Projects per year
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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Network
Projects
- 13 Finished
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Chemical Applications of Velocity & Spatial Imaging
Orr-Ewing, A. J. & Ashfold, M. N. R.
8/01/14 → 31/12/19
Project: Research
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Metrology concepts for a new generation of plasma manufacturing with atom-scale precision
1/07/13 → 21/12/18
Project: Research
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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
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Electronic absorption spectroscopy and photochemistry of Criegee intermediates.
Karsili, T. N. V., Marchetti, B., Lester, M. I. & Ashfold, M. N. R., 16 Jun 2022, (Accepted/In press) In: Photochemistry and Photobiology.Research output: Contribution to journal › Article (Academic Journal) › peer-review
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Multi-mass velocity map imaging study of the 805 nm strong field ionization of CF3I
Crane, S. W., Lee, J. W. L. & Ashfold, M. N. R., 11 Aug 2022, In: Physical Chemistry Chemical Physics. 24, p. 18830-18840 11 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
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Probing the electronic structure and photophysics of thiophene–diketopyrrolopyrrole derivatives in solution
Polak, D. W., Casal, M., Toldo, J., Hu, X., Amoruso, G., Pomeranc, O., Heeney, M., Barbatti, M., Ashfold, M. N. R. & Oliver, T. A. A., 15 Aug 2022, (E-pub ahead of print) In: Physical Chemistry Chemical Physics. 36 p.Research output: Contribution to journal › Article (Academic Journal) › peer-review
Open AccessFile
Datasets
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VMI of bromocyclopropane
Orr-Ewing, A. J. (Creator), Pandit, S. (Contributor) & Ashfold, M. N. R. (Data Manager), University of Bristol, 4 Apr 2016
DOI: 10.5523/bris.te9ou22hm25v18e1b9ia5wbyl, http://data.bris.ac.uk/data/dataset/te9ou22hm25v18e1b9ia5wbyl
Dataset
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Mechanistic insights into the excited state intramolecular proton transfer in supramolecular chemosensors
Ashfold, M. N. R. (Creator) & Marchetti, B. (Creator), University of Bristol, 6 Oct 2016
DOI: 10.5523/bris.836bu3nhnbzg1pszfc2xowr44, http://data.bris.ac.uk/data/dataset/836bu3nhnbzg1pszfc2xowr44
Dataset
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Liu Hao et al. (2015): Position- and time-resolved Stark broadening diagnostics of a non-thermal laser-induced plasma
Truscott, B. (Creator), Ashfold, M. N. R. (Creator) & Liu, H. (Creator), University of Bristol, 13 Oct 2015
DOI: 10.5523/bris.tavsvmgiyjik1gctcdl0adm2c, http://data.bris.ac.uk/data/dataset/tavsvmgiyjik1gctcdl0adm2c
Dataset
Activities
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Kyoto University
Michael N R Ashfold (Visitor)
17 Aug 2014 → 19 Aug 2014Activity: Visiting an external institution types › Visiting an external academic institution
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29th Annual Symposium on Chemical Physics
Michael N R Ashfold (Speaker)
2 Nov 2013Activity: Participating in or organising an event types › Invited talk
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‘Frontiers in Chemistry’ Lecture
Michael N R Ashfold (Speaker)
28 Oct 2013Activity: Participating in or organising an event types › Invited talk