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

The ultraviolet photodissociation of Cl2O at 235 nm and HOCl at 235 nm and 266 nm

Tanaka, Y., Kawasaki, M., Matsumi, Y., Fujiwara, H., Ishiwata, T., Rogers, LJ., Dixon, RN. & Ashfold, MNR., 1998, In : Journal of Chemical Physics. 109, p. 1315 - 1323

Research output: Contribution to journalArticle (Academic Journal)

43 Citations (Scopus)

The Ultraviolet Photodissociation of HN3: The H + N3 Product Channel

Cook, PA., Langford, SR. & Ashfold, MNR., 1999, In : Physical Chemistry Chemical Physics. 1, p. 45 - 56

Research output: Contribution to journalArticle (Academic Journal)

The UV photodissociation of HI revisited: REMPI measurements of the I(2P) atom spin-orbit branching fractions

Regan, PM., Ascenzi, D., Clementi, C., Ashfold, MNR. & Orr-Ewing, AJ., 1999, In : Chemical Physics Letters. 315, p. 187 - 193

Research output: Contribution to journalArticle (Academic Journal)

Thin film diamond by chemical vapour deposition methods

Ashfold, MNR., May, PW., Rego, CA. & Everitt, NM., 1994, In : Chemical Society Reviews. 23, p. 21 - 30 9 p.

Research output: Contribution to journalArticle (Academic Journal)

176 Citations (Scopus)

Third harmonic generation in molecular gases

Ashfold, MNR. & Prince, JD., 1991, In : Molecular Physics. 73, p. 297 - 315 18 p.

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)

14 Citations (Scopus)

Towards Understanding Photodegradation Pathways in Lignins: The Role of Intramolecular Hydrogen Bonding in Excited States

Young, J. D., Staniforth, M., Dean, J. C., Roberts, G. M., Mazzoni, F., Karsili, T. N. V., Ashfold, M. N. R., Zwier, T. S. & Stavros, V. G., 19 Jun 2014, In : Journal of Physical Chemistry Letters. 5, 12, p. 2138-2143 6 p.

Research output: Contribution to journalArticle (Academic Journal)

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17 Citations (Scopus)
409 Downloads (Pure)

Tracking a Paterno-Buchi Reaction in Real Time Using Transient Electronic and Vibrational Spectroscopies

Harris, S. J., Murdock, D., Grubb, M. P., Clark, I. P., Greetham, G. M., Towrie, M. & Ashfold, M. N. R., 6 Nov 2014, In : Journal of Physical Chemistry A. 118, 44, p. 10240-10245 6 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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3 Citations (Scopus)
252 Downloads (Pure)

Tracking the Ultraviolet Photochemistry of Thiophenone During and After the Initial Ultrafast Ring Opening

Pathak, S., Ibele, L. M., Boll, R., Callegari, C., Demidovich, A., Erk, B., Feifel, R., Forbes, R., Di Fraia, M., Giannessi, L., Hansen, C. S., Holland, D. M. P., Ingle, R. A., Mason, R., Plekan, O., Prince, K. C., Rouzée, A., Squibb, R. J., Tross, J., Ashfold, M. N. R. & 2 others, Curchod, B. F. E. & Rolles, D., 20 Jul 2020, In : Nature Chemistry. 12, p. 795-800

Research output: Contribution to journalArticle (Academic Journal)

Transient electronic and vibrational absorption studies of the photo-Claisen and photo-Fries rearrangements

Harris, S. J., Murdock, D., Grubb, M. P., Greetham, G. M., Clark, I. P., Towrie, M. & Ashfold, M. N. R., 1 Feb 2014, In : Chemical Science. 5, 2, p. 707-714 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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8 Citations (Scopus)
335 Downloads (Pure)
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33 Citations (Scopus)
139 Downloads (Pure)

Translational, rotational and vibrational relaxation dynamics of a solute molecule in a non-interacting solvent

