Michael N R Ashfold

Personal profile

Research interests

Detailed studies of the UV photochemistry and photophysics of gas phase molecules using a variety of state-of-the-art laser based techniques including H atom photofragment translational spectroscopy and velocity map ion imaging, and complementary electronic structure calculations. Current activities include extension of these methods to allow study of larger, less volatile (bio)molecules in the gas phase, the application of multimass imaging methods, and using ultrafast time-resolved pump-probe methods to explore the UV photochemistry and photophysics of such molecules in solution.

Growth and characterisation of diamond thin films grown by chemical vapour deposition (CVD). Current interest centres on exploring the gas phase and gas-surface chemistry that underpins CVD of diamond (and doped diamond) in microwave reactors using a range of laser and optical emission spectroscopy methods, plasma modelling, and QM/MM modelling of the gas-surface reactions.

Pulsed laser ablation and deposition as a route to forming nanostructured thin films, focussing particular on detailed investigations of the laser-target and laser-plume interactions through careful analysis of temporally, spatially and wavelength resolved images of optical emission from the ablation plume.

Professor Ashfold is a supervisor in the EPSRC Centre for Doctoral Training in Diamond Science and Technology.

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Projects

13 Finished

Chemical Applications of Velocity & Spatial Imaging

Orr-Ewing, A. J. & Ashfold, M. N. R.

8/01/14 → 31/12/19

Project: Research

Metrology concepts for a new generation of plasma manufacturing with atom-scale precision

Ashfold, M. N. R.

1/07/13 → 21/12/18

Project: Research

NEW HORIZONS IN CHEMICAL AND PHOTOCHEMICAL DYNAMICS

Orr-Ewing, A. J. & Ashfold, M. N. R.

1/10/08 → 1/04/14

Project: Research

Research Output

414 Article (Academic Journal)
19 Conference Contribution (Conference Proceeding)
10 Review article (Academic Journal)
8 Chapter in a book
8 More

Diamond chemical vapor deposition using a zero-total gas ﬂow environment

Croot, A., Mahoney, E. J. D., Dominguez Andrade, H., Ashfold, M. N. R. & Fox, N. A., 22 Jul 2020, In : Diamond and Related Materials. 109, 7 p., 108011.

Research output: Contribution to journal › Article (Academic Journal)

Effects of ring-strain on the ultrafast photochemistry of cyclic ketones

Kao, M-H., Venkatraman, R. K., Ashfold, M. N. R. & Orr-Ewing, A. J., 13 Jan 2020, In : Chemical Science. 11, p. 1991-2000 10 p.

Research output: Contribution to journal › Article (Academic Journal)

Open Access

File

84 Downloads (Pure)

Nitrogen in Diamond

Ashfold, M. N. R., Goss, J. P., Green, B. L., May, P. W., Newton, M. E. & Peaker, C. V., 24 Jun 2020, In : Chemical Reviews. 120, p. 5745-5794 50 p., 12.

Research output: Contribution to journal › Review article (Academic Journal)

Datasets

Photodissociation of 2- and 3-substituted thiophenols

Karsili, T. (Creator), Ashfold, M. N. R. (Creator) & Marchetti, B. (Creator), University of Bristol, 23 Mar 2017

DOI: 10.5523/bris.3i6yzrcdzlpwj268bqtcluzo2s, http://data.bris.ac.uk/data/dataset/3i6yzrcdzlpwj268bqtcluzo2s

Dataset

Ultrafast Chemical Dynamics: BrCN photolysis in PFCs

Grubb, M. (Creator), Orr-Ewing, A. J. (Creator), Marroux, H. (Creator), Coulter, P. (Creator) & Ashfold, M. N. R. (Creator), University of Bristol, 12 Jul 2016

DOI: 10.5523/bris.2xxv3rqrmql41m55jnp7n6v89, http://data.bris.ac.uk/data/dataset/2xxv3rqrmql41m55jnp7n6v89

Dataset