Professor Michael N R Ashfold

B.Sc., Ph.D.(Birm.), C.Chem., F.R.S.C., F.Inst.P., FRS

  • BS8 1TS

1977 …2020

Research output per year

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Research Output

2011

Amontonian frictional behaviour of nanostructured surfaces

Pilkington, G. A., Thormann, E., Claesson, P. M., Fuge, G. M., Fox, O. J. L., Ashfold, MNR., Leese, H., Mattia, M. & Briscoe, W. H., 2011, In : Physical Chemistry Chemical Physics. 13, p. 9318 - 9326 9 p.

Research output: Contribution to journalArticle (Academic Journal)

25 Citations (Scopus)

A theoretical and experimental study on translational and internal energies of H2O and OH from the 157 nm irradiation of amorphous solid water at 90 K

Andersson, S., Arasa, C., Yabushita, A., Yokoyama, M., Hama, T., Kawasaki, M., Western, CM. & Ashfold, MNR., 2011, In : Physical Chemistry Chemical Physics. 13, p. 15810 - 15820

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

Boron doping: B/H/C/O gas-phase chemistry; H atom density dependences on pressure and wire temperature; puzzles regarding the gas-surface mechanism

Mankelevich, Y. A., Ashfold, M. N. R., Comerford, D. W., Ma, J. & Richley, J. C., 2 May 2011, In : Thin Solid Films. 519, 14, p. 4421-4425 5 p.

Research output: Contribution to journalArticle (Academic Journal)

17 Citations (Scopus)

Combined experimental and modeling studies of microwave activated CH4/H2/Ar plasmas for microcrystalline, nanocrystalline, and ultrananocrystalline diamond deposition

Richley, J. C., Fox, O. J. L., Ashfold, M. N. R. & Mankelevich, Y. A., 15 Mar 2011, In : Journal of Applied Physics. 109, 6, p. - 14 p., 063307.

Research output: Contribution to journalArticle (Academic Journal)

27 Citations (Scopus)

Conformer specific dissociation dynamics of iodocyclohexane studied by velocity map imaging

Zaouris, D. K., Wenge, A. M., Murdock, D., Oliver, T. A. A., Richmond, G., Ritchie, G. A. D., Dixon, R. N. & Ashfold, M. N. R., 7 Sep 2011, In : Journal of Chemical Physics. 135, 9, p. - 8 p., 094312.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

Diamond growth on WC-Co substrates by hot filament chemical vapor deposition: Effect of filament-substrate separation

Wei, Q., Ashfold, M. N. R., Mankelevich, Y. A., Yu, Z. M., Liu, P. Z. & Ma, L., 2011, In : Diamond and Related Materials. 20, 5-6, p. 641-650 10 p.

Research output: Contribution to journalArticle (Academic Journal)

48 Citations (Scopus)

Exploring Nuclear Motion Through Conical Intersections in the UV Photodissociation of Azoles, Phenols and Related Systems

Oliver, T. A. A., King, G., Sage, A. & Ashfold, M., 1 Nov 2011, Conical Intersections: Theory, Computation and Experiment (Advances in Physical Chemistry). p. 603-633

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

Fabrication of adherent porous diamond films on sintered WC-13 wt.%Co substrates by bias enhanced hot filament chemical vapour deposition

Wei, Q., Ashfold, M. N. R., Yu, Z. M. & Ma, L., Sep 2011, In : physica status solidi (a). 208, 9, p. 2033-2037 5 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Fabrication of high density, adherent films of five-fold symmetric diamond crystals by hot filament chemical vapour deposition

Wei, Q., Ashfold, M. N. R., Yu, Z. M., Ma, L. & Yin, D. F., 1 Dec 2011, In : Journal of Crystal Growth. 336, 1, p. 72-76 5 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Highly conductive nanoclustered carbon:nickel films grown by pulsed laser deposition

Jayawardena, K. D. G. I., Tan, Y. Y., Fryar, J., Shiozawa, H., Silva, S. R. P., Henley, S. J., Fuge, G. M., Truscott, B. S. & Ashfold, M. N. R., Oct 2011, In : Carbon. 49, 12, p. 3781-3788 8 p.

