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

1998

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)

74 Citations (Scopus)

Wavelength and temperature dependence of the absolute O(1D) production yield from the 305-329 nm photodissociation of ozone

Takahashi, K., Taniguchi, N., Matsumi, Y., Kawasaki, M. & Ashfold, MNR., 1998, In : Journal of Chemical Physics. 108, p. 7161 - 7172

Research output: Contribution to journalArticle (Academic Journal)

39 Citations (Scopus)
1997

Diamond chemical vapour deposition

Ashfold, MNR. & May, PW., 1997, In : Chemistry and Industry. 13, p. 505 - 508

Research output: Contribution to journalArticle (Academic Journal)

4 Citations (Scopus)

Examination of the effects of nitrogen on the CVD diamond growth mechanism using in-situ molecular beam mass spectrometry

Tsang, RS., Rego, CA., May, PW., Ashfold, MNR. & Rosser, KN., 1997, In : Diamond Rel.Mater. 6, p. 247 - 254

Research output: Contribution to journalArticle (Academic Journal)

Ion pair states of the ClO radical observed by multiphoton ionisation spectroscopy

Cooper, MJ., Diez-Rojo, T., Rogers, LJ., Western, CM., Ashfold, MNR. & Hudgens, JW., 1997, In : Chemical Physics Letters. 272, p. 232 - 238

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

Near ultraviolet photodissociation dynamics of formic acid

Langford, SR., Batten, AD., Kono, M. & Ashfold, MNR., 1997, In : Journal of the Chemical Society, Faraday Transactions. 93, p. 3757 - 3764

Research output: Contribution to journalArticle (Academic Journal)

57 Citations (Scopus)

Near ultraviolet photolysis of HFCO: the H + FCO channel

Reed, CL., Kono, M., Langford, SR., Hancock, TWR., Dixon, RN. & Ashfold, MNR., 1997, In : Journal of Chemical Physics. 106, p. 6198 - 6201

Research output: Contribution to journalArticle (Academic Journal)

Predissociation dynamics of the A2Σ+ state of SH and SD

Wheeler, MD., Orr-Ewing, AJ. & Ashfold, MNR., 1997, In : Journal of Chemical Physics. 107, p. 7591 - 7600

Research output: Contribution to journalArticle (Academic Journal)

Predissociation lifetimes of the A2Σ+ v=1 state of the SH radical determined by cavity ring down spectroscopy

Wheeler, MD., Orr-Ewing, AJ., Ashfold, MNR. & Ishiwata, T., 1997, In : Chemical Physics Letters. 268, p. 421 - 428

Research output: Contribution to journalArticle (Academic Journal)

Production and characterisation of amorphic diamond films produced by pulsed laser ablation of graphite

Johnson, SE., Ashfold, MNR., Knapper, MP., Lade, RJ., Rosser, KN., Fox, NA. & Wang, WN., Apr 1997, In : Diamond and Related Materials. 6, 5-7, p. 569-573 5 p.

Research output: Contribution to journalArticle (Academic Journal)

18 Citations (Scopus)

Spectroscopy and predissociation dynamics of the Ã1A" State of HNO

Pearson, J., Orr-Ewing, AJ., Ashfold, MNR. & Dixon, RN., 1997, In : Journal of Chemical Physics. 106, p. 5850 - 5873

Research output: Contribution to journalArticle (Academic Journal)

43 Citations (Scopus)

The effect of varying deposition conditions on the Young's modulus of diamond coated wires

Nicholson, ED., Weeks, JR. & Ashfold, MNR., 1997, In : Diamond Rel.Mater. 6, p. 817 - 821

Research output: Contribution to journalArticle (Academic Journal)

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)

1996

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)

Gas-phase composition measurements during chlorine assisted chemical vapor deposition of diamond: A molecular beam mass spectrometric study

Rego, CA., Tsang, RS., May, PW., Ashfold, MNR. & Rosser, KN., 1 May 1996, In : Journal of Applied Physics. 79, 9, p. 7264-7273 10 p.

Research output: Contribution to journalArticle (Academic Journal)

52 Citations (Scopus)

High resolution photofragment translational spectroscopy of hydride molecules

Ashfold, MNR., Mordaunt, DH. & Wilson, SHS., 1996, In : Comments on Atomic and Molecular Physics. 32, p. 187 - 196

Research output: Contribution to journalArticle (Academic Journal)

Investigation of excited electronic states of the SiF2 radical by resonance enhanced multiphoton ionisation spectroscopy and ab initio methods

Johnson Iii, RD., Hudgens, JW. & Ashfold, MNR., 1996, In : Chemical Physics Letters. 261, p. 474 - 480

Research output: Contribution to journalArticle (Academic Journal)

Investigation of the addition of nitrogen-containing gases to a hot filament CVD reator

