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

2008

Measurements of energy partitioning in H2 formation by photolysis of amorphous water ice

Yabushita, A., Hama, T., Iida, D., Kawanaka, N., Kawasaki, M., Watanabe, N., Ashfold, MNR. & Loock, H-P., Jul 2008, In : Astrophysical Journal Letters. 682, p. L69 - L72 4 p.

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)

Near ultraviolet photodissociation of thiophenol

Devine, AL., Nix, MG., Dixon, RN. & Ashfold, MNR., Oct 2008, In : Journal of Physical Chemistry A. 112, p. 9563 - 9574 12 p.

Research output: Contribution to journalArticle (Academic Journal)

66 Citations (Scopus)

Near UV photolysis of substituted phenols, II: 4-, 3-, and 2-methylphenol

King, GA., Devine, AL., Nix, MG., Kelly, DE. & Ashfold, MNR., Oct 2008, In : Physical Chemistry Chemical Physics. 10, p. 6417 - 6429 13 p.

Research output: Contribution to journalArticle (Academic Journal)

41 Citations (Scopus)

Observation of geometric phase effect induced photodissociation dynamics in phenol

Nix, MG., Devine, AL., Dixon, RN. & Ashfold, MNR., Oct 2008, In : Chemical Physics Letters. 463, p. 305 - 308 4 p.

Research output: Contribution to journalArticle (Academic Journal)

47 Citations (Scopus)

Photodissociation dynamics of the reaction H2CO → H + HCO

Hopkins, WS., Loock, H-P., Cronin, B., Nix, MG., Devine, AL., Dixon, RN., Ashfold, MNR., Yin, H-M., Rowling, SJ., Büll, A. & Kable, SH., Aug 2008, In : Journal of Physical Chemistry A. 112, p. 9283 - 9289 7 p.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

Plasma-chemical processes in microwave plasma-enhanced chemical vapor deposition reactors operation with C/H/Ar gas mixtures

Mankelevich, YA., Ashfold, MNR. & Ma, J., Dec 2008, In : Journal of Applied Physics. 104, p. 113304:1 - 113304:11 11 p.

Research output: Contribution to journalArticle (Academic Journal)

81 Citations (Scopus)

Probing the plasma chemistry in a microwave reactor used for diamond chemical vapour deposition by cavity ring down spectroscopy

Ma, J., Richley, J. C., Ashfold, M. N. R. & Mankelevich, Y. A., 15 Nov 2008, In : Journal of Applied Physics. 104, 10, p. 103305:1 - 103305:9 9 p., 103305.

Research output: Contribution to journalArticle (Academic Journal)

35 Citations (Scopus)

Quadrupole mass spectrometry and time-of-flight analysis of ions resulting from 532 nm pulsed laser ablation of Ni, Al and ZnO targets

Sage, RS., Cappel, UB., Ashfold, MNR. & Walker, NR., May 2008, In : Journal of Applied Physics. 103, p. 093301:1 - 093301:8 8 p.

Research output: Contribution to journalArticle (Academic Journal)

8 Citations (Scopus)

Release of hydrogen molecules from the photodissociation of amorphous solid water and polycrystalline ice at 157 nm and 193 nm

Yabushita, A., Hama, T., Iida, D., Kawanaka, N., Kawasaki, M., Watanabe, N., Ashfold, MNR. & Loock, H-P., Jul 2008, In : Journal of Chemical Physics. 129, p. 044501:1 - 044501:8 9 p.

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)

Studies of carbon incorporation on the diamond {100} surface during chemical vapour deposition using density functional theory

Cheesman, A., Harvey, JN. & Ashfold, MNR., Oct 2008, In : Journal of Physical Chemistry A. 112, p. 11436 - 11448 13 p.

Research output: Contribution to journalArticle (Academic Journal)

36 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)
2007

Effect of incident fluence on the growth of ZnO nanorods by pulsed excimer laser deposition

Sun, Y., Doherty, RP., Warren, JL. & Ashfold, MNR., Oct 2007, In : Chemical Physics Letters. 447 (4-6), p. 257 - 262 6 p.

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)

Growth of arrays of Al-doped ZnO nanocones by pulsed laser deposition

Sun, Y., Addison, KE. & Ashfold, MNR., Nov 2007, In : Nanotechnology. 18 (495601), p. 1 - 4 4 p.

