Categories

Photofragment Translational Spectroscopy and Ion Imaging

Near Ultraviolet Photolysis of HFCO: the H + FCO Channel
C.L. Reed, M. Kono, S.R. Langford, T.W.R. Hancock, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 106, 6198-6201 (1997). PDF file

Near Ultraviolet Photolysis of Ammonia and Methylamine studied by H Rydberg Atom Photofragment Translational Spectroscopy
M.N.R. Ashfold, R.N. Dixon, M. Kono, D.H. Mordaunt and C.L. Reed, Philos. Trans. Roy. Soc. A. 355, 1659-1676 (1997). PDF file

Ultraviolet Photodissociation Dynamics of Formyl Fluoride Part 2 Energy Disposal in the H + FCO Product Channel
C.L. Reed, M. Kono, S.R. Langford, R.N. Dixon and M.N.R. Ashfold, J. Chem. Soc. Faraday Trans. 93, 2721-2729 (1997). PDF file

Near-UV Photodissociation Dynamics of Formic Acid
S.R. Langford, A.D. Batten, M. Kono and M.N.R. Ashfold, J. Chem. Soc. Faraday Trans. 93, 3757-3764 (1997). PDF file

Near Threshold Photodissociation of Acetylene
D.H. Mordaunt, M.N.R. Ashfold, R.N. Dixon, P. Loeffler, L. Schnieder and K.H. Welge, J. Chem. Phys. 108, 519-526 (1998). PDF file

On the UV Photodissociation Dynamics of Hydrogen Iodide
S.R. Langford, P.M. Regan, A.J. Orr-Ewing and M.N.R. Ashfold, Chem. Phys. 231, 245-260 (1998). PDF file

The near ultraviolet photodissociation dynamics of HBr and HI revealed by H (Rydberg) Atom photofragment translational spectroscopy
M.N.R. Ashfold, Phillip A. Cook, S.R. Langford, A.J. Orr-Ewing and P.M. Regan, Proc. SPIE 3271, 84-94, (1998).

Ion imaging studies of the Cl(2P) and Br(2P) atomic products resulting from BrCl photodissociation in the wavelength range 235 - 540 nm
M.J. Cooper, P.J. Jackson, L.J. Rogers, A.J. Orr-Ewing, M.N.R. Ashfold, and B.J. Whitaker, J. Chem. Phys. 109, 4367-77 (1998). PDF file

Spectroscopy and Photochemistry of Rydberg States of Small Polyatomic Hydride Molecules, in Low and High Rydberg States
M. N. R. Ashfold and S. R. Langford, (editor C. Sandorfy, Kluwer Academic Publishers, 1999), Chapter 2 pages 23-56.

Ion imaging studies of the Br(2P) atomic products from Br2 photolysis in the wavelength range 260-580 nm
M.J. Cooper, E. Wrede, A.J. Orr-Ewing, and M.N.R. Ashfold, J. Chem. Soc. Faraday Trans. 94, 2901-2907 (1998). PDF file

The ultraviolet photodissociation dynamics of hydrogen bromide
P.M. Regan, S.R. Langford, A.J. Orr-Ewing and M.N.R. Ashfold, J. Chem. Phys. 110, 281-288 (1999). PDF file

The Ultraviolet Photodissociation of HN3: The H + N3 Product Channel
P. A. Cook, S. R. Langford and M. N. R. Ashfold, Phys. Chem. Chem. Phys. 1, 45-55 (1999). PDF file

Ultraviolet Photolysis of Formyl Fluoride: the F + HCO Product Channel
C. Maul, C. Dietrich, T. Haas, K-H. Gericke, H.Tachikawa, S.R. Langford, M. Kono, C.L. Reed, R.N. Dixon and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 1, 767-772 (1999). PDF file

Spin-orbit branching in the Cl (2P) atoms produced by ultraviolet photodissociation of HCl
P. M. Regan, S. R. Langford, D. Ascenzi, P. A. Cook, A. J. Orr-Ewing and M. N. R. Ashfold, Phys. Chem. Chem. Phys., 1, 3247 - 3252 (1999).PDF file

The ultraviolet photodissociation of DCl: H/D isotope effects on the Cl(2P) atom spin-orbit branching
D. Ascenzi, P.M. Regan and A.J. Orr-Ewing, Chem. Phys. Lett. 310, 477 - 84 (1999). PDF file

The UV photodissociation of HI revisited: REMPI measurements of I(2P) atom spin-orbit branching fractions
P.M. Regan, D. Ascenzi, C. Clementi, M.N.R. Ashfold and A.J. Orr-Ewing, Chem. Phys. Lett 315, 187-93 (1999).PDF file

Imaging Studies of the Multiphoton Excitation, Dissociation and Ionisation of Br2
P. Samartzis, T.N. Kitsopoulos and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 2, 453-459 (2000). PDF file

Ultraviolet photodissociation of HCl in selected rovibrational states: experiment and theory
P.M. Regan, D. Ascenzi, A. Brown, G.G. Balint-Kurti, and A.J. Orr-Ewing, J. Chem. Phys. 112, 10259-68 (2000).PDF file

Photodissociation and Photoionization of highly excited HI molecules
P.M. Regan, D. Ascenzi, E. Wrede, P.A. Cook, M.N.R. Ashfold and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 2, 5364-5374 (2000). PDF file

Velocity map imaging of the near-threshold photodissociation of IBr: accurate determination of De(I-Br)
E. Wrede, S. Laubach, S. Sculenburg, A.J. Orr-Ewing and M.N.R. Ashfold, Chem. Phys. Lett. 326 22-32 (2000). PDF file

Angular resolved studies of the Lyman-α photodissociation of HCN and DCN: new dynamical insights
P.A. Cook, S.R. Langford, M.N.R. Ashfold, and R.N. Dixon, J. Chem. Phys. 113, 994-1004 (2000). PDF file

Continuum state spectroscopy: a high resolution ion imaging study of IBr photolysis in the wavelength range 440-685 nm
E. Wrede, S. Laubach, S. Schulenburg, A. Brown, E.R. Wouters, A.J. Orr-Ewing and M.N.R. Ashfold, J. Chem. Phys. 114, 2629-2646 (2001). PDF file

An experimental and ab initio reinvestigation of the Lyman-α photodissociation of H2S and D2S
P.A. Cook, S.R. Langford, R.N. Dixon, and M.N.R. Ashfold, J. Chem. Phys. 114 1672-1684 (2001) PDF file

Vacuum ultraviolet photochemistry of methane, silane and germane
P.A. Cook, M.N.R. Ashfold, Y.-J. Jee, K.-H. Jung, S. Harich and X. Yang, Phys. Chem. Chem. Phys 3 1848-1860 (2001). PDF file

Near ultraviolet photodissociation of allene and propyne
R.H. Qadiri, E.J. Feltham, E.E.H. Cottrill, N. Taniguchi and M.N.R. Ashfold, J. Chem. Phys. 116 906-912 (2002). PDF file

Photochemistry by VUV photons, in Encyclopedia of Physical Science and Technology, 3rd edn, (R.A. Myers, ed)
M.N.R. Ashfold and P.A. Cook, Academic Press, 12 15-28 (2002).

