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

Article (Academic Journal)

(1+1) Resonance enhanced multiphoton ionization spectroscopy of jet-cooled C2H2, C2HD and C2D2 in the range 46,400 to 48,600 cm-

Orr-Ewing, AJ., Morgan, RA., Wilson, SHS., Reed, CL. & Ashfold, MNR., 1995, In : Journal of the Chemical Society, Faraday Transactions. 91, p. 3327 - 3337

Research output: Contribution to journalArticle (Academic Journal)

193 nm laser ablation of CVD diamond and graphite in vacuum: plume analysis and film properties

Lade, RJ., Claeyssens, F., Rosser, KN. & Ashfold, MNR., 1999, In : Applied Physics A: Materials Science and Processing. 69, p. 935 - 939

Research output: Contribution to journalArticle (Academic Journal)

20 Citations (Scopus)

2+1 MPI SPECTROSCOPY OF B1E" STATE NH3 AND ND3 - ROTATIONAL ANALYSIS OF THE ORIGIN BANDS

Ashfold, M. N. R., DIXON, RN., STICKLAND, RJ. & WESTERN, CM., 17 Jul 1987, In : Chemical Physics Letters. 138, 2-3, p. 201-208 8 p.

Research output: Contribution to journalArticle (Academic Journal)

3+1 Resonance enhanced multiphoton ionisation spectroscopy of HBr

Ascenzi, D., Langford, SR., Ashfold, MNR. & Orr-Ewing, AJ., 2001, In : Physical Chemistry Chemical Physics. 3, p. 29 - 43

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

3-D patterning of silicon by laser-initiated, liquid-assisted colloidal (LILAC) lithography

Ulmeanu, M., Grubb, M. P., Jipa, F., Quignon, B. & Ashfold, M. N. R., 1 Jun 2015, In : Journal of Colloid and Interface Science. 447, p. 258-262 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
3 Citations (Scopus)
278 Downloads (Pure)

1ΦU RYDBERG STATE OF ACETYLENE REVEALED BY GAS-PHASE MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., DIXON, RN., PRINCE, JD. & TUTCHER, B., 10 Dec 1985, In : Molecular Physics. 56, 5, p. 1185-1199 15 p.

Research output: Contribution to journalArticle (Academic Journal)

Ab Initio Study of Potential Ultrafast Internal Conversion Routes in Oxybenzone, Caffeic Acid, and Ferulic Acid: Implications for Sunscreens

Karsili, T. N. V., Marchetti, B., Ashfold, M. N. R. & Domcke, W., 26 Dec 2014, In : Journal of Physical Chemistry A. 118, 51, p. 11999-12010 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
56 Citations (Scopus)
446 Downloads (Pure)

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)

Airborne hydrogen cyanide measurements using a chemical ionisation mass spectrometer for the plume identification of biomass burning forest fires

Le Breton, M., Bacak, A., Muller, J. B. A., O'Shea, S. J., Xiao, P., Ashfold, M. N. R., Cooke, M. C., Batt, R., Shallcross, D. E., Oram, D. E., Forster, G., Bauguitte, S. J. -B. & Percival, C. J., 16 Sep 2013, In : Atmospheric Chemistry and Physics. 13, 18, p. 9217-9232 16 p.

Research output: Contribution to journalArticle (Academic Journal)

File
35 Citations (Scopus)
390 Downloads (Pure)

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 Multipronged Comparative Study of the Ultraviolet Photochemistry of 2-, 3-, and 4-Chlorophenol in the Gas Phase

Harris, S. J., Karsili, T. N. V., Murdock, D., Oliver, T. A. A., Wenge, A. M., Zaouris, D. K., Ashfold, M. N. R., Harvey, J. N., Few, J. D., Gowrie, S., Hancock, G., Hadden, D. J., Roberts, G. M., Stavros, V. G., Spighi, G., Poisson, L. & Soep, B., 11 Jun 2015, In : Journal of Physical Chemistry A. 119, 23, p. 6045-56 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
11 Citations (Scopus)
360 Downloads (Pure)