May, PW., Burridge, PR., Rego, CA., Tsang, RS., Ashfold, MNR., Rosser, KN., Tanner, RE., Cherns, D. & Vincent, R., 1996, In : Diamond Rel.Mater. 5, p. 354 - 358

Research output: Contribution to journalArticle (Academic Journal)

25 Citations (Scopus)

Near threshold photodissociation studied of C2H2, C2HD and C2D2 studied by H(D) atom photofragment translational spectroscopy

Wilson, SHS., Reed, CL., Mordaunt, DH., Ashfold, MNR. & Kawasaki, M., 1996, In : Bulletin of the Chemical Society of Japan. 69, p. 71 - 76

Research output: Contribution to journalArticle (Academic Journal)

Near ultraviolet photolysis of methylamine studied by H atom photofragment translational spectroscopy

Reed, CL., Kono, M. & Ashfold, MNR., 1996, In : Journal of the Chemical Society, Faraday Transactions. 92, p. 4897 - 4904

Research output: Contribution to journalArticle (Academic Journal)

On the near ultraviolet photodissociation of hydrogen sulphide

Wilson, SHS., Howe, JD. & Ashfold, MNR., 1996, In : Molecular Physics. 88, p. 841 - 848

Research output: Contribution to journalArticle (Academic Journal)

Photodissociation dynamics of à state ammonia molecules, II: The isotopic dependence for partially and fully deuterated isotopomers

Mordaunt, DH., Dixon, RN. & Ashfold, MNR., 1996, In : Journal of Chemical Physics. 104, p. 6472 - 6481

Research output: Contribution to journalArticle (Academic Journal)

Photodissociation dynamics of à state ammonia molecules. I. State dependent μ-v correlations in the NH2(ND2) products

Mordaunt, DH., Ashfold, MNR. & Dixon, RN., 1996, In : Journal of Chemical Physics. 104, p. 6460 - 6471

Research output: Contribution to journalArticle (Academic Journal)

Photodissociation dynamics of hydride molecules: H atom photofragment translational spectroscopy

Ashfold, MNR., Mordaunt, DH. & Wilson, SHS., 1996, Advances in Photochemistry, Vol 21. Neckers, DC., Volman, DH. & von Bunau, G. (eds.). Wiley, p. 217 - 295

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

Photolysis of CH3SH and H2S at 243.1 nm studied by photofragment ion imaging

Rogers, LJ., Ashfold, MNR., Matsumi, Y., Kawasaki, M. & Whitaker, BJ., 1996, In : Journal of the Chemical Society, Faraday Transactions. 92, p. 5181 - 5182

Research output: Contribution to journalArticle (Academic Journal)

Resonance enhanced multiphoton ionisation (REMPI) and REMPI-photoelectron spectroscopy of carbonyl sulphide and carbon disulphide

Morgan, RA., Baldwin, MA., Ascenzi, D., Orr-Ewing, AJ., Ashfold, MNR., Buma, WJ., Milan, JB., Scheper, CR. & De Lange, CA., 1996, In : International Journal of Mass Spectrometry and Ion Processes. 159, p. 1 - 11

Research output: Contribution to journalArticle (Academic Journal)

11 Citations (Scopus)

Resonance enhanced multiphoton ionisation of the SiF radical: a reinvestigation

Ashfold, MNR., Pearson, J., Hudgens, JW. & Johnson Iii, RD., 1996, In : Chemical Physics Letters. 263, p. 138 - 144

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Resonance enhanced multiphoton ionization spectroscopy of carbon disulphide

Morgan, RA., Baldwin, M., Orr-Ewing, AJ., Ashfold, MNR., Buma, WJ., Milan, JB. & De Lange, CA., 1996, In : Journal of Chemical Physics. 104, p. 6117 - 6129

Research output: Contribution to journalArticle (Academic Journal)

51 Citations (Scopus)

Resonance enhanced multiphoton ionization spectroscopy of OCS

Morgan, RA., Orr-Ewing, AJ., Ascenzi, D., Ashfold, MNR., Buma, WJ., Scheper, CR. & De Lange, CA., 1996, In : Journal of Chemical Physics. 105, p. 2141 - 2152

Research output: Contribution to journalArticle (Academic Journal)

Resonance enhanced multiphoton ionization spectroscopy of the PF radical

Howe, JD., Ashfold, MNR., Western, CM. & Hudgens, JW., 1996, In : Journal of Chemical Physics. 104, p. 2789 - 2800

Research output: Contribution to journalArticle (Academic Journal)

7 Citations (Scopus)

The photodissociation of iodine monochloride at 235 nm

Rogers, LJ., Ashfold, MNR., Matsumi, Y., Kawasaki, M. & Whitaker, BJ., 1996, In : Chemical Physics Letters. 258, p. 159 - 163

Research output: Contribution to journalArticle (Academic Journal)

29 Citations (Scopus)

Young's modulus of diamond-coated fibres and wires

Nicholson, ED., Baker, TW., Redman, SA., Kalaugher, E., Rosser, KN., Everitt, NM., Ashfold, MNR. & Partridge, PG., May 1996, In : Diamond and Related Materials. 5, 6-8, p. 658-663 6 p.