Quasi-classical and quantum mechanical modeling of the breakdown of the axial recoil approximation observed in the near threshold photolysis of IBr and Br2
E. Wrede, E.R. Wouters, M. Beckert, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 116 6064-6071 (2002). PDF file

An ab initio study of the photodissociation of HN3 molecules following excitation in the A 1A'' - X 1A' absorption system
P.A. Cook, P. Jimeno, M.N.R. Ashfold, G.G. Balint-Kurti and R.N. Dixon, Phys. Chem. Chem. Phys. 4 1513-1521 (2002). PDF file

Ion imaging studies of Cl (2P3/2) fragments arising in the visible photolysis of BrCl: Measurement of orientation, alignment and alignment free anisotropy parameters
E.R. Wouters, M. Beckert, L.J. Russell, K.N. Rosser, A.J. Orr-Ewing, M.N.R. Ashfold and O.S. Vasyutinskii, J. Chem. Phys. 117 2087-2096 (2002). PDF file

High resolution ion imaging studies of the Br2+ cation
M. Beckert, S.J. Greaves and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 2 308-314 (2003). PDF file

Ketene photodissociation in the wavelength range 193-215 nm: The H atom production channel
E.J. Feltham, R.H. Qadiri, E.E.H. Cottrill, P.A. Cook, J.P. Cole, G.G. Balint-Kurti and M.N.R. Ashfold, J. Chem. Phys. 119 6017-6031 (2003). PDF file

High resolution ion imaging study of BrCl photolysis in the wavelength range 330-570 nm
M. Beckert, E.R. Wouters, M.N.R. Ashfold and E. Wrede, J. Chem. Phys. 119 9576-9589 (2003). PDF file

Propyne and allene photolysis at 193.3 nm and at 121.6 nm
R.H. Qadiri, E.J. Feltham, N.H. Nahler, R.Perez Garcia and M.N.R. Ashfold, J. Chem. Phys. 119 12842-12851 (2003). PDF file

Predissociation of state selected Br2+ cations
O.P.J. Vieuxmaire, M.G.D. Nix, J.A.J. Fitzpatrick, M. Beckert, R.N. Dixon and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 6 543-54 (2004). PDF file

High resolution ion imaging studies of the photodissociation of the BrCl+ cation
N.H. Nahler, O.P.J. Vieuxmaire, J.R. Jones, M.N.R. Ashfold, A.T.J.B. Eppink, A.M. Coriou and D.H. Parker, J. Phys. Chem. 108 8077-83 (2004). PDF file

High photofragment translational spectroscopy studies of the near ultraviolet photolysis of pyrrole
B. Cronin, M.G.D. Nix, R.H. Qadiri and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 6 5031-41 (2004). PDF file

Photodissociation and photoionisation of pyrrole following excitation at 243 and 364.7 nm
A.J. van den Brom, M. Kapelios, T.N. Kitsopoulos, N.H. Nahler, B. Cronin and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 7 892-9 (2005). PDF file

Photodissociation of state selected BrCl+ cations: Branching ratios and angular anisotropies of the Br+ product forming channels
O.P.J. Vieuxmaire, N.H. Nahler, J.R. Jones, R.N. Dixon and M.N.R. Ashfold, Mol. Phys. 103 2437-52 (2005). PDF file

Imaging the dynamics of gas phase reactions
M.N.R. Ashfold, N.H. Nahler, A.J. Orr-Ewing, O.P.J. Vieuxmaire, R.L. Toomes, T.N. Kitsopoulos, I. Anton-Garcia, D. Chestakov, S.-M. Wu and D.H. Parker, Phys. Chem. Chem. Phys. 8 26-53 (2006). PDF file

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of 2,5-dimethylpyrrole.
B. Cronin, M.G.D. Nix, A.L. Devine, R.N. Dixon and M.N.R. Ashfold Phys. Chem. Chem. Phys. 8 599-612 (2006). PDF file

Velocity map imaging study of BrCl photodissociation at 467 nm: determination of odd rank (K=1 and 3) anisotropy parameters for the Cl photofragments, A.G. Smolin, O.S. Vasyutinskii, O.P.J. Vieuxmaire, M.N.R. Ashfold. G.G. Balint-Kurti and A.J. Orr-Ewing, J. Chem. Phys. 124, 094305 (2006). PDF file

High resolution photofragment translational spectroscopy of the near UV photolysis of indole: Dissociation via the 1πσ* state,
M.G.D. Nix, A.L. Devine, B. Cronin and M.N.R. Ashfold, Phys.Chem. Chem. Phys. 8 2610-8 (2006). PDF file

The role of 1πσ* excited states in the photodissociation of heteroaromatic molecules,
M.N.R. Ashfold, B. Cronin, A.L. Devine, R.N. Dixon and M.G.D. Nix, Science 312 1637-40 (2006). PDF file

Near ultraviolet photolysis of deuterated pyrrole,
B. Cronin, A.L. Devine, M.G.D. Nix and M.N.R. Ashfold, Phys.Chem. Chem. Phys. 8 3440-5 (2006). PDF file

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of phenol,
M.G.D. Nix, A.L. Devine, B. Cronin, R.N. Dixon and M.N.R. Ashfold, J.Chem. Phys. 125 133318 (2006). PDF file

High resolution photofragment translational spectroscopy studies of the near ultraviolet photolysis of imidazole,
A.L. Devine, B. Cronin, M.G.D. Nix and M.N.R. Ashfold, J.Chem. Phys. 125 184302 (2006). PDF file

A velocity map imaging study of the one and two photon dissociations of state-selected DCl+ cations,
A.D. Webb, N.H. Nahler, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 125 204312 (2006). PDF file

Ultraviolet photolysis of adenine: Dissociation via the 1πσ* state,
M.G.D. Nix, A.L. Devine, B. Cronin and M.N.R. Ashfold, J.Chem. Phys. 126 124312 (2007). PDF file

Determination of all scattering phases and amplitudes in the photodissociation of a diatomic molecule
A.G. Smolin, O.S. Vasyutinskii and A.J. Orr-Ewing, Mol. Phys. 105, 885-892 (2007). PDF file

Near-UV photolysis of substituted phenols, I: 4-fluoro, 4-chloro- and 4-bromophenol,
A.L. Devine M.G.D. Nix, B. Cronin and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 9 3749-62 (2007). PDF file

State-selective photodissociation dynamics of formaldeyde: Near threshold studies of the H+HCO product channel,
W.S. Hopkins, H.-P. Loock, B. Cronin, M.G.D. Nix, A.L. Devine, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 127 064301 (2007). PDF file

Multiphoton dissociation dynamics of BrCl and the BrCl + cation,
O.P.J. Vieuxmaire, N.H. Nahler, R.N. Dixon and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 9 5531 (2007). PDF file

Imaging studies of the photodissociation of H2S+ cations, I: Illustrations of the role of nuclear spin,
A.D. Webb, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 127 224307 (2007). PDF file

Imaging studies of the photodissociation of H2S+ cations, II,
A.D. Webb, N. Kawanaka, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 127 224308 (2007). PDF file

UV photodissociation of N-methylpyrrole: The role of 1πσ* states in non-hydride heteroaromatic systems,
A.G. Sage, M.G.D. Nix and M.N.R. Ashfold, Chem. Phys. 347 300-8 (2008). PDF file

Exploring nuclear motion through conical intersections in the UV photodissociation of phenols and thiophenol,
M.N.R. Ashfold, A.L. Devine, R.N. Dixon, G.A. King, M.G.D. Nix and T.A.A. Oliver, Proc. Nat. Acad. Sci. 105 12701-6 (2008). PDF file

Quantitative (v, N, Ka) product state distributions near the triplet threshold for the reaction H2CO --> H + HCO measured by Rydberg tagging and laser-induced fluorescence,
W.S. Hopkins, H.-P. Loock, B. Cronin, M.G.D. Nix, A.L. Devine, R.N. Dixon, M.N.R. Ashfold, H.-M. Yin, S.J. Rowling, A. Bull and S.H. Kable, J. Phys. Chem. A. 112 9283-9 (2008). PDF file

Near-ultraviolet photodissociation of thiophenol,
A.L. Devine, M.G.D. Nix, R.N. Dixon and M.N.R. Ashfold, J. Phys. Chem. A 112 9563-74 (2008). PDF file

Observation of geometric phase effect induced photodissociation dynamics in phenol,
M.G.D. Nix, A.L. Devine, R.N. Dixon and M.N.R. Ashfold, Chem. Phys. Lett. 463 305-8 (2008). PDF file

Near-UV photolysis of substituted phenols, II: 4-, 3- and 2-methylphenol,
G.A. King, A.L. Devine, M.G.D. Nix, D.E. Kelly and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 10 6417-29 (2008). PDF file

Photodissociation dynamics of the A2Σ+ state of SH and SD radicals
R.A. Rose, A.J. Orr-Ewing, C.H. Yang, K. Vidma, G.C. Groenenboom and D.H. Parker, J. Chem. Phys. 130, 034307 (2009). PDF file