Grubb, M. P., Coulter, P. M., Marroux, H. J. B., Hornung, B., McMullen, R. S., Orr-Ewing, A. J. & Ashfold, M. N. R., Nov 2016, In : Nature Chemistry. 8, 11, p. 1042-1046 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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9 Citations (Scopus)
336 Downloads (Pure)

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)

Translational spectroscopy of H(D) atom fragments arising from the photodissociation of H2S(D2S): A redetermination of Doo(S-H)

Morley, GP., Lambert, IR., Mordaunt, DH., Wilson, SHS., Ashfold, MNR., Dixon, RN. & Western, CM., 1993, In : Journal of the Chemical Society, Faraday Transactions. 89, p. 3865 - 3876 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Translational spectroscopy of H atom photofragments

Ashfold, MNR., Lambert, IR., Mordaunt, DH., Morley, GP. & Western, CM., 1992, 'Optical Methods for Time- and State- Resolved Chemistry' (ed. C-Y Ng), Proc SPIE. Vol. 1638. p. 144 - 155 11 p.

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

1 Citation (Scopus)

Triplet excited states of the NH(ND) radical revealed via two photon resonant multiphoton spectroscopy

Clement, SG., Ashfold, MNR., Western, CM., Johnson Iii, RD. & Hudgens, JW., 1992, In : Journal of Chemical Physics. 96, p. 5538 - 5540 2 p.

Research output: Contribution to journalArticle (Academic Journal)

Triplet Rydberg states of the imidogen radical characterized via two-photon resonance enhanced multiphoton ionization spectroscopy

Clement, SG., Ashfold, MNR., Western, CM., Johnson Iii, RD. & Hudgens, JW., 1992, In : Journal of Chemical Physics. 97, p. 7064 - 7072 8 p.

Research output: Contribution to journalArticle (Academic Journal)

18 Citations (Scopus)

Tungsten oxide nanorod growth by pulsed laser deposition: influence of substrate and process conditions

Huang, P., Kalyar, M. M. A., Webster, R. F., Cherns, D. & Ashfold, M. N. R., 21 Nov 2014, In : Nanoscale. 6, 22, p. 13586-13597 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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4 Citations (Scopus)
185 Downloads (Pure)

Tuning photochemistry: substituent effects on πσ* state mediated bond fission in thioanisoles

Wenge, A. M., Karsili, T. N. V., Rodríguez, J. D., Cotterell, M. I., Marchetti, B., Dixon, R. N. & Ashfold, M. N. R., 7 Jul 2015, In : Physical Chemistry Chemical Physics. 17, 25, p. 16246-56 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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10 Citations (Scopus)
373 Downloads (Pure)

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)

Two colour laser induced grating spectroscopy of iodine vapour

Wheeler, MD., Lambert, IR. & Ashfold, MNR., 1993, In : Chemical Physics Letters. 211, p. 381 - 384 3 p.

Research output: Contribution to journalArticle (Academic Journal)

16 Citations (Scopus)

Two colour two photon four wave mixing spectroscopy of ammonia

Ashfold, MNR., Chandler, DW., Hayden, CC., Mckay, RI. & Heck, AJR., 1995, In : Chemical Physics. 201, p. 237 - 244

Research output: Contribution to journalArticle (Academic Journal)

Two photon resonance enhanced MPI-PES above the lowest ionisation threshold: observation of the [a1Δ]5pπ 2Φ state of the SH(SD) radical

Milan, JB., Buma, WJ., De Lange, CA., Western, CM. & Ashfold, MNR., 1995, In : Chemical Physics Letters. 239, p. 326 - 331

Research output: Contribution to journalArticle (Academic Journal)

Ultrafast Excited-State Dynamics of 2,4-Dimethylpyrrole

Staniforth, M., Young, J. D., Cole, D. R., Karsili, T. N. V., Ashfold, M. N. R. & Stavros, V. G., 20 Nov 2014, In : Journal of Physical Chemistry A. 118, 46, p. 10909-10918 10 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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16 Citations (Scopus)
138 Downloads (Pure)