An ab initio study of the photodissociation of HN3 molecules following excitation in the Ã1A"←X1A' absorption system

Cook, PA., Jimeno Cuellar, P., Ashfold, MNR., Balint-Kurti, GG. & Dixon, RN., 2002, In : Physical Chemistry Chemical Physics. 4, p. 1513 - 1521

Research output: Contribution to journalArticle (Academic Journal)

An experimental and ab initio reinvestigation of the Lyman- photodissociation of H2S and D2S

Cook, PA., Langford, SR., Dixon, RN. & Ashfold, MNR., 2001, In : Journal of Chemical Physics. 114, p. 1672 - 1684

Research output: Contribution to journalArticle (Academic Journal)

Angular resolved studies of the Lyman-α photodissociation of HCN and DCN: new dynamical insights

Cook, PA., Langford, SR., Ashfold, MNR. & Dixon, RN., 2000, In : Journal of Chemical Physics. 113, p. 994 - 1004

Research output: Contribution to journalArticle (Academic Journal)

43 Citations (Scopus)

AN INEXPENSIVE, FEEDBACK-CONTROLLED DYE-LASER INTENSITY STABILIZATION SYSTEM

Ashfold, M. N. R. & ROSSER, KN., 1983, In : Journal of Physics E (Scientific Instruments). 16, 8, p. 759-763 5 p.

Research output: Contribution to journalArticle (Academic Journal)

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 reinvestigation of the near-ultraviolet photodissocation dynamics of the methyl radical

Wilson, SHS., Howe, JD., Rosser, KN., Ashfold, MNR. & Dixon, RN., 1994, In : Chemical Physics Letters. 227, p. 456 - 460 4 p.

Research output: Contribution to journalArticle (Academic Journal)

A REINVESTIGATION OF THE RYDBERG STATES OF H2S AND D2S BY 2-PHOTON RESONANT MULTIPHOTON IONIZATION SPECTROSCOPY

Ashfold, M. N. R., HARTREE, WS., SALVATO, AV., TUTCHER, B. & WALKER, A., 7 Jun 1990, In : Journal of the Chemical Society, Faraday Transactions. 86, 11, p. 2027-2034 8 p.

Research output: Contribution to journalArticle (Academic Journal)

ArF (193 nm) Laser Ablation of Poly(methyl methacrylate)

Lade, RJ., Morley, IW., May, PW., Rosser, KN. & Ashfold, MNR., 1999, In : Diamond Rel. Mater. 8, p. 1654 - 1658

Research output: Contribution to journalArticle (Academic Journal)

18 Citations (Scopus)

Arrays of nanorods composed of ZnO nanodots exhibiting enhanced UV emission and stability

Yin, Y., Sun, Y., Yu, M., Liu, X., Yang, B., Liu, D., Liu, S., Cao, W. & Ashfold, M. N. R., 2014, In : Nanoscale. 6, 18, p. 10746-10751 6 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
11 Citations (Scopus)
307 Downloads (Pure)

ASYMMETRIC LINESHAPES ASSOCIATED WITH PREDISSOCIATING LEVELS OF NO(E2Σ+)

Ashfold, M. N. R., DIXON, RN., PRINCE, JD., TUTCHER, B. & WESTERN, CM., Aug 1986, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 82, p. 1257-1270 14 p.

Research output: Contribution to journalArticle (Academic Journal)

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)

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)

A ‘bottom up’, ab initio computational approach to understanding fundamental photophysical processes in nitrogen containing heterocycles, DNA bases and base pairs

Marchetti, B., Karsili, T. N. V., Ashfold, M. N. R. & Domcke, W., 14 Aug 2016, In : Physical Chemistry Chemical Physics. 18, 30, p. 20007-20027 22 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
47 Citations (Scopus)
449 Downloads (Pure)

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)

Boron Incorporation at a Diamond Surface: A QM/MM Study of Insertion and Migration Pathways during Chemical Vapor Deposition

Richley, J. C., Harvey, J. N. & Ashfold, M. N. R., 30 Aug 2012, In : Journal of Physical Chemistry C. 116, 34, p. 18300-18307 8 p.