Imaging studies of the photodissociation of NH3+ and ND3+ cations,
A.D. Webb, N.H. Nahler and M.N.R. Ashfold, J. Phys. Chem. A 113 3773-8 (2009). PDF file

High resolution photofragment translational spectroscopy studies of the ultraviolet photolysis of phenol-d5,
G.A. King, T.A.A. Oliver, M.G.D. Nix and M.N.R. Ashfold, J. Phys. Chem. A 113 7984-93 (2009). PDF file

Photodissociation imaging of diatomic sulfur (S2)
P.W.J.M. Frederix, C.-H. Yang, G.C. Groenenboom, D.H. Parker, K. Alnama, C.M. Western and A.J. Orr-Ewing, J. Phys. Chem. A 113, 14995 - 15005 (2009). PDF file

Ultraviolet photodissociation dynamics of 2-methyl,3-furanthiol: Tuning π-conjugation in sulfur substituted heterocycles,
T.A.A. Oliver, G.A. King, M.G.D. Nix and M.N.R. Ashfold, J. Phys. Chem. A 114 1338-46 (2010). PDF file

πσ* excited states in molecular photochemistry,
M.N.R. Ashfold, G.A. King, D. Murdock, M.G.D. Nix, T.A.A. Oliver and A.G. Sage, Phys. Chem. Chem. Phys. 12 1218-38 (2010). PDF file

Exploring the mechanisms of H atom loss in simple azoles: Ultraviolet photolysis of pyrazole and triazole,
G.A. King, T.A.A. Oliver, M.G.D. Nix and M.N.R. Ashfold, J. Chem. Phys. 132 064305 (2010). PDF file

Velocity map imaging studies of the photodissociation of H2O+ cations,
A.G. Sage, T.A.A. Oliver, R.N. Dixon and M.N.R. Ashfold, Mol. Phys. 108 945-55 (2010). PDF file

Dynamical insights into 1πσ* state mediated photodissociation in aniline,
G.A. King, T.A.A. Oliver and M.N.R. Ashfold, J. Chem. Phys. 132 214307 (2010). PDF file

The conformer resolved ultraviolet photodissociation of morpholine,
T.A.A. Oliver, G.A. King and M.N.R. Ashfold, Chem. Sci. 1 89 (2010). PDF file

The ultraviolet photodissociation of axial and equatorial conformers of 3-pyrroline,
T.A.A. Oliver, G.A. King and M.N.R. Ashfold, J. Chem. Phys. 133 194303 (2010). PDF file

nσ* and πσ* excited states in aryl halide photochemistry: a comprehensive study of the UV photodissociation dynamics of iodobenzene,
A.G. Sage, T.A.A. Oliver, D. Murdock, M.B. Crow, G.A.D. Ritchie, J.N. Harvey and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 13 8075-93 (2011). PDF file

Tunnelling under a conical intersection: application to the product vibrational state distributions in the UV photodissociation of phenols,
R.N. Dixon, T.A.A. Oliver and M.N.R. Ashfold, J. Chem. Phys. 134 194303 (2011). PDF file

Linking photochemistry in the gas and solution phase: S–H bond fission in p-methylthiophenol following UV photoexcitation,
T.A.A. Oliver, Y. Zhang, M.N.R. Ashfold and S.E. Bradforth, Farad Disc. 150 439-58 (2011). PDF file

Position matters: competing O–H and N–H bond fission pathways in hydroxyl- and methoxy- substituted indoles,
T.A.A. Oliver, G.A. King and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 13 14646-62 (2011). PDF file

Conformer specific dissociation dynamics of iodocyclohexane studied by velocity map imaging,
D.K. Zaouris, A.M. Wenge, D. Murdock, T.A.A. Oliver, G. Richmond, G.A.D. Ritchie, R.N. Dixon and M.N.R. Ashfold, J. Chem. Phys. 135 094312 (2011). PDF file

Cavity Ring Down Spectroscopy

Spectroscopy and Predissociation Dynamics of HNO A1A studied by cavity ring down spectroscopy
J. Pearson, A.J. Orr-Ewing, M.N.R. Ashfold and R.N. Dixon, J. Chem. Phys. 106, 5850-73 (1997). PDF file

Predissociative Lifetimes of the A2Σ+ v=1 State of the SH Radical Determined by Cavity Ring Down Spectroscopy
M.D. Wheeler, A.J. Orr-Ewing, M.N.R. Ashfold, and T. Ishiwata, Chem. Phys. Lett. 268, 421-428 (1997).PDF file

Predissociation dynamics of the A2 Σ+ state of SH and SD
M.D. Wheeler, A.J. Orr-Ewing and M.N.R. Ashfold, J. Chem. Phys. 107, 7591-600 (1997). PDF file

Cavity Ring Down Spectroscopy
M.D. Wheeler, S.M. Newman, M.N.R. Ashfold and A.J. Orr-Ewing, J. Chem. Soc. Faraday Trans. 94, 337-51 (1998). PDF file

Cavity ring-down spectroscopy of the A2 Π - X2 Π transition of BrO
M.D. Wheeler, S.M. Newman and A.J. Orr-Ewing, Chem. Phys. Lett. 285, 346-51 (1998). PDF file

Predissociation dynamics of the B3 Σu- state of S2
M.D. Wheeler, S.M. Newman and A.J. Orr-Ewing, J. Chem. Phys. 108, 6594-605 (1998). PDF file

Cavity ring-down spectroscopy of the A2 Π-X2 Π transition of IO
S.M. Newman, W.H. Howie, I.C. Lane, M.R. Upson, and A.J. Orr-Ewing, J. Chem. Soc. Faraday Trans. 94, 2681-8 (1998). PDF file

Integrated absorption intensity and Einstein coefficients for the O2(a1 Δg-X3 Σg-) transition - a comparison of cavity ring-down and high-resolution FT spectroscopy using a long-path absorption cell
S.M. Newman, I.C. Lane, A.J. Orr-Ewing, D.M. Newnham and J. Ballard, J. Chem. Phys. 110, 10749 (1999). PDF file

Kinetics studies of reactions of IO radicals determined by cavity ring-down spectroscopy
D.B.Atkinson, J.W. Hudgens and A.J. Orr-Ewing, J. Phys. Chem. 103, 6173-80 (1999). PDF file

The UV absorption of ClO 1: The A2 Π - X2 Π spectrum at wavelengths from 285 - 320 nm studied by cavity ring-down spectroscopy
W.H. Howie, I.C. Lane, S.M. Newman, D. Johnson and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 1, 3079 (1999). PDF file

The UV absorption of ClO 2: Predissociation of the A2 Π state studied by ab initio and Fermi Golden rule calculations
I.C. Lane, W.H. Howie and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 1, 3087 (1999). PDF file

Rotational structure in the A1A'' - X1A' spectrum of formyl chloride
H. Ding, A.J. Orr-Ewing and R.N. Dixon, Phys. Chem. Chem. Phys. 1, 4181 (1999). PDF file

Temperature and pressure dependenc of linewidths and integrated absorption intensities for the O2 (a1 Δg-X3 Σg-) transition
S.M. Newman, I.C. Lane, A.J. Orr-Ewing, D.M. Newnham and J. Ballard, J. Phys. Chem. A. 104, 9467 (2000). PDF file

The near ultra-violet spectrum of the FCO radical: re-assignment of transitions and predissociation of the electronically excited state
W.H. Howie, I.C. Lane and A.J. Orr-Ewing, J. Chem. Phys. 113, 7237 (2000). PDF file

Effects of NH3 and N2 additions to hot filament activated CH4/H2 gas mixtures
J.A. Smith, J.B. Wills, H.S. Moores, A.J. Orr-Ewing, M.N.R. Ashfold, Yu.A. Mankelevich and N.V. Suetin, J. Appl. Phys. 92, 672-681 (2002). PDF file

Measurements of C2 and CH radical concentrations and temperatures in a dc arc jet using cavity ring down spectroscopy
J.B. Wills, J.A. Smith, W.E. Boxford, J.M.F. Elks, M.N.R. Ashfold and A.J. Orr-Ewing, J. Appl. Phys., 92, 4213-4222 (2002). PDF file