Research output: Contribution to journalArticle (Academic Journal)

13 Citations (Scopus)

High resolution photofragment translational spectroscopy using Rydberg tagging methods

Ashfold, M. N. R., King, G. A., Nix, M. G. D. & Oliver, T. A. A., 11 Sep 2011, Handbook of High Resolution Spectroscopy. Quack, M. & Merkt, F. (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

Lasers in Chemistry

Harrison, T. G., Ashfold, M. N. R. & Orr-Ewing, A. J., 2011, Chemistry Review, 21, 1, p. 2-6 5 p.

Research output: Contribution to specialist publicationArticle (Specialist Publication)

Linking photochemistry in the gas and solution phase: S-H bond fission in p-methylthiophenol following UV photoexcitation

Oliver, T. A. A., Zhang, Y., Ashfold, M. N. R. & Bradforth, S. E., 25 May 2011, In : Faraday Discussions. 150, p. 439-58; discussion 505-32

Research output: Contribution to journalArticle (Academic Journal)

34 Citations (Scopus)

Linking photochemistry in the gas and solution phase: S-H bond fission following UV excitation of thiophenols

Ashfold, M. N. R., Oliver, T. A. A., Zhang, Y. & Bradforth, S. E., 28 Aug 2011, Abstracts of American Chemical Society Meeting. Vol. 242. p. - 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

nσ* and πσ* excited states in aryl halide photochemistry: a comprehensive study of the UV photodissociation dynamics of iodobenzene

Sage, A. G., Oliver, T. A. A., Murdock, D., Crow, M. B., Ritchie, G. A. D., Harvey, J. N. & Ashfold, M. N. R., 14 May 2011, In : Physical Chemistry Chemical Physics. 13, 18, p. 8075-8093 19 p.

Research output: Contribution to journalArticle (Academic Journal)

39 Citations (Scopus)

PHOTOCHEMISTRY: Scrambled by the Sun?

Ashfold, M. N. R. & Glowacki, D. R., Jun 2011, In : Nature Chemistry. 3, 6, p. 423-424 3 p.

Research output: Contribution to journalComment/debate (Academic Journal)

4 Citations (Scopus)

Position matters: competing O-H and N-H photodissociation pathways in hydroxy- and methoxy-substituted indoles

Oliver, T. A. A., King, G. A. & Ashfold, M. N. R., 28 Aug 2011, In : Physical Chemistry Chemical Physics. 13, 32, p. 14646-14662 17 p.

Research output: Contribution to journalArticle (Academic Journal)

33 Citations (Scopus)

Tunnelling under a conical intersection: application to the product vibrational state distributions in the UV photodissociation of phenols

Dixon, R. N., Oliver, T. A. A. & Ashfold, M. N. R., May 2011, In : Journal of Chemical Physics. 134, 19, p. 1943031-11 11 p.

Research output: Contribution to journalArticle (Academic Journal)

106 Citations (Scopus)

Vibrationally quantum-state-specific reaction dynamics of H atom abstraction by CN radical in solution

Greaves, S. J., Rose, R. A., Oliver, T. A. A., Glowacki, D. R., Ashfold, M. N. R., Harvey, J. N., Clarke, I. P., Greetham, G. M., Parker, A. W., Towrie, M. & Orr-Ewing, A. J., 18 Mar 2011, In : Science. 331, 6023, p. 1423 - 1426 4 p.

Research output: Contribution to journalArticle (Academic Journal)

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66 Citations (Scopus)
376 Downloads (Pure)
2010

A desorption mechanism of water following vacuum-ultraviolet irradiation on amorphous solid water at 90 K

Hama, T., Yokoyama, M., Yabushita, A., Kawasaki, M., Andersson, S., Western, C. M., Ashfold, M. N. R., Dixon, R. N. & Watanabe, N., 28 Apr 2010, In : Journal of Chemical Physics. 132, 16, p. 1-8 8 p., 164508.