Research output: Contribution to journalArticle (Academic Journal)

20 Citations (Scopus)

Growth of nanostructured ZnO thin films on sapphire

Doherty, R. P., Sun, Y., Sun, Y., Warren, J. L., Fox, N. A., Cherns, D. & Ashfold, M. N. R., Oct 2007, In : Applied Physics A: Materials Science and Processing. 89, 1, p. 49-55 7 p.

Research output: Contribution to journalArticle (Academic Journal)

28 Citations (Scopus)

Imaging studies of the photodissociation of H2S+ cations, I: Illustration of the role of nuclear spin

Webb, AD., Dixon, RN. & Ashfold, MNR., Dec 2007, In : Journal of Chemical Physics. 127 (22, 224307), p. 1 - 12 12 p.

Research output: Contribution to journalArticle (Academic Journal)

12 Citations (Scopus)

Imaging studies of the photodissociation of H2S+ cations, II

Webb, AD., Kawanaka, N., Dixon, RN. & Ashfold, MNR., Dec 2007, In : Journal of Chemical Physics. 127 (22, 224308), p. 1 - 10 10 p.

Research output: Contribution to journalArticle (Academic Journal)

104 Citations (Scopus)

Multiphoton dissociation dynamics of BrCl and the BrCl+ cation

Vieuxmaire, OPJ., Nahler, NH., Dixon, RN. & Ashfold, MNR., Jul 2007, In : Physical Chemistry Chemical Physics. 9, p. 5531 - 5541 11 p.

Research output: Contribution to journalArticle (Academic Journal)

7 Citations (Scopus)

Near-UV photolysis of substituted phenols, I: 4-fluoro-, 4-chloro- and 4-bromophenol

Devine, AL., Nix, MG., Cronin, B. & Ashfold, MNR., Apr 2007, In : Physical Chemistry Chemical Physics. 9, p. 3749 - 3762 14 p.

Research output: Contribution to journalArticle (Academic Journal)

41 Citations (Scopus)

Photofragment slice imaging studies of pyrrole and the Xe..pyrrole cluster

Rubio-Lago, L., Zaouris, Y., Sakellariou, D., Kitsopoulos, TN., Wang, F., Yang, X., Cronin, B., Devine, AL., King, GA., Nix, MG., Ashfold, MNR. & Xantheas, SS., Aug 2007, In : Journal of Chemical Physics. 127 (6, 064306), p. 1 - 12 12 p.

Research output: Contribution to journalArticle (Academic Journal)

37 Citations (Scopus)

Photoluminescence from diameter-selected ZnO nanorod arrays

Sun, Y. & Ashfold, M. N. R., 20 Jun 2007, In : Nanotechnology. 18, 24, p. 245701:1 - 245701:5 5 p., 245701.

Research output: Contribution to journalArticle (Academic Journal)

32 Citations (Scopus)

Polarity determination of zinc oxide nanorods by defocused convergent-beam electron diffraction

Nicholls, DP., Vincent, R., Cherns, D., Sun, Y. & Ashfold, MNR., Jun 2007, In : Philosophical Magazine Letters. 87 (6), p. 417 - 421 5 p.

Research output: Contribution to journalArticle (Academic Journal)

15 Citations (Scopus)

Radiation trapping in LiF ablation plumes

Henley, S. J., Silva, S. R. P., Fuge, G. M. & Ashfold, M. N. R., 2007, COLA'05: 8th International Conference on Laser Ablation. Hess, WP., Herman, PR., Bauerle, D. & Koinuma, H. (eds.). BRISTOL: Deutsche Physikalische Gesellschaft & IOP Publishing Ltd, p. 745-748 4 p.

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

Reduction of threading dislocations in epitaxial ZnO films grown on sapphire (0001)

Sun, Y., Cherns, D., Heard, P. J., Doherty, R. P., Sun, Y. & Ashfold, M. N. R., 2007, Microscopy of Semiconducting Materials XV, Cambridge, UK. Cullis, AG. & Midgley, PA. (eds.). BERLIN: Springer-Verlag Berlin, p. 127-130 4 p.

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

State-selective photodissociation dynamics of formaldehyde: near threshold studies of the H + HCO product channel

Hopkins, WS., Loock, HP., Cronin, B., Nix, MG., Devine, AL., Dixon, RN. & Ashfold, MNR., Aug 2007, In : Journal of Chemical Physics. 127 (6, 064301), p. 1 - 11 11 p.