Trace detection of methane using continuous wave cavity ring-down spectroscopy at 1.65 µm
B.L. Fawcett, A.M. Parkes, D.E. Shallcross and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 4, 5960 (2002). PDF file

410 nm diode laser cavity ring-down spectroscopy for trace detection of NO2
M.I. Mazurenka, B.L. Fawcett, D.E. Shallcross and A.J. Orr-Ewing, Chem. Phys. Lett. 367, 1 (2003). PDF file

Number densities and temperatures of acetylene in hot filament and arc-jet activated CH4/H2 gas mixtures measured using diode laser cavity ring-down spectroscopy
J.B. Wills, M.N.R. Ashfold, A.J. Orr-Ewing, Yu.A. Mankelevich and N.V. Suetin, Diamond and Relat. Mater. 12, 1346 (2003). PDF file

Trace detection of volatile organic compounds by diode laser cavity ring-down spectroscopy
A.M. Parkes, B.L. Fawcett, R.E. Austin, S. Nakamichi, D.E. Shallcross and A.J. Orr-Ewing, The Analyst, 128, 960 (2003). PDF file

Absorption cross sections and pressure broadening of rotational lines in the 3v3 band of N2O determined by diode laser cavity ring-down spectroscopy
A.M. Parkes, A.R. Linsley and A.J. Orr-Ewing, Chem. Phys. Lett. 377 439-444 (2003). PDF file

Cavity ring-down spectroscopy measurements of the concentrations of C2(X1S+) radicals in a DC arc jet reactor used for chemical vapour deposition of diamond films.
C.J. Rennick, J.A. Smith, M.N.R. Ashfold and A.J. Orr-Ewing, Chem. Phys. Lett. 383, 518-522 (2004). PDF file

Combining pre-concentration of air samples with cavity ring-down spectroscopy for detection of trace volatile organic compounds in the atmosphere
A.M. Parkes, R.E. Lindley and A.J. Orr-Ewing, Anal. Chem. 76, 7329-7335 (2004).PDF file.

Absorption cross sections and pressure broadening of rotational lines in the v5 + v9 band of ethene measured by diode laser cavity ring-down spectroscopy
A.M. Parkes, R.E. Lindley and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 6, 5313-5317 (2004). PDF file.

Cavity ring-down and cavity enhanced spectroscopy using diode lasers
M.I. Mazurenka, A.J. Orr-Ewing, R. Peverall and G.A.D. Ritchie, Annual Reports C, 101, 100 - 142 (2005). PDF file

The photochemistry of formaldehyde under tropospheric conditions
F.D. Pope, C.A. Smith, P.R. Davis, D.E. Shallcross, M.N.R. Ashfold and A.J. Orr-Ewing, Faraday Disc. 130 59 - 72 (2005).

Fast Fourier transform analysis in cavity ring-down spectroscopy: application to an optical detector for atmospheric NO2
M.I. Mazurenka, R. Wada, A.J.L. Shillings, T.J.A. Butler, J.M. Beames and A.J. Orr-Ewing, Appl. Phys. B 81, 135-141 (2005). PDF file

Continuous wave cavity ring-down spectroscopy measurement of NO2 mixing ratios in ambient air.
R. Wada and A.J. Orr-Ewing, The Analyst 130, 1595 - 1600 (2005). PDF file

CRDS measurements of single aerosol particle extinction part 1. The effect of position of a single particle within the laser beam on extinction,
T.J.A. Butler, J.L. Miller and A.J. Orr-Ewing, J. Chem. Phys. 126, 174302 (2007). PDF file.

CRDS measurements of single aerosol particle extinction part 2. Extinction of light by an aerosol particle in an optical cavity excited by a cw laser,
J.L. Miller and A.J. Orr-Ewing, J. Chem. Phys. 126, 174303 (2007). PDF file.

Optical properties of micrometer size water droplets studied by cavity ring-down spectroscopy, S. Rudic, R.E.H. Miles, A.J. Orr-Ewing and J.P. Reid, Applied Optics, 46, 6142 - 6150 (2007). PDF file

Measurement of IO concentrations in the marine boundary layer using a cavity ring-down spectrometer
R. Wada, J.M. Beames and A.J. Orr-Ewing, J. Atm. Chem. 58, 69 - 87 (2007). PDF file

Trace detection of C2H2 in ambient air using continuous wave cavity ring-down spectroscopy combined with sample pre-concentration,
M. Pradhan, R.E. Lindley, R. Grilli, I.R. White, D. Martin and A.J. Orr-Ewing, Appl. Phys. B 90, 1 - 9 (2008). PDF file

Automated system for monitoring trace C2H2 in ambient air by cavity ring-down spectroscopy combined with sample pre-concentration,
M. Pradhan, M.S.I. Aziz, R. Grilli and A.J. Orr-Ewing, Environmental Science & Technology, 42, 7354 - 7359 (2008). PDF file

Interaction energy of water dimers from pressure broadening of near IR absorption lines
P. Fiadzomor, A.M. Keen, R.B. Grant and A.J. Orr-Ewing, Chem. Phys. Lett. 462 188 - 191 (2008). PDF file

Pressure broadening of H2O absorption lines in the 1.3 µm region measured by cw-CRDS: application in the trace detection of water vapour in N2, SiH4, CF4 and PH3,
P. Fiadzomor, D.M. Baker, A.M. Keen, R.B. Grant and A.J. Orr-Ewing, Appl. Spectroscopy 62, 1354 - 1362 (2008). PDF file

Ultraviolet photolysis of HCHO: absolute HCO quantum yields by direct detection of the HCO photoproduct
P. Gorrotxategi Carbajo, S.C. Smith, A.L. Holloway, C.A. Smith, F.D. Pope, D.E. Shallcross and A.J. Orr-Ewing, J. Phys. Chem A 112, 12437 - 12448 (2008). PDF file

3.5 µm high-resolution gas sensing employing a LiNbO3 QPM-DFG waveguide module
L. Ciaffoni, R. Grilli, G. Hancock, A.J. Orr-Ewing, R. Peverall and G.A.D. Ritchie, Appl. Phys. B 94, 517-525 (2009). PDF file.

Optical-feedback cavity ring-down spectroscopy measurements of extinction by aerosol particles
T.J.A. Butler, D. Mellon, J. Kim, J. Litman and A.J. Orr-Ewing, J. Phys. Chem. A 113, 3963 - 3972 (2009). PDF file.

Mid-IR ethane detection using difference frequency generation in a quasi-phase matched LiNbO3 waveguide
R. Grilli, L. Ciaffoni, G. Hancock, R. Peverall, G.A.D. Ritchie and A.J. Orr-Ewing, Appl. Opt., 48, 5696-5703 (2009). PDF file

NO2 quantum yields from ultraviolet photodissociation of methyl and isopropyl nitrates,
P. Gorrotxategi Carbajo and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 12, 6084-6091 (2010). PDF file

Optical feedback cavity enhanced absorption spectroscopy (OF CEAS) in a ring cavity,
D. Hamilton, M.G.D. Nix, S.G. Baran, G. Hancock and A.J. Orr-Ewing, Appl. Phys. B 100 233 - 242(2010). PDF file

A quantum cascade laser based optical feedback cavity-enhanced absorption spectrometer for the simultaneous measurement of CH4 and N2O in air,
D. Hamilton and A.J. Orr-Ewing, Appl. Phys. B 102, 879-890 (2011). PDF file

Measurement of extinction by aerosol particles in the near infra-red using continuous wave cavity ring-down spectroscopy,
D. Mellon, S.J. King, J. Kim, J.P. Reid and A.J. Orr-Ewing, J. Phys. Chem. A 115 774-783 (2011). PDF file


Reaction Dynamics

The Dynamical Stereochemistry of Bimolecular Reactions,
A.J. Orr-Ewing, J. Chem. Soc. Faraday Trans., 92, 881-900 (1996).