Ultrafast photophysical studies of a multicomponent sunscreen: Oxybenzone–titanium dioxide mixtures

Baker, L. A., Grosvenor, L. C., Ashfold, M. N. R. & Stavros, V. G., 1 Nov 2016, In : Chemical Physics Letters. 664, p. 39-43 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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11 Citations (Scopus)
298 Downloads (Pure)

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)

Ultraviolet photochemistry of 2-bromothiophene explored using universal ionization detection and multi-mass velocity-map imaging with a PImMS2 sensor

Ingle, R. A., Hansen, C. S., Elsdon, E., Bain, M., King, S. J., Lee, J. W. L., Brouard, M., Vallance, C., Turchetta, R. & Ashfold, M. N. R., 7 Jul 2017, In : Journal of Chemical Physics. 147, 1, 11 p., 013914.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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8 Citations (Scopus)
446 Downloads (Pure)

Ultraviolet photochemistry of ethane: implications for the atmospheric chemistry of the gas giants

Chang, Y., Yang, J., Chen, Z., Zhang, Z., Yu, Y., Li, Q., He, Z., Zhang, W., Wu, G., Ingle, R. A., Bain, M., Ashfold, M. N. R., Yuan, K., Yang, X. & Hansen, C. S., 29 Apr 2020, In : Chemical Science. 19, p. 5089-5097 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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48 Downloads (Pure)

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)

Ultraviolet photodissociation dynamics of formyl fluoride, II: Energy disposal in the H + FCO product channel

Reed, CL., Kono, M., Langford, SR., Dixon, RN. & Ashfold, MNR., 1997, In : Journal of the Chemical Society, Faraday Transactions. 93, p. 2721 - 2730

Research output: Contribution to journalArticle (Academic Journal)

Ultraviolet Photodissociation of Gas-Phase Transition Metal Complexes: Dicarbonylcyclopentadienyliodoiron(II)

Hansen, C. S., Marchetti, B., Karsili, T. N. V. & Ashfold, M. N. R., 9 Sep 2020, In : Molecular Physics. e1813343.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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30 Downloads (Pure)

Ultraviolet photolysis of adenine: Dissociation via the 1πσ* state 

Nix, MG., Devine, AL., Cronin, B. & Ashfold, MNR., Mar 2007, In : Journal of Chemical Physics. 126 (12, 124312), p. 1 - 10 10 p.

Research output: Contribution to journalArticle (Academic Journal)

62 Citations (Scopus)

Ultraviolet Photolysis of Formyl Fluoride: the F + HCO Product Channel

Maul, C., Dietrich, C., Haas, T., Gericke, K-H., Tachikawa, H., Langford, SR., Kono, M., Reed, CL., Dixon, RN. & Ashfold, MNR., 1999, In : Physical Chemistry Chemical Physics. 1, p. 767 - 772

Research output: Contribution to journalArticle (Academic Journal)

13 Citations (Scopus)

Ultraviolet Photolysis of H2S and its Implications for SH Radical Production in the Interstellar Medium

Zhou, J., Zhao, Y., Hansen, C. S., Yang, J., Chang, Y., Yu, Y., Cheng, G., Chen, Z., He, Z., Yu, S., Ding, H., Zhang, W., Western, C. M., Ashfold, M. N. R., Yuan, K. & Yang, X., 24 Mar 2020, In : Nature Communications. 11, 8 p., 1547.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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50 Downloads (Pure)

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)

153 Citations (Scopus)

Unravelling aspects of the gas phase chemistry involved in diamond chemical vapour deposition

Ashfold, MNR., May, PW., Petherbridge, JR., Rosser, KN., Smith, JA., Mankelevich, YA. & Suetin, NV., 2001, In : Physical Chemistry Chemical Physics. 3, p. 3471 - 3485

Research output: Contribution to journalArticle (Academic Journal)