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

The kinetics of the hydrothermal growth of ZnO nanostructures

Ashfold, MNR., Doherty, RP., Ndifor-Angwafor, NG., Riley, DJ. & Sun, Y., Oct 2007, In : Thin Solid Films. 515 (24), p. 8679 - 8683 5 p.

Research output: Contribution to journalArticle (Academic Journal)

153 Citations (Scopus)

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)
2006

Application of a quantum cascade laser for time resolved, in situ probing of CH4/H2 and C2H2/H2 gas mixtures during microwave plasma enhanced chemical vapour deposition of diamond

Cheesman, A., Smith, JA., Ashfold, MNR., Langford, N., Wright, S. & Duxbury, G., Apr 2006, In : Journal of Physical Chemistry A. 110, p. 2821 - 2828 7 p.

Research output: Contribution to journalArticle (Academic Journal)

38 Citations (Scopus)

A velocity map imaging study of the one and two photon dissociation of state-selected DCl+ cations

Webb, AD., Nahler, NH., Dixon, RN. & Ashfold, MNR., Nov 2006, In : Journal of Chemical Physics. 125, p. 204312:1 - 204312:11 11 p.

Research output: Contribution to journalArticle (Academic Journal)

10 Citations (Scopus)

Experimental and modeling studies of B atom number density distributions in hot filament activated B2H6/H2 and B2H6/CH4/H2 gas mixtures

Comerford, DW., Cheesman, A., Carpenter, TPF., Davies, DME., Fox, NA., Sage, RS., Smith, JA., Ashfold, MNR. & Mankelevich, YA., Mar 2006, In : Journal of Physical Chemistry A. 110 (9), p. 2868 - 2875 8 p.

Research output: Contribution to journalArticle (Academic Journal)

34 Citations (Scopus)

Growth mechanisms for ZnO nanorords formed by pulsed laser deposition

Sun, Y., Fuge, GM. & Ashfold, MNR., Jan 2006, In : Superlattices and Microstructures. 39, p. 33 - 40 7 p.

Research output: Contribution to journalArticle (Academic Journal)

58 Citations (Scopus)

High resolution photofragment translational spectroscopy of the near UV photolysis of indole: Dissociation via the 1πσ* state

Nix, MGD., Devine, AL., Cronin, B. & Ashfold, MNR., May 2006, In : Physical Chemistry Chemical Physics. 8, p. 2610 - 2618 8 p.

Research output: Contribution to journalArticle (Academic Journal)

73 Citations (Scopus)

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of 2,5-dimethylpyrrole

Cronin, B., Nix, MGD., Devine, AL., Dixon, RN. & Ashfold, MNR., Feb 2006, In : Physical Chemistry Chemical Physics. 8, p. 599 - 612 13 p.

Research output: Contribution to journalArticle (Academic Journal)

27 Citations (Scopus)

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of imidazole

Devine, A. L., Cronin, B., Nix, M. G. D. & Ashfold, M. N. R., 14 Nov 2006, In : Journal of Chemical Physics. 125, 18, p. 184302:1 - 184302:9 9 p., 184302.

Research output: Contribution to journalArticle (Academic Journal)

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of phenol

Nix, MGD., Devine, AL., Cronin, B., Dixon, RN. & Ashfold, MNR., Oct 2006, In : Journal of Chemical Physics. 125, p. 133318:1 - 133318:14 14 p.

Research output: Contribution to journalArticle (Academic Journal)

192 Citations (Scopus)

Imaging the dynamics of gas phase reactions

Ashfold, MNR., Nahler, NH., Orr-Ewing, AJ., Vieuxmaire, OPJ., Toomes, RL., Kitsopoulos, TN., Anton-Garcia, I., Chestakov, D., Wu, S-M. & Parker, DH., Jan 2006, In : Physical Chemistry Chemical Physics. 8, p. 26 - 53 27 p.

Research output: Contribution to journalArticle (Academic Journal)

218 Citations (Scopus)

Mechanism of ZnO nanotube growth by hydrothermal methods on ZnO film-coated Si substrates

Sun, Y., Riley, DJ. & Ashfold, MNR., Jul 2006, In : Journal of Physical Chemistry B. 110, p. 15186 - 15192 6 p.