Scattering-Angle Resolved Product Rotational Alignment for the Reaction of Cl with Vibrationally Excited Methane
A.J. Orr-Ewing, W.R. Simpson, T.P. Rakitzis, S.A. Kandel, and R.N. Zare, J. Chem. Phys., 106, 5961-5971 (1997). PDF file

The Effect of Reagent Translational Energy on the Dynamics of the Reaction O(3P) + CS(X1 Σ+) → CO(X1 Σ+) + S(3P)
D. Summerfield, M.L. Costen, G.A.D. Ritchie, G. Hancock, T.W.R. Hancock, and A.J. Orr-Ewing, J. Chem. Phys. 106, 1391-1401 (1997). PDF file

Rotational distribution of the HCl products from the reaction of Cl(2P) with methanol
S. Rudić, D. Ascenzi and A.J. Orr-Ewing, Chem. Phys. Lett. 332, 487 (2000). PDF file

The dynamics of formation of HCl products from the reaction of Cl atoms with methanol, ethanol, and dimethyl ether
S Rudić, C. Murray, D. Ascenzi, H Anderson, J.N. Harvey and A.J. Orr-Ewing, J. Chem. Phys. 117, 5692 (2002). PDF file

The product branching and dynamics of the reaction of chlorine atoms with methylamine
S. Rudić, C. Murray, J.N. Harvey and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 5, 1205 (2003). PDF file

On-the-fly ab initio trajectory calculations of the dynamics of Cl atom reactions with methane, ethane and methanol
S. Rudić, C. Murray, J.N. Harvey, and A.J. Orr-Ewing, J. Chem. Phys. 120, 186 - 198 (2004). PDF file.

Imaging the quantum-state specific differential cross sections of HCl formed from reactions of chlorine atoms with methanol and dimethyl ether
C. Murray, A.J. Orr-Ewing, R.L. Toomes and T.N. Kitsopoulos, J. Chem. Phys. 120, 2230 - 2237 (2004). PDF file

The dynamics of the H-atom abstraction reactions between chlorine atoms and the methyl halides
C. Murray, B. Retail and A.J. Orr-Ewing, Chem. Phys. 301, 239 - 249 (2004). PDF file.

Imaging the dynamics of reactions of chlorine atoms with methyl halides
R.L. Toomes, A.J. van den Brom, T.N. Kitsopoulos, C. Murray and A.J. Orr-Ewing, J. Phys. Chem. A 108, 7909-7914 (2004). PDF file

The dynamics of chlorine atom reactions with polyatomic organic molecules
C. Murray and A.J. Orr-Ewing, Int. Rev. Phys. Chem. 23, 435-482 (2004). PDF file

Non-adiabatic dynamics in the CH3 + HCl → CH4 + Cl(2PJ) reaction
B. Retail, J.K. Pearce, C. Murray and A.J. Orr-Ewing, J. Chem. Phys. 122, 101101 (2005). PDF file

H-atom abstraction dynamics of reactions between Cl atom and heterocyclic organic molecules
J.K. Pearce, C. Murray, P.N. Stevens and A.J. Orr-Ewing, Molecular Physics 103, 1785-1796 (2005). PDF file

How do the structures of polyatomic molecules affect their reaction dynamics?
J.K. Pearce, C. Murray and A.J. Orr-Ewing, Physica Scripta 73, 1 - 6 (2006).

Stereodynamics of chlorine atom reactions with organic molecules
C. Murray, J.K. Pearce, S. Rudic, B. Retail and A.J. Orr-Ewing, feature article for J. Phys. Chem. A 109, 11093 - 11102 (2005). PDF file

Studying chattering collisions in the Cl + ethane reaction with classical trajectories
S.J. Greaves, J. Kim, A.J. Orr-Ewing and D. Troya, Chem. Phys. Lett. 441, 171 - 175 (2007). PDF file

Imaging the nonadiabatic dynamics of the CH3 + HCl reaction
B. Retail, S.J. Greaves, J.K. Pearce, R.A. Rose and A.J. Orr-Ewing, PCCP 9, 3261 - 3267 (2007). PDF file .

Imaging the dynamics of reactions between Cl atoms and the cylic ethers oxirane and oxetane,
J.K. Pearce, B. Retail, S.J. Greaves, R.A. Rose and A.J. Orr-Ewing, J. Phys. Chem. A 111, 13296 - 13304 (2007). PDF file

The dynamics of reaction of Cl atoms with tetramethylsilane,
B. Retail, R.A. Rose, J.K. Pearce, S.J. Greaves and A.J. Orr-Ewing, PCCP 10, 1675 - 1680 (2008). PDF file

Adiabatic and nonadiabatic dynamics in the CH3 (CD3) + HCl reaction,
B. Retail, J.K. Pearce, S.J. Greaves, R.A. Rose and A.J. Orr-Ewing, J. Chem. Phys. 128 184303 (1-8) (2008). PDF file

Classical trajectory study of the dynamics of the reaction of Cl atoms with ethane,
S.J. Greaves, A.J. Orr-Ewing and D. Troya, J. Phys. Chem. A 112, 9387 - 9395 (2008). PDF file

Ab initio molecular dynamics (MD) study of the electron capture processes of protonated methane (CH5+),
H. Tachikawa and A.J. Orr-Ewing, J. Phys. Chem A 112, 11575 - 11581 (2008). PDF file

Velocity map imaging of the dynamics of the CH3 + HCl reaction using a dual molecular beam method,
R.A. Rose, S.J. Greaves and A.J. Orr-Ewing, Mol. Phys. 108, 981-992 (2010). PDF file

Velocity map imaging of the dynamics of bimolecular reactions,
S.J. Greaves, R.A. Rose and A.J. Orr-Ewing, PCCP 12, 9129 - 9143 (2010) DOI: 10.1039/c001233e. PDF file

Velocity map imaging of the dynamics of the reactions of Cl atoms with neopentane and tetramethylsilane,
R.A. Rose, S.J. Greaves and A.J. Orr-Ewing, J. Chem. Phys. 132, 244312 (13 pages) (2010). PDF file

Processes involving multiple potential energy surfaces,
B. Retail and A.J. Orr-Ewing, chapter in Tutorials in Molecular Reaction Dynamics ed. M. Brouard and C. Vallance, Royal Society of Chemistry (2010).

Vibrationally quantum-state-specific reaction dynamics of H atom abstraction by CN radical in solution,
S.J. Greaves, R.A. Rose, T.A.A. Oliver, D.R. Glowacki, M.N.R. Ashfold, J.N. Harvey, I.P. Clark, G.M. Greetham, A.W. Parker, M. Towrie and A.J. Orr-Ewing, Science 331, 1423-1426 (2011). PDF file

Quasi-classical trajectory study of the dynamics of the Cl + CH4 ® HCl + CH3 reaction,
S.J. Greaves, R.A. Rose, F. Abou-Chahine, D.R. Glowacki, D. Troya and A.J. Orr-Ewing, submitted (Nov 2010).


Probing the Gas Phase and Gas-surface Chemistry involved in Diamond Chemical Vapour Deposition

On the use of Resonance Enhanced Multiphoton Ionisation (REMPI) for probing hydrogen atoms in Diamond Chemical Vapour Deposition using a Hot Filament Reactor
S.A. Redman, S.R. Langford, K.N. Rosser and M.N.R. Ashfold, Proc. SPIE. 3484, 34-42 (1998).