Research output: Contribution to journalArticle (Academic Journal)

10 Citations (Scopus)

Broadband ultrafast photoprotection by oxybenzone across the UVB and UVC spectral regions

Baker, L. A., Horbury, M. D., Greenough, S. E., Ashfold, M. N. R. & Stavros, V. G., 6 Aug 2015, In : Photochemical and Photobiological Sciences. 14, 10, p. 1814-1820 7 p.

Research output: Contribution to journalArticle (Academic Journal)

27 Citations (Scopus)

Cavity Ring-Down Spectroscopy

Wheeler, MD., Newman, SM., Orr-Ewing, AJ. & Ashfold, MNR., 1998, In : Journal of the Chemical Society, Faraday Transactions. 94, p. 337 - 351

Research output: Contribution to journalArticle (Academic Journal)

CH2 Group Migration between H-Terminated 2 x 1 Reconstructed {100} and {111} Surfaces of Diamond

Richley, J. C., Harvey, J. N. & Ashfold, M. N. R., 12 Apr 2012, In : Journal of Physical Chemistry C. 116, 14, p. 7810-7816 7 p.

Research output: Contribution to journalArticle (Academic Journal)

11 Citations (Scopus)

Characterisation of the E' 1A1 Rydberg state of ammonia by resonance enhanced multiphoton ionisation spectroscopy

Ashfold, MNR., Western, CM., Hudgens, JW. & Johnson Iii, RD., 1996, In : Chemical Physics Letters. 260, p. 27 - 33

Research output: Contribution to journalArticle (Academic Journal)

Characterisation of triplet states in doubly-charged positive ions: assignment of the 3Πg-3Σu+ electronic transition of N22+

Szaflarski, DM., Mullin, AS., Yokoyama, K., Ashfold, MNR. & Lineberger, WC., 1991, In : Journal of Physical Chemistry. 95, p. 2122 - 2124 2 p.

Research output: Contribution to journalArticle (Academic Journal)

Chemical kinetics in carbon depositing d.c.-arc jet CVD reactors

Mankelevich, YA., Suetin, NV., Ashfold, MNR., Boxford, WE., Orr-Ewing, AJ., Smith, JA. & Wills, JB., 2003, In : Diamond Rel.Mater. 12, p. 383 - 390

Research output: Contribution to journalArticle (Academic Journal)

36 Citations (Scopus)

Chemical vapour deposited diamond fibres: manufacture and potential properties

Partridge, PG., May, PW. & Ashfold, MNR., 1994, In : Materials Science and Technology. 10, p. 177 - 189 12 p.

Research output: Contribution to journalArticle (Academic Journal)

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)

Combined Spatially Resolved Optical Emission Imaging and Modeling Studies of Microwave-Activated H2/Ar and H2/Kr Plasmas Operating at Powers and Pressures Relevant for Diamond Chemical Vapor Deposition

Mahoney, E. J. D., Mushtaq, S., Ashfold, M. N. R. & Mankelevich, Y. A., 4 Apr 2019, In : Journal of Physical Chemistry A. 123, 13, p. 2544-2558 15 p.

Research output: Contribution to journalArticle (Academic Journal)

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

Comparing molecular photofragmentation dynamics in the gas and liquid phases

Harris, S. J., Murdock, D., Zhang, Y., Oliver, T. A. A., Grubb, M. P., Orr-Ewing, A. J., Greetham, G. M., Clark, I. P., Towrie, M., Bradforth, S. E. & Ashfold, M. N. R., 14 May 2013, In : Physical Chemistry Chemical Physics. 15, 18, p. 6567-6582 17 p.

