Boston, MA, USA 27 November - 1 December 2006. Symposium J – Diamond Electronics—Fundamentals to Applications. MRS Proceedings Vol. 956. Cambridge: Cambridge University Press. , pp.121-125. (10.1557/PROC-0956-J05-01)
- Williams, O. A. et al. 2005. Electronic properties and applications of ultrananocrystalline diamond. Presented at: NATO Advanced Research Workshop on Synthesis, Properties and Applications of Ultrananocrystalline Diamond St. Petersburg, Russia 7-10 June 2004. Published in: Gruen, D. M. , Shenderova, O. A. and Vul’, A. Y. eds. Synthesis, Properties and Applications of Ultrananocrystalline Diamond. NATO Science Series Vol. 192/IV. Dordrecht: Springer. , pp.373-382. (10.1007/1-4020-3322-2_31)
Research
I am interested in all applications of diamond from Microelectromechanical Systems to single photon sources. I focus on the growth and processing technology of diamond to realise these devices for collaborators from Boston University through Institute Neel in Grenoble to the Nanocarbon Research Institute in Japan.
I mostly work on nanodiamond, both films and particles. I have several patents on the growth of nanocrystalline diamond films and the purification of diamond nanoparticles.
Cardiff Diamond Foundry has extensive facilities in these areas, ranging from high power Microwave Plasma Chemical Vapour Deposition systems, through custom high vacuum furnaces to Chemical Mechanical Polishing.
For more information on my current research activities, please visit:
www.cardiffdiamondfoundry.com
Teaching
- PX 3242 - Semiconductor Devices and Applications
- 4th year project supervision
- Module leader of "Devices & Fabrication" DST-CDT Module 7 of the EPSRC Centre for Doctoral Training in Diamond Technology
Biography
Professional memberships
- Fellow of the Institute of Physics
- Associate editor of Elsevier “Diamond and Related Materials”.
- EPSRC Peer Review College Member
- Member of FWO WC&T3 Experts Panel (Belgium Research Council's CMP elected panel)
Supervisions
Current supervision
Jaspa Stritt
Scott Manifold
Contact Details
[email protected]
+44 29208 74978
Queen's Buildings - North Building, Room N/1.33, 5 The Parade, Newport Road, Cardiff, CF24 3AA
+44 29208 74978
Queen's Buildings - North Building, Room N/1.33, 5 The Parade, Newport Road, Cardiff, CF24 3AA