Resonance Enhanced Multiphoton Ionisation Probing of H atoms in a Hot Filament Chemical Vapour Deposition Reactor
S.A. Redman, C. Chung, K.N. Rosser and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 1, 1415-24 (1999). PDF file

H atom production in a hot filament chemical vapour deposition reactor
S.A. Redman, C. Chung and M.N.R. Ashfold, Diamond Rel. Mater. 8, 1383-7 (1999). PDF file

Resonance Enhanced Multiphoton Ionisation Probing of H atoms and CH3 Radicals in a Hot Filament Chemical Vapour Deposition Reactor
J.A. Smith, M.A. Cook, S.R. Langford, S.A. Redman and M.N.R. Ashfold, Thin Solid Films, 368, 169-75 (2000). PDF file

On the mechanism of CH3 radical formation in hot filament activated CH4/H2 and C2H2/H2 gas mixtures
J.A. Smith, E. Cameron, M.N.R. Ashfold, Y.A. Mankelevich and N.V. Suetin, Diamond Rel. Mater. 10, 358-363 (2001). PDF file

Experimental data versus 3-D model calculations of HFCVD processes: correlations and discrepancies
Y.A. Mankelovich, N.V. Suetin, M.N.R. Ashfold, J.A. Smith and E. Cameron, Diamond Rel. Mater. 10, 364-369 (2001). PDF file

Diamond depostion in a DC-arc jet CVD system; investigations of the effects of nitrogen addition
J.A. Smith, K.N. Rosser, H. Yagi, M.I. Wallace, P.W. May and M.N.R Ashfold, Diamond Rel. Mater. 10, 370-375 (2001). PDF file

Unravelling aspects of the gas phase chemistry involved in diamond chemical vapour deposition
M.N.R. Ashfold, P.W. May, J.R. Petherbridge, K.N. Rosser, J.A. Smith, Y.A. Mankelevich and N.V. Suetin, Phys. Chem. Chem. Phys. 3, 3471-3485 (2001). PDF file

Investigations of the gas phase chemistry in a hot filament CVD reactor operating with CH4/N2/H2 and CH4/NH3/H2 gas mixtures
Y.A. Mankelevich, N.V. Suetin, J.A. Smith and M.N.R. Ashfold, Diamond. Rel. Matter 11, 567-72 (2002). PDF file

Effects of NH3 and N2 additions to hot filament activated CH4/H2 gas mixtures
J.A. Smith, J.B. Wills, H.S. Moores, A.J. Orr-Ewing, M.N.R. Ashfold, Yu.A. Mankelevich and N.V. Suetin, J. Appl. Phys. 92, 672-681 (2002). PDF file

Measurements of C2 and CH radical concentrations and temperatures in a dc arc jet using cavity ring down spectroscopy
J.B. Wills, J.A. Smith, W.E. Boxford, J.M.F. Elks, M.N.R. Ashfold and A.J. Orr-Ewing, J. Appl. Phys., 92, 4213-4222 (2002). PDF file

Chemical kinetics in carbon depositing dc arc jet CVD reactors
Yu.A. Mankelevich, N.V. Suetin, M.N.R. Ashfold, W.E. Boxford, A.J. Orr-Ewing, J.A. Smith and J.B. Wills, Diamond and Relat. Mater. 12, 383 (2003). PDF file

Number densities and temperatures of acetylene in hot filament and arc-jet activated CH4/H2 gas mixtures measured using diode laser cavity ring-down spectroscopy
J.B. Wills, M.N.R. Ashfold, A.J. Orr-Ewing, Yu.A. Mankelevich and N.V. Suetin, Diamond and Relat. Mater. 12, 1346 (2003). PDF file

Cavity ring-down spectroscopy measurements of the concentrations of C2(X1S+) radicals in a DC arc jet reactor used for chemical vapour deposition of diamond films, C.J. Rennick, J.A. Smith, M.N.R. Ashfold and A.J. Orr-Ewing, Chem. Phys. Lett. 383, 518-522 (2004). PDF file

Improved characterisation of C2 and CH radical number density distributions in a DC arc jet used for diamond chemical vapour deposition
C.J. Rennick, A.G. Smith, J.A. Smith, J.B. Wills, A.J. Orr-Ewing, M.N.R. Ashfold, Yu.A. Mankelevich and N.V. Suetin, Diamond and Relat. Mater. 13, 561-8 (2004). PDF file

Computational studies of elementary steps relating to boron doping during diamond chemical vapour deposition,
A. Cheesman, J.N. Harvey and M.N.R. Ashfold, Phys. Chem. Chem. Phys. 7, 1121-6 (2005). PDF file

Measurement and modelling of a diamond deposition reactor: Hydrogen atom and electron number densities in an Ar/H2 arc jet discharge,
C.J. Rennick, R. Engeln, J.A. Smith, A.J. Orr-Ewing, M.N.R. Ashfold and Yu.A. Mankelevich, J. Appl. Phys. 97, 113306 (2005). PDF file

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,
A. Cheesman, J.A. Smith, M.N.R. Ashfold, N. Langford, S. Wright and G. Duxbury, J. Phys. Chem. A. 110, 2821-8 (2006). PDF file

Experimental and modeling studies of B atom number density distributions in hot filament activated B2H6/H2 and B2H6/CH4/H2 gas mixtures,
D.W. Comerford, A. Cheesman, T.P.F. Carpenter, D.M.E. Davies, N.A. Fox, R.S. Sage, J.A. Smith, M.N.R. Ashfold and Yu. A. Mankelevich, J. Phys. Chem. A. 110, 2868-75 (2006). PDF file

Spatial profiling of H(n=2) atom number densities in a DC arc jet reactor,
C.J. Rennick, J. Ma, M.N.R. Ashfold, A.J. Orr-Ewing and Yu.A. Mankelevich, Plasma Sources Sci. Tech. 15, 432-440 (2006). PDF file

Measurement and modelling of Ar/H2/CH4 arc jet discharge CVD reactors I: intercomparison of derived spatial variations of H atom, C2 and CH radical densities
C.J. Rennick, J. Ma, J.J. Henney, J.B. Wills, M.N.R. Ashfold, A.J. Orr-Ewing and Yu.A. Mankelevich, J. Appl. Phys. 102, 063309(13 pages) (2007). PDF file

Measurement and modelling of Ar/H2/CH4 arc jet discharge CVD reactors II: modelling of the spatial dependence of expanded plasma parameters and species number densities
Yu.A. Mankelevich, M.N.R. Ashfold and A.J. Orr-Ewing, J. Appl. Phys. J. Appl. Phys. 102, 063310(11 pages) (2007). PDF file

Filament seasoning and its effect on the chemistry prevailing in hot filament activated gas mixtures used in diamond chemical vapour deposition,
D.W. Comerford, U.F.S. d'Haenens-Johansson, J.A. Smith, M.N.R. Ashfold and Yu. A. Mankelevich, Thin Solid Films 516, 521-5 (2008). PDF file

Studies of carbon incorporation on the diamond {100} surface during chemical vapour deposition using density functional theory,
A. Cheesman, J.N. Harvey and M.N.R. Ashfold, J. Phys. Chem. A 112, 11436-48 (2008). PDF file

Plasma-chemical processes in microwave plasma-enhanced chemical vapor deposition reactors operating with C/H/Ar gas mixtures
Yu.A. Mankelevich, M.N.R. Ashfold and Jie Ma, J. Appl. Phys. 104, 113304(11 pages) (2008). PDF file

Probing the plasma chemistry in a microwave reactor used for diamond chemical vapor deposition by cavity ring down spectroscopy
Jie Ma, J.C. Richley, M.N.R. Ashfold and Yu.A. Mankelevich, J. Appl. Phys. 104, 103305(9 pages) (2008). PDF file

Validating optical emission spectroscopy as a diagnostic of microwave activated CH4 /Ar/H2 plasmas used for diamond chemical vapor deposition
Jie Ma, M.N.R. Ashfold and Yu.A. Mankelevich, J. Appl. Phys. 105, 043302(12 pages) (2009). PDF file

On the mechanism of H atom production in hot filament activated H2 and CH4/H2 gas mixtures.
D.W. Comerford, J.A. Smith, M.N.R. Ashfold and Yu.A. Mankelevich, J. Chem. Phys. 131, 044326(12 pages) (2009). PDF file

Quantum cascade laser investigations of CH4 and C2H2 interconversion in hydrocarbon/H2 gas mixtures during microwave plasma enhanced chemical vapor deposition of diamond.
J. Ma, A. Cheesman, M.N.R. Ashfold, K.G. Hay, S. Wright, N. Langford, G. Duxbury and Yu.A. Mankelevich, J. Appl. Phys. 106, 033305(15 pages) (2009). PDF file

Understanding the chemical vapor deposition of diamond: recent progress.
J.E. Butler, Y.A. Mankelevich, A. Cheesman, Jie Ma and M.N.R. Ashfold, J. Phys. Condens. Matt. 21, 364201(20 pages) (2009). PDF file