Research output: Contribution to journalArticle (Academic Journal)

File
51 Citations (Scopus)
285 Downloads (Pure)

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)

Comparison of the ablation plumes arising from ArF laser ablation of graphite, silicon, copper and aluminium in vacuum

Claeyssens, F., Henley, SJ. & Ashfold, MNR., 2003, In : Journal of Applied Physics. 94, p. 2203 - 2211

Research output: Contribution to journalArticle (Academic Journal)

69 Citations (Scopus)

Comparison of two models of Thin Diamond Film Microhardness data to predict the hardness of CVD Diamond

Cock, AM., Everitt, NM., May, PW., Rego, CA., Ashfold, MNR. & Rosser, KN., 1994, In : Diamond and Related Materials. 3, p. 783 - 786 3 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Competing 1πσ* mediated dynamics in mequinol: O-H versus O-CH3 photodissociation pathways

Hadden, D. J., Roberts, G. M., Karsili, T. N. V., Ashfold, M. N. R. & Stavros, V. G., 2012, In : Physical Chemistry Chemical Physics. 14, 38, p. 13415-13428 14 p.

Research output: Contribution to journalArticle (Academic Journal)

23 Citations (Scopus)

COMPETITION BETWEEN RESONANCE-ENHANCED MULTIPHOTON IONIZATION AND 3RD-HARMONIC GENERATION IN ACETYLENE VAPOR

Ashfold, M. N. R., HERYET, CD., PRINCE, JD. & TUTCHER, B., 14 Nov 1986, In : Chemical Physics Letters. 131, 4-5, p. 291-297 7 p.

Research output: Contribution to journalArticle (Academic Journal)

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)

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)

Continuum state spectroscopy: a high resolution ion imaging study of IBr photolysis in the wavelength range 440 - 685 nm

Wrede, E., Laubach, S., Schulenburg, S., Brown, A., Wouters, ER., Orr-Ewing, AJ. & Ashfold, MNR., Feb 2001, In : Journal of Chemical Physics. 114 (6), p. 2629 - 2646 28 p.

Research output: Contribution to journalArticle (Academic Journal)

80 Citations (Scopus)

Contrasting ring-opening propensities in UV-excited α-pyrone and coumarin

Murdock, D., Ingle, R. A., Sazanovich, I. V., Clark, I. P., Harabuchi, Y., Taketsugu, T., Maeda, S., Orr-Ewing, A. J. & Ashfold, M. N. R., 28 Jan 2016, In : Physical Chemistry Chemical Physics. 18, 4, p. 2629-2638 10 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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22 Citations (Scopus)
366 Downloads (Pure)

Contrasting the excited state reaction pathways of phenol and para-methylthiophenol in the gas and liquid phases

Zhang, Y., Oliver, T. A. A., Ashfold, M. N. R. & Bradforth, S. E., 23 Mar 2012, In : Faraday Discussions. 157, p. 141-63; discussion 243-84 23 p.

Research output: Contribution to journalArticle (Academic Journal)

63 Citations (Scopus)

Controlling electronic product branching at conical intersections in the UV photolysis of para-substituted thiophenols

Oliver, T. A. A., King, G. A., Tew, D. P., Dixon, R. N. & Ashfold, M. N. R., 14 Nov 2012, In : Journal of Physical Chemistry A. 116, 51, p. 12444-12459 16 p.

Research output: Contribution to journalArticle (Academic Journal)

33 Citations (Scopus)

Controlling the hydrothermal growth and the properties of ZnO nanorod arrays by pre-treating the seed layer

Yin, Y., Sun, Y., Yu, M., Liu, X., Yang, B., Liu, D., Liu, S., Cao, W. & Ashfold, M. N. R., Sep 2014, In : RSC Advances. 4, 84, p. 44452-44456 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
14 Citations (Scopus)
228 Downloads (Pure)

Controlling the size and alignment of ZnO microrods using ZnO thin film templates deposited by pulsed laser ablation

Henley, S. J., Ashfold, M. N. R., Nicholls, D. P., Wheatley, P. & Cherns, D., Sep 2004, In : Applied Physics A: Materials Science and Processing. 79, 4-6, p. 1169-1173 5 p.

Research output: Contribution to journalArticle (Academic Journal)

66 Citations (Scopus)