Research output: Contribution to journalArticle (Academic Journal)

29 Citations (Scopus)

Dynamical insights into 1πσ* state mediated photodissociation of aniline

King, G. A., Oliver, T. A. A. & Ashfold, M. N. R., 7 Jun 2010, In : Journal of Chemical Physics. 132, 21, p. - 12 p., 214307.

Research output: Contribution to journalArticle (Academic Journal)

59 Citations (Scopus)

Effects of thickness and cycle parameters on fretting wear behavior of CVD diamond coatings on steel substrates

Wei, Q., Yu, Z. M., Ashfold, M. N. R., Chen, Z., Wang, L. & Ma, L., 25 Sep 2010, In : Surface and Coatings Technology. 205, 1, p. 158-167 10 p.

Research output: Contribution to journalArticle (Academic Journal)

32 Citations (Scopus)

Exploring the mechanisms of H atom loss in simple azoles: Ultraviolet photolysis of pyrazole and triazole

King, G. A., Oliver, T. A. A., Nix, M. G. D. & Ashfold, M. N. R., 14 Feb 2010, In : Journal of Chemical Physics. 132, 6, p. - 13 p., 064305.

Research output: Contribution to journalArticle (Academic Journal)

25 Citations (Scopus)

Fretting wear and electrochemical corrosion of well-adhered CVD diamond films deposited on steel substrates with a WC-Co interlayer

Wei, Q., Yu, Z. M., Ashfold, M. N. R., Ma, L. & Chen, Z., Oct 2010, In : Diamond and Related Materials. 19, 10, p. 1144-1152 9 p.

Research output: Contribution to journalArticle (Academic Journal)

20 Citations (Scopus)

Simulations of polycrystalline CVD diamond film growth using a simplified Monte Carlo model

May, P. W., Allan, N. L., Ashfold, M. N. R., Richley, J. C. & Mankelevich, Y. A., 2010, In : Diamond and Related Materials. 19, 5-6, p. 389-396 8 p.

Research output: Contribution to journalArticle (Academic Journal)

16 Citations (Scopus)

Spectroscopic and Modeling Investigations of the Gas-Phase Chemistry and Composition in Microwave Plasma Activated B2H6/Ar/H2 Mixtures

Ma, J., Richley, J. C., Davies, D. R. W., Cheesman, A., Ashfold, M. N. R. & Mankelevich, Y. A., 25 Feb 2010, In : Journal of Physical Chemistry A. 114, 7, p. 2447-2463 17 p.

Research output: Contribution to journalArticle (Academic Journal)

9 Citations (Scopus)

Spectroscopic and modeling investigations of the gas phase chemistry and composition in microwave plasma activated B2H6/CH4/Ar/H2 gas mixtures

Ma, J., Richley, JC., Davies, DRW. & Ashfold, MNR., 2010, In : Journal of Physical Chemistry A. 114, p. 10076 - 10089

Research output: Contribution to journalArticle (Academic Journal)

28 Citations (Scopus)

Synthesis of micro- or nano-crystalline diamond films on WC-Co substrates with various pretreatments by hot filament chemical vapor deposition

Wei, Q., Yu, Z. M., Ashfold, M. N. R., Ye, J. & Ma, L., 15 Apr 2010, In : Applied Surface Science. 256, 13, p. 4357-4364 8 p.

Research output: Contribution to journalArticle (Academic Journal)

75 Citations (Scopus)

The conformer resolved ultraviolet photodissociation of morpholine

Oliver, T. A. A., King, G. & Ashfold, M., 12 May 2010, In : Chemical Science. 1, p. 89-96

Research output: Contribution to journalArticle (Academic Journal)

21 Citations (Scopus)

The ultraviolet photodissociation of axial and equatorial conformers of 3-pyrroline

Oliver, T. A. A., King, G. A. & Ashfold, M. N. R., 21 Nov 2010, In : Journal of Chemical Physics. 133, 19, 6 p., 194303.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