On the role of carbon radical insertion reactions in the growth of diamond by chemical vapour deposition methods.
J.C Richley, J.N. Harvey and M.N.R. Ashfold, J. Phys. Chem. A 113, 11416-22 (2009). PDF file

Spectroscopic and modeling investigations of the gas-phase chemistry and composition in microwave plasma activated B2H6/Ar/H2 mixtures.
Jie Ma, J.C. Richley, D.R.W. Davies, A. Cheesman, M.N.R. Ashfold and Y.A. Mankelevich, J. Phys. Chem. A 114, 2447-63 (2010). PDF file

Spectroscopic and modeling investigations of the gas-phase chemistry and composition in microwave plasma activated B2H6/CH4/Ar/H2 gas mixtures.
Jie Ma, J.C. Richley, D.R.W. Davies, M.N.R. Ashfold and Y.A. Mankelevich, J. Phys. Chem. A 114, 10076-89 (2010). PDF file

Combined experimental and modeling studies of microwave activated CH4/H2/Ar plasmas for microcrystalline, nanocrystalline and ultrananocrystalline diamond deposition
J.C. Richley, O.J.L. Fox, M.N.R. Ashfold and Y.A. Mankelevich, J. Appl. Phys. 109, 063307 (14 pages) (2011). PDF file

Boron doping: B/H/C/O gas-phase chemistry; H atom density dependences on pressure and wire temperature; puzzles regarding the gas-surface mechanism.
Y.A. Mankelevich, M.N.R. Ashfold, D.W. Comerford, Jie Ma and J.C. Richley, Thin Solid Films 519, 4421-5 (2011). PDF file

Laser Ablation and Thin Film Growth

Production and Characterisation of Amorphic Diamond Films produced by pulsed laser ablation of graphite
S.E. Johnson, M.N.R. Ashfold, M.P. Knapper, R.J. Lade, K.N. Rosser, N.A. Fox and W.N. Wang, Diamond Rel. Mater. 6, 569-73 (1997). PDF file

Excimer Laser Processing of CVD Diamond Fibres
G. Meaden, S.E. Johnson, R.J. Lade, E.D. Nicholson, M.N.R. Ashfold and P.G. Partridge, J. Mater. Sci. 32, 3801-6 (1997). PDF file

Investigation of Hydrogenated Amorphous Carbon (a-C:H) Films produced by ArF (193nm) Laser Ablation of Poly(methyl methacrylate)
R.J Lade, D.J. Munns, S.E. Johnson, P.W. May, K.N. Rosser and M.N.R. Ashfold. Diamond Rel. Mater. 7, 699-703 (1998). PDF file

ArF (193 nm) Laser Ablation of Poly(methyl methacrylate)
R.J. Lade, I.W. Morley, P.W. May, K.N. Rosser and M.N.R. Ashfold, Diamond Rel. Mater. 8, 1654-8 (1999). PDF file

Studies of the ablation plume arising in 193 nm laser irradiation of graphite in vacuum
R.J. Lade and M.N.R. Ashfold, Surf. Coat. Technol. 120-1, 313-8 (1999). PDF file

193 nm laser ablation of CVD diamond and graphite in vacuum: plume analysis and film properties
R.J. Lade, F. Claeyssens, K.N. Rosser and M.N.R. Ashfold, Appl. Phys. A. 69, S935-9 (1999). PDF file

Investigations of the plume accompanying pulsed ultraviolet laser ablation of graphite in vacuum
F. Claeyssens, R.J. Lade, K.N. Rosser, and M.N.R. Ashfold, J. Appl. Phys. 89, 697-701 (2001). PDF file

Studies of plume emission accompanying 248 nm laser ablation of graphite in vacuum: Effects of pulse duration
F. Claeyssens, M.N.R. Ashfold, E. Sofoulakis, C.G. Ristoscu, D. Anglos and C. Fotakis, J. Appl. Phys. 91, 6162-72 (2002). PDF file

Studies of the plume accompanying pulsed ultraviolet laser ablation of zinc oxide
F. Claeyssens, A. Cheesman, S.J. Henley and M.N.R. Ashfold, J. Appl. Phys., 92 6886-6894 (2002). PDF file

The oriented growth of ZnO films on NaCl substrates by pulsed laser ablation
S.J. Henley, M.N.R. Ashfold and D. Cherns, Thin Solid Films, 422 69-72 (2002). PDF file

Structural characterisation of CNx thin films deposited by laser ablation
G.M. Fuge, C.J. Rennick, S.R.J. Pearce, P.W. May and M.N.R. Ashfold, Diamond and Rel. Mater., 12 1049-1054 (2003). PDF file

The structure and composition of lithium fluoride films grown by off-axis pulsed laser ablation
S.J. Henley, M.N.R. Ashfold and S.R.J. Pearce, Appl. Surf. Sci. 217 68-77 (2003) PDF file

Comparison of the ablation plumes arising from ArF laser ablation of graphite, silicon, copper and aluminum in vacuum
F. Claeyssens, S.J. Henley and M.N.R. Ashfold, J. Appl. Phys. 94 2203-2211 (2003) PDF file

Pulsed laser ablation and deposition of thin films
M.N.R. Ashfold, F. Claeyssens, G.M. Fuge and S.J. Henley, Chem. Soc. Rev. 23 23-31 (2004) PDF file

The growth of transparent conducting ZnO films by pulsed laser ablation
S.J. Henley, M.N.R. Ashfold and D. Cherns, Surf. Coat. Technol. 177-8 271-6 (2004) PDF file

Laser Raman and X-ray photoelectron spectroscopy of phosphorus containing diamond-like carbon films grown by pulsed laser ablation methods
G.M. Fuge, P.W. May, K.N. Rosser, S.R.J. Pearce and M.N.R. Ashfold, Diamond and Rel. Mater. 13 1442-8 (2004) PDF file

Controlling the size and alignment of ZnO microrods using ZnO thin film templates deposited by pulsed laser ablation methods
S.J. Henley, M.N.R. Ashfold, D.P. Nicholls, P. Wheatley and D. Cherns, Appl. Phys. A 79 1169-73 (2004) PDF file

Phosphorus carbide thin films: experiment and theory
F. Claeyssens, G.M. Fuge, N.L. Allan, P.W. May, S.R.J. Pearce and M.N.R. Ashfold, Appl. Phys. A 79 1237-41 (2004) PDF file

Growth of aligned ZnO nanorod arrays by catalyst-free pulsed laser deposition methods
Ye Sun, G.M. Fuge and M.N.R. Ashfold, Chem. Phys. Lett. 396 21-6 (2004) PDF file

Phosphorus carbides: experiment and theory
F. Claeyssens, G.M. Fuge, N.L. Allan, P.W. May and M.N.R. Ashfold, Dalton Trans. 3085-92 (2004) PDF file

Comparing the short and ultrashort pulsed laser ablation of LiF
S.J. Henley, G.M. Fuge and M.N.R. Ashfold, J. Appl. Phys. 97 023304:1-9 (2005) PDF file

Growth of ZnO thin films - Experiment and Theory
F. Claeyssens, C.L. Freeman, N.L. Allan, Ye Sun, M.N.R. Ashfold and J.H. Harding, J. Mater. Chem. 15 139-48 (2005) PDF file

Synthesis of aligned arrays of ultra-thin ZnO nanotubes on a Si wafer coated with a thin ZnO film,
Ye Sun, G.M. Fuge, N.A. Fox, D.J. Riley and M.N.R. Ashfold, Adv. Mater. 17 2477-81 (2005) PDF file

Dynamics of confined plumes during the short and ultra-short pulsed laser ablation of graphite,
S.J. Henley, J.D. Carey, S.R.P. Silva, G.M. Fuge, M.N.R. Ashfold and D. Anglos, Phys. Rev. B 72 205413:1-13 (2005) PDF file

Growth mechanisms for ZnO nanorods formed by pulsed laser deposition,
Ye Sun, G.M. Fuge and M.N.R. Ashfold, Superlattices and Microstructures 39 33-40 (2006) PDF file

Studies of the plume emission during the femtosecond and nanosecond ablation of graphite in nitrogen
G.M. Fuge, M.N.R. Ashfold and S.J. Henley, J. Appl. Phys. 99 014309:1-12 (2006) PDF file