81 Citations (Scopus)

Unravelling the mechanisms of vibrational relaxation in solution

Grubb, M. P., Coulter, P. M., Marroux, H. J. B., Orr-Ewing, A. J. & Ashfold, M. N. R., 28 Mar 2017, In : Chemical Science. 8, 4, p. 3062-3069 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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8 Citations (Scopus)
471 Downloads (Pure)

Use of different excitation wavelengths for the analysis of CVD diamond by Laser Raman Spectroscopy

Leeds, SM., Davis, TJ., May, PW., Pickard, CDO. & Ashfold, MNR., 1998, Diamond and Related Materials. Vol. 7. p. 233 - 237

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

75 Citations (Scopus)

UV-Induced Isomerization Dynamics of N-Methyl-2-pyridone in Solution

Murdock, D., Harris, S. J., Clark, I. P., Greetham, G. M., Towrie, M., Orr-Ewing, A. J. & Ashfold, M. N. R., 8 Jan 2015, In : Journal of Physical Chemistry A. 119, 1, p. 88-94 7 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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8 Citations (Scopus)
261 Downloads (Pure)

UV photodissociation dynamics of iodobenzene: Effects of fluorination

Murdock, D., Crow, M. B., Ritchie, G. A. D. & Ashfold, M. N. R., 28 Mar 2012, In : Journal of Chemical Physics. 136, 12, p. - 14 p., 124313.

Research output: Contribution to journalArticle (Academic Journal)

15 Citations (Scopus)

UV photodissociation of N-methylpyrrole: The role of 1πσ* states in non-hydride heteroaromatic systems

Sage, AG., Nix, MG. & Ashfold, MNR., May 2008, In : Chemical Physics. 347, p. 300 - 308 9 p.

Research output: Contribution to journalArticle (Academic Journal)

24 Citations (Scopus)

UV Photodissociation of Pyrroles: Symmetry and Substituent Effects

Karsili, T. N. V., Marchetti, B., Moca, R. & Ashfold, M. N. R., 21 Nov 2013, In : Journal of Physical Chemistry A. 117, 46, p. 12067-12074 8 p.

Research output: Contribution to journalArticle (Academic Journal)

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23 Citations (Scopus)
296 Downloads (Pure)

UV photolysis of 4-iodo-, 4-bromo-, and 4-chlorophenol: Competition between C-Y (Y = halogen) and O-H bond fission

Sage, A. G., Oliver, T. A. A., King, G. A., Murdock, D., Harvey, J. N. & Ashfold, M. N. R., 28 Apr 2013, In : Journal of Chemical Physics. 138, 16, 12 p., 164318.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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13 Citations (Scopus)
323 Downloads (Pure)

Vacuum ultraviolet photochemistry of methane, silane and germane

Cook, PA., Ashfold, MNR., Jee, Y-J., Jung, K-H., Harich, S. & Yang, X., 2001, In : Physical Chemistry Chemical Physics. 3, p. 1848 - 1860

Research output: Contribution to journalArticle (Academic Journal)

38 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)

91 Citations (Scopus)

Velocity map imaging of the near-threshold photodissociation of IBr: accurate determination of De(I-Br)

Wrede, E., Laubach, S., Schulenberg, S., Orr-Ewing, AJ. & Ashfold, MNR., 2000, In : Chemical Physics Letters. 326, p. 22 - 32

Research output: Contribution to journalArticle (Academic Journal)

25 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)

Velocity map imaging study of BrCl photodissociation at 467 nm: determination of odd rank (K = 1 and 3) anisotropy parameters

Smolin, AG., Vasyutinskii, OS., Vieuxmaire, OPJ., Ashfold, MNR., Balint-Kurti, GG. & Orr-Ewing, AJ., Mar 2006, In : Journal of Chemical Physics. 124, p. 094305:1 - 094305:11 11 p.

Research output: Contribution to journalArticle (Academic Journal)

16 Citations (Scopus)