Toward a Single ZnO Nanowire Homojunction

Sun, Y., Fox, NA., Fuge, GM. & Ashfold, MNR., 2010, In : Journal of Physical Chemistry C. 114, 49, p. 21338 - 21341

Research output: Contribution to journalArticle (Academic Journal)

13 Citations (Scopus)

Ultraviolet photodissociation dynamics of 2-methyl, 3-furanthiol: tuning pi-conjugation in sulfur substituted heterocycles

Oliver, T. A. A., King, G. A., Nix, M. & Ashfold, M. N. R., 28 Jan 2010, In : Journal of Physical Chemistry A. 114, 3, p. 1338-1346 9 p.

Research output: Contribution to journalArticle (Academic Journal)

6 Citations (Scopus)

Velocity map imaging studies of the photodissociation of H2O+ cations

Sage, A. G., Oliver, T. A. A., Dixon, R. N. & Ashfold, M. N. R., 9 Apr 2010, In : Molecular Physics. 108, 7-9, p. 945-955 11 p.

Research output: Contribution to journalArticle (Academic Journal)

29 Citations (Scopus)

πσ* excited states in molecular photochemistry

Ashfold, M. N. R., King, G. A., Murdock, D., Nix, M., Oliver, T. A. A. & Sage, A. G., 14 Feb 2010, In : Physical Chemistry Chemical Physics. 12, 6, p. 1218-1238 21 p.

Research output: Contribution to journalArticle (Academic Journal)

236 Citations (Scopus)
2009

High resolution photofragment translational spectroscopy studies of the ultraviolet photolysis of phenol-d(5)

King, G. A., Oliver, T. A. A., Nix, M. & Ashfold, M. N. R., 16 Jul 2009, In : Journal of Physical Chemistry A. 113, 28, p. 7984-7993 10 p.

Research output: Contribution to journalArticle (Academic Journal)

58 Citations (Scopus)

Imaging Studies of the Photodissociation of NH3+ and ND3+ Cations

Webb, A. D., Nahler, N. H. & Ashfold, M. N. R., 23 Apr 2009, In : Journal of Physical Chemistry A. 113, 16, p. 3773-3778 6 p.

Research output: Contribution to journalArticle (Academic Journal)

12 Citations (Scopus)

On the mechanism of H atom production in hot filament activated H2 and CH4/H2 gas mixtures

Comerford, D. W., Smith, J. A., Ashfold, M. N. R. & Mankelevich, Y. A., 28 Jul 2009, In : Journal of Chemical Physics. 131, 4, p. - 12 p., 044326.

Research output: Contribution to journalArticle (Academic Journal)

21 Citations (Scopus)

On the Role of Carbon Radical Insertion Reactions in the Growth of Diamond by Chemical Vapor Deposition Methods

Richley, J. C., Harvey, J. N. & Ashfold, M. N. R., 22 Oct 2009, In : Journal of Physical Chemistry A. 113, 42, p. 11416-11422 7 p.

Research output: Contribution to journalArticle (Academic Journal)

22 Citations (Scopus)

Quantum cascade laser investigations of CH4 and C2H2 interconversion in hydrocarbon/H2 gas mixtures during microwave plasma enhanced chemical vapor deposition of diamond

Ma, J., Cheesman, A., Ashfold, M. N. R., Hay, K. G., Wright, S., Langford, N., Duxbury, G. & Mankelevich, Y. A., 1 Aug 2009, In : Journal of Applied Physics. 106, 3, p. - 15 p., 033305.