Research output: Contribution to journalArticle (Academic Journal)

1995

(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)

Absorption and Fluorescence

Ashfold, MNR., 1995, An Introduction to Laser Spectroscopy. Andrews, D. L. & Demidov, A. A. (eds.). Plenum Publishing Corporation, p. 35 - 62

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

CVD diamond coated fibres

May, PW., Rego, CA., Ashfold, MNR., Rosser, KN., Lu, GH., Walsh, TD., Holt, L., Everitt, NM. & Partridge, PG., 1995, In : Diamond Rel Mater. 4, p. 794 - 797

Research output: Contribution to journalArticle (Academic Journal)

31 Citations (Scopus)

Friction Measurements on Hot Filament CVD Diamond Films Deposited on Etched Tungsten Carbide Surfaces

Everitt, NM., Silva, RF., Viera, J., Rego, CA., Henderson, CR., May, PW. & Ashfold, MNR., 1995, In : Diamond Related Materials. 4, p. 730 - 734 4 p.

Research output: Contribution to journalArticle (Academic Journal)

12 Citations (Scopus)

In-situ mass spectrometric study of the gas phase species involved in CVD of diamond as a function of filament temperature

Rego, CA., May, PW., Henderson, CR., Ashfold, MNR., Rosser, KN. & Everitt, NM., 1995, In : Diamond Rel Mater. 4, p. 770 - 774

Research output: Contribution to journalArticle (Academic Journal)

Resonance enhanced multiphoton ionisation (REMPI) spectroscopy of methanethiol

Morgan, RA., Puyuelo, P., Howe, JD., Ashfold, MNR., Buma, WJ., Wales, NPL. & De Lange, CA., 1995, In : Journal of the Chemical Society, Faraday Transactions. 91, p. 2715 - 2721

Research output: Contribution to journalArticle (Academic Journal)

Resonance enhanced multiphoton ionisation spectroscopy of dimethyl sulphide

Morgan, RA., Orr-Ewing, AJ., Ashfold, MNR., Buma, WJ., Wales, NPL. & De Lange, CA., 1995, In : Journal of the Chemical Society, Faraday Transactions. 91, p. 3339 - 3346

Research output: Contribution to journalArticle (Academic Journal)

Resonance enhanced multiphoton ionisation spectroscopy of the SCl radical

Howe, JD., Morgan, RA., Ashfold, MNR., Western, CM., Buma, WJ., Milan, JB. & De Lange, CA., 1995, In : Journal of the Chemical Society, Faraday Transactions. 91, p. 773 - 780

Research output: Contribution to journalArticle (Academic Journal)

The Effective Chemical Vapour Deposition Rate of Diamond

Partridge, PG., Ashfold, MNR., May, PW. & Nicholson, ED., 1995, In : Journal of Materials Science. 30, p. 3973 - 3982

Research output: Contribution to journalArticle (Academic Journal)

12 Citations (Scopus)

The mechanical properties of CVD diamond films, and diamond coated fibres and wires

Nicholson, ED., Field, JE., Partridge, PG. & Ashfold, MNR., 1995, Mater. Res. Soc. Symp. Proc.. Drory, MD., Bogy, DB., Donley, MS. & Field, JE. (eds.). PITTSBURGH: Materials Research Society, p. 101-113 13 p. (MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS; vol. 383).

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

7 Citations (Scopus)

The potential for diamond fibre composites

Ashfold, MNR., May, PW., Nicholson, ED., Partridge, PG., Meaden, GM., Wisby, A. & Wood, MJ., 1995, Applications of Diamond Films and Related Materials, 3rd Int. Conf. (eds. A. Feldman, W.A. Yarbrough, M. Yoshikawa and M. Murakawa): NIST Special Publications. Vol. 885. p. 529 - 532

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

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)

1994

Analysis of Hot Filament CVD Diamond Films on Etched and Unetched Wc-Co Surfaces

Everitt, NM., Silva, RF., Viera, J., Rego, CA., Henderson, CR., May, PW. & Ashfold, MNR., 1994, 'Advances in New Diamond Science and Technology' (eds. S. Saito, N. Fujimori, O. Fukunaga, M. Kamo, K. Kobashi and M. Yoshikawa). MYU KK, Tokyo, p. 787 - 790 3 p.

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

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)

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)