Mechanism of ZnO nanotube growth by hydrothermal methods on ZnO film-coated Si Substrates,
Ye Sun, D.J. Riley and M.N.R. Ashfold, J. Phys. Chem. B 110 15186-92 (2006) PDF file

Synthesis and photoluminescence of ultra-thin ZnO nanowire/nanotube arrays formed by hydrothermal growth,
Ye Sun, N.G. Ndifor-Angwafor, D.J. Riley and M.N.R. Ashfold, Chem. Phys. Lett. 431 352-7 (2006) PDF file

Photoluminescence from diameter-selected ZnO nanorod arrays,
Ye Sun and M.N.R. Ashfold, Nanotechnology 18 245701(5pp) (2007) PDF file

Polarity determination of zinc oxide nanorods by defocused convergent-beam electron diffraction,
D.P. Nicholls, R. Vincent, D. Cherns, Y. Sun and M.N.R. Ashfold, Phil. Mag. Letts. 87 417-21 (2007) PDF file

Growth of nanostructured ZnO thin films on sapphire,
R.P. Doherty, Y.K. Sun, Y. Sun, J.L. Warren, N.A. Fox, D. Cherns and M.N.R. Ashfold, Appl. Phys. A 89 49-55 (2007) PDF file

The kinetics of the hydrothermal growth of ZnO nanostructures,
M.N.R. Ashfold, R.P. Doherty, N.G. Ndifor-Angwafor, D.J. Riley and Y. Sun, Thin Solid Films 515 8679-83 (2007) PDF file

Effect of incident fluence on the growth of ZnO nanorods by pulsed excimer laser deposition,
Ye Sun, R.P. Doherty, J.L. Warren and M.N.R. Ashfold, Chem. Phys. Lett. 447 257-62 (2007) PDF file

Growth of arrays of Al-doped ZnO nanocones by pulsed laser deposition,
Ye Sun, K.E. Addison and M.N.R. Ashfold, Nanotechnology 18 495601(4pp) (2007) PDF file

Growth of ZnO nanorods from the gas phase,
Ye Sun, J.L. Warren, M.N.R. Ashfold and F. Claeyssens, in ‘Nanorods, Nanotubes and Nanomaterial Research Developments’ (ed. W.V. Prescott et al.), Nova Science Publishers, Inc., N.Y. (2008), Chap. 6, pp.239-278. ISBN: 978-1-60456-122-7). PDF file

Quadrupole mass spectrometry and time-of-flight analysis of ions resulting from 532 nm pulsed laser ablation of Ni, Al and ZnO targets,
R.S. Sage, U.B. Cappel, M.N.R. Ashfold and N.R. Walker, J. Appl. Phys. 103 093301(8pp) (2008) PDF file

Hydrothermal growth of ZnO nanorods aligned parallel to the substrate surface,
Ye Sun, N.A. Fox, D.J. Riley and M.N.R. Ashfold, J. Phys. Chem. C 112 9234-9 (2008) PDF file

Ultrathin aligned ZnO nanorod arrays grown by diffusive pulsed laser deposition,
G.M. Fuge, T.M.S. Holmes and M.N.R. Ashfold, Chem. Phys. Lett. 479 125-7 (2009) PDF file

Toward a single ZnO nanowire homojunction,
Ye Sun, N.A. Fox, G.M. Fuge and M.N.R. Ashfold, J. Phys. Chem. C 114 21338-41 (2010) PDF file

Highly conductive nanoclustered carbon:nickel films grown by pulsed laser deposition,
K.D.G.I. Jayawardena, Y.Y. Tan, J. Fryar, H. Shiozawa, S.R.P. Silva, S.J. Henley, G.M. Fuge, B.S. Truscott and M.N.R. Ashfold, Carbon 49 3781-8 (2011) PDF file

Multiphoton Ionization and Laser Induced Fluorescence Spectroscopy

The Upper Vibrational States of the B 3 ΠU state of 32S2
M.E. Green and C.M. Western, J. Chem. Soc. Faraday Trans. 93, 365-372 (1997). PDF file

Ion Pair States of the ClO Radical observed by Multiphoton Ionisation Spectroscopy
M.J. Cooper, T. Diez-Rojio, L.J. Rogers, C.M. Western, M.N.R. Ashfold and J.W. Hudgens, Chem. Phys. Lett. 272, 232-238 (1997). PDF file

Multiphoton Ionisation Spectroscopy of S2
M.J. Cooper and C.M. Western, "Two Colour Chem. Phys. Lett. 267, 365-369 (1997). PDF file

The Spectroscopy of High Rydberg States of Ammonia
S.R. Langford, A.J. Orr-Ewing, R.A. Morgan, C.M. Western, M.N.R. Ashfold, A. Rijkenberg, C.R. Scheper, W.J. Buma and C.A. de Lange, J. Chem. Phys. 108, 6667-6680 (1998). PDF file

Multiphoton Ionization (MPI) and Resonantly Enhanced Multiphoton Ionization (REMPI) Spectroscopy in Nonlinear Spectroscopy for Molecular Structure Determination, (eds. R.W. Field, E. Hirota, J.P. Maier and S. Tsuchiya)
M.N.R. Ashfold, Blackwell Scientific, Oxford, (1998) 127-148.

Resonance Enhanced Multiphoton Ionisation (REMPI) and REMPI-photoelectron Spectroscopy of Ammonia
S.R Langford, A.J. Orr-Ewing, R.A. Morgan, C.M. Western, M.N.R. Ashfold, A. Rijkenberg, C.R. Scheper, W.J Buma and C.A. de Lange, Euro. Phys. J. D 4, 189-97 (1998). PDF file

The A 3 Π state of SO
J.M.F. Elks and C.M. Western. J. Chem. Phys. 110, 7699-7706 (1999).PDF file

A CASSCF/MRCI study of the low-lying Rydberg states of ClO
I.C. Lane and A.J. Orr-Ewing, Mol. Phys. 98, 793-806 (2000).PDF file

The valence and Rydberg states of FO: an ab-initio search for electronic transitions
I.C. Lane and A.J. Orr-Ewing, J. Phys. Chem. A, 104, 8759 (2000). PDF file

The C3Π, d1Π and e1Π states of SO
C.P. Archer, J.M.F. Elks and C.M. Western. J. Chem. Phys. 112, 6293-6300 (2000). PDF file

Sub-Doppler spectroscopy with a narrow linewidth pulsed OPO: hyperfine structure in the PF radical
S.H. Ashworth J.M.F. Elks and C.M. Western. Chem. Phys. Lett. 328, 197-202 (2000). PDF file

3+1 resonance enhanced multiphoton ionization spectroscopy of HBr
D. Ascenzi, S.R. Langford, M.N.R. Ashfold and A.J. Orr-Ewing, Phys. Chem. Chem. Phys. 3, 29-43 (2001). PDF file

An injection seeded narrow bandwidth pulsed optical parametric oscillator and its application to the investigation of hyperfine structure in the PF radical
J.A.J. Fitzpatrick O.V. Chekhlov J.M.F. Elks C.M. Western and S.H. Ashworth. J. Chem. Phys. 115, 6920-6930 (2001). PDF file

Predissociation dynamics in the A 3Π state of PH: An experimental and ab initio investigation
J.A.J. Fitzpatrick O.V. Chekhlov D.R. Morgan, R.W. Burrows and C.M. Western. Phys. Chem. Chem. Phys. 4, 1114-1122 (2002). PDF file

An all solid state narrow bandwidth optical parametric oscillator and its applications to the high resolution spectroscopy of free radicals
O.V. Chekhlov, J.A.J. Fitzpatrick, K.N. Rosser, C.M. Western and S.H. Ashworth. J. Mod. Opt. 49 865-876 (2002). PDF file.

Sub-Doppler spectroscopy of the PH radical: hyperfine structure in the A 3Π state.
J.A.J. Fitzpatrick, O.V. Chekhlov, C.M. Western and S.H. Ashworth. J. Chem. Phys. 118 4539-4545(2003). PDF file.

References for Related Groups Research Council Final Reports