Research output: Contribution to journalArticle (Academic Journal)

29 Citations (Scopus)

Simplified Monte Carlo Simulations of CVD Diamond Growth

May, PW., Allan, NL., Ashfold, MNR., Richley, JC. & Mankelevich, YA., 2009, In : Journal of Physics Condensed Matter. 12, p. 364203:1 - 18

Research output: Contribution to journalArticle (Academic Journal)

26 Citations (Scopus)

The role of inert gas in MW-enhanced plasmas for the deposition of nanocrystalline diamond thin films

Fox, OJL., Ma, J., May, PW., Ashfold, MNR. & Mankelevich, YA., 2009, In : Diamond & Related Materials. 18, p. 750 - 758

Research output: Contribution to journalArticle (Academic Journal)

24 Citations (Scopus)

Translational and internal energy distributions of methyl and hydroxyl radicals produced by 157 nm photodissociation of amorphous solid methanol

Hama, T., Yokoyama, M., Yabushita, A., Kawasaki, M., Wickramasinghe, P., Guo, W., Loock, H-P., Ashfold, M. N. R. & Western, C. M., 14 Dec 2009, In : Journal of Chemical Physics. 131, 22, p. - 8 p., 224512.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

TRANSLATIONAL AND ROTATIONAL ENERGY MEASUREMENTS OF PHOTODESORBED WATER MOLECULES IN THEIR VIBRATIONAL GROUND STATE FROM AMORPHOUS SOLID WATER

Yabushita, A., Hama, T., Yokoyama, M., Kawasaki, M., Andersson, S., Dixon, R. N., Ashfold, M. N. R. & Watanabe, N., 10 Jul 2009, In : Astrophysical Journal. 699, 2, p. L80-L83 4 p.

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)

Ultrathin aligned ZnO nanorod arrays grown by a novel diffusive pulsed laser deposition method

Fuge, G. M., Holmes, T. M. S. & Ashfold, M. N. R., 7 Sep 2009, In : Chemical Physics Letters. 479, 1-3, p. 125-127 3 p.

Research output: Contribution to journalArticle (Academic Journal)

27 Citations (Scopus)

Understanding the chemical vapor deposition of diamond: recent progress

Butler, J. E., Mankelevich, Y. A., Cheesman, A., Ma, J. & Ashfold, M. N. R., 9 Sep 2009, In : Journal of Physics Condensed Matter. 21, 36, p. - 20 p., 364201.

Research output: Contribution to journalReview article (Academic Journal)

152 Citations (Scopus)

Validating optical emission spectroscopy as a diagnostic of microwave activated CH4/Ar/H2 plasmas used for diamond chemical vapor deposition

Ma, J., Ashfold, M. N. R. & Mankelevich, Y. A., Feb 2009, In : Journal of Applied Physics. 105, 4, 12 p., 043302.

Research output: Contribution to journalArticle (Academic Journal)

89 Citations (Scopus)
2008

Exploring nuclear motion through conical intersections in the UV photodissociation of phenols and thiophenol

Ashfold, M. N. R., Devine, A. L., Dixon, R. N., King, G. A., Nix, M. G. D. & Oliver, T. A. A., 2 Sep 2008, In : Proceedings of the National Academy of Sciences of the United States of America. 105, 35, p. 12701-12706 6 p.

Research output: Contribution to journalArticle (Academic Journal)

132 Citations (Scopus)

Filament seasoning and its effect on the chemistry prevailing in hot filament activated gas mixtures used in diamond chemical vapour deposition

Comerford, DW., D'Haenens-Johansson, UFS., Smith, JA., Ashfold, MNR. & Mankelevich, YA., Jan 2008, In : Thin Solid Films. 516, p. 521 - 525 5 p.

Research output: Contribution to journalArticle (Academic Journal)

11 Citations (Scopus)

Growth of ZnO nanorods from the gas phase

Sun, Y., Warren, JL., Ashfold, MNR. & Claeyssens, F., 2008, Nanorods, Nanotubes and Nanomaterial Research Developments. Prescott, WV. (ed.). Nova Science Publishers, p. 239 - 278 40 p.

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

Hydrothermal growth of ZnO nanorods aligned parallel to the substrate surface

Sun, Y., Fox, N. A., Riley, D. J. & Ashfold, M. N. R., Jun 2008, In : Journal of Physical Chemistry C. 112, 25, p. 9234 - 9239 6 p.

Research output: Contribution to journalArticle (Academic Journal)

29 Citations (Scopus)