Research output: Contribution to journalArticle (Academic Journal)

252 Citations (Scopus)

Near ultraviolet photolysis of deuterated pyrrole

Cronin, B., Devine, AL., Nix, MGD. & Ashfold, MNR., Jul 2006, In : Physical Chemistry Chemical Physics. 8, p. 3440 - 3450 10 p.

Research output: Contribution to journalArticle (Academic Journal)

48 Citations (Scopus)

Photodissociation of polycrystalline and amorphous water ice films at 157 and 193 nm

Yabushita, A., Kanda, D., Kawanaka, N., Kawasaki, M. & Ashfold, MNR., Oct 2006, In : Journal of Chemical Physics. 125, p. 133406:1 - 133406:7 7 p.

Research output: Contribution to journalArticle (Academic Journal)

39 Citations (Scopus)

Spatial profiling of H(n=2) atom number densities in a DC arc jet reactor

Rennick, CJ., Ma, J., Ashfold, MNR., Orr-Ewing, AJ. & Mankelevich, YA., May 2006, In : Plasma Sources Science and Technology. 15, p. 432 - 440 8 p.

Research output: Contribution to journalArticle (Academic Journal)

6 Citations (Scopus)

Studies of the plume emission during femtosecond and nanosecond ablation of graphite in nitrogen

Fuge, GM., Ashfold, MNR. & Henley, SJ., Jan 2006, In : Journal of Applied Physics. 99, p. 014309:1 - 014309:12 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Synthesis and photoluminescence of ultra-thin ZnO nanowire/nanobute arrays formed by hydrothermal growth

Sun, Y., Ndifor-Angwafor, NG., Riley, DJ. & Ashfold, MNR., Oct 2006, In : Chemical Physics Letters. 431, p. 352 - 357 5 p.

Research output: Contribution to journalArticle (Academic Journal)

221 Citations (Scopus)

The Role of πσ* Excited States in the Photodissociation of Heteroaromatic Molecules

Ashfold, MNR., Cronin, B., Devine, AL., Dixon, RN. & Nix, MGD., Jun 2006, In : Science. 312 (5780), p. 1637 - 1640 4 p.

Research output: Contribution to journalArticle (Academic Journal)

277 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)
2005

Comparing the short and ultrashort pulsed laser ablation of LiF

Henley, S. J., Fuge, G. M. & Ashfold, M. N. R., 15 Jan 2005, In : Journal of Applied Physics. 97, 2, p. - 9 p., 023304.

Research output: Contribution to journalArticle (Academic Journal)

19 Citations (Scopus)

Computational studies of elementary steps relating to boron doping during diamond chemical vapour deposition

Cheesman, A., Harvey, JN. & Ashfold, MNR., 2005, In : Physical Chemistry Chemical Physics. 7, p. 1121 - 1126

Research output: Contribution to journalArticle (Academic Journal)

20 Citations (Scopus)

Dynamics of confined plumes during short and ultrashort pulsed laser ablation of graphite

Henley, S. J., Carey, J. D., Silva, S. R. P., Fuge, G. M., Ashfold, M. N. R. & Anglos, D., Nov 2005, In : Physical Review B: Condensed Matter and Materials Physics. 72, 20, p. - 13 p., 205413.

Research output: Contribution to journalArticle (Academic Journal)

50 Citations (Scopus)

Growth of ZnO thin films - experiment and theory

Claeyssens, F., Freeman, CL., Allan, NL., Sun, Y., Ashfold, MNR. & Harding, JH., Jan 2005, In : Journal of Materials Chemistry. 15 (1), p. 139 - 148 10 p.

Research output: Contribution to journalArticle (Academic Journal)

279 Citations (Scopus)

High-resolution absorption cross-sections of formaldehyde at wavelengths from 313-320 nm

Pope, FD., Smith, CA., Ashfold, MNR. & Orr-Ewing, AJ., 2005, In : Physical Chemistry Chemical Physics. 7, p. 79 - 84

Research output: Contribution to journalArticle (Academic Journal)

Measurement and modeling of a diamond deposition reactor: hydrogen atom and electron number densities in an Ar/H2 arc jet discharge

Rennick, CJ., Engeln, R., Smith, JA., Orr-Ewing, AJ., Ashfold, MNR. & Mankelevich, YA., Jun 2005, In : Journal of Applied Physics. 97 (11), p. 113306-1 - 113306-15 15 p.

Research output: Contribution to journalArticle (Academic Journal)

19 Citations (Scopus)