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Portrait of Dr Christine Lamont Dr Christine Lamont

c.lamont@hud.ac.uk | 01484 472612



Biography

I completed my BSc (Hons) in Chemistry at the University of Bath. This included a sandwich placement year working in medical research at Northwick Park Hospital in Harrow. During my final year I became interested in Surface Science and decided to do a PhD at Southampton University with Prof. Brian Hayden. This involved using supersonic molecular beams to study the sticking probability of molecules on well defined single crystal surfaces. We were the first to demonstrate the importance of vibrational energy, as well as translational energy, in the dissociation of hydrogen on copper (Phys. Rev. Lett. 63 (1989) 1823). I then spent three years in Berlin as a Postdoctoral Research Fellow at the Fritz-Haber-Institut der Max-Planck-Gesellschaft with Prof. Alex Bradshaw and Dr. Horst Conrad. I studied thermal and photochemical reactions on surfaces using different types of vibrational spectroscopy. Since taking up a lectureship in Physical Chemistry at the University of Huddersfield I have continued to carry out research in different areas of Surface Science, including thin organic films, UV photochemistry, and structural analysis using photoelectron diffraction. The latter is in collaboration with groups at Warwick University and the Fritz-Haber-Institut. More recently I have become interested in food science, particularly how different food preparation techniques affect the mineral composition of root vegetables.

As well as research, I currently teach Physical Chemistry at all levels and am interested in developing new teaching methods. . I spent five years as course leader for MChem Chemistry with Industrial Experience, BSc (Hons) Chemistry, MSci/BSc (Hons) in Forensic & Analytical Science and MSci/BSc (Hons) in Pharmaceutical Science.

Research & Scholarship

For many years my general area of interest has been Surface Science - i.e. the study of the interactions of small molecules with well-defined single crystal surfaces. Many industrial processes, including heterogeneous catalysis, lithography and surface processing rely on adsorption and reaction at surfaces. Surface Science encompasses studies on the dynamics of the adsorption process (i.e. the adsorption probability, the activation barrier for adsorption); the chemical nature and the geometry of the adsorbed species as well as thermally and photochemically induced reactions at surfaces. I have used a variety of techniques to study these phenomena, including molecular beams, vibrational spectroscopies (high resolution electron energy loss spectroscopy (HREELS) and low frequency infrared vibrational spectroscopy (FTIR)) and photoionisation spectroscopies (X-ray photoelectron spectroscopy (XPS) and near edge X-ray absorption fine structure spectroscopy (NEXAFS)).

I I have been involved in a collaboration with the University of Warwick and the Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin using photoelectron diffraction (PhD) for the accurate determination of adsorption sites. With this technique the adsorption site, the molecular orientation, local reconstructions of the surface and bond lengths can all be determined with a relatively high degree of precision.

During the last couple of years I have started working in a new research area, namely the leaching of potassium from vegetables. The project is aimed at developing food preparation techniques which will reduce the potassium content of certain vegetables down to a level where they can be safely consumed by people with poor kidney function.

Esteem Indicators

Collaboration:

  • With Fritz-Haber Inst der Max Planck Gesellschaft, Berlin, and Beamtime Allocation (2001-). Journals:

Journals

  • Co-Authored Series of Articles in High Impact Factor Journals, including Three in Phys. Rev. Lett. since 2001.

Publications and Other Research Outputs

2012

Duncan, D., Unterberger, W., Jackson, D., Knight, M., Kröger, E., Hogan, K., Lamont, C., Lerotholi, T. and Woodruff, D. (2012) ‘Quantitative local structure determination of R,R-tartaric acid on Cu(110): Monotartrate and bitartrate phasesSurface Science , 606 (17), pp. 1435-1442. ISSN 0039-6028

2010

Duncan, D., Unterberger, W., Hogan, K., Lerotholi, T., Lamont, C. and Woodruff, D. (2010) ‘A photoelectron diffraction investigation of vanadyl phthalocyanine on Au(111)Surface Science , 604 (1), pp. 47-53. ISSN 0039-6028

2009

Lerotholi, T., Kröger, E., Knight, M., Unterberger, W., Hogan, K., Jackson, D., Lamont, C. and Woodruff, D. (2009) ‘Adsorption structure of glycine on TiO2(110): A photoelectron diffraction determinationSurface Science , 603 (15), pp. 2305-2311. ISSN 00396028

2008

Knight, M., Allegretti, F., Kröger, E., Polcik, M., Lamont, C. and Woodruff, D. (2008) ‘A structural study of a C3H3 species coadsorbed with CO on Pd(111)Surface Science , 602 (16), pp. 2743-2751. ISSN 00396028

Nisbet, G., Lamont, C., Polcik, M., Terborg, R., Sayago, D., Kittel, M., Hoeft, J., Toomes, R. and Woodruff, D. (2008) ‘The local adsorption structure of benzene on Si(001)-(2 × 1): a photoelectron diffraction investigationJournal of Physics Condensed Matter , 20 (30), pp. 1-11. ISSN 09538984

Knight, M., Allegretti, F., Kröger, E., Polcik, M., Lamont, C. and Woodruff, D. (2008) ‘The adsorption structure of furan on Pd(111)Surface Science , 602 (14), pp. 2524-2531. ISSN 00396028

Kröger, E., Sayago, D., Allegretti, F., Knight, M., Polcik, M., Unterberger, W., Lerotholi, T., Hogan, K., Lamont, C., Cavalleri, M., Hermann, K. and Woodruff, D. (2008) ‘The local structure of OH species on the V2O3(0001) surface: A scanned-energy mode photoelectron diffraction studySurface Science , 602 (6), pp. 1267-1279. ISSN 00396028

2007

Kröger, E., Savago, D., Allegretti, F., Knight, M., Polcik, M., Unterberger, W., Lerotholi, T., Hogan, K., Lamont, C. and Woodruff, D. (2007) ‘Photoelectron diffraction investigation of the structure of the clean TiO_{2}(110)(1×1) surfacePhysical Review B , 75 (19), p. 195413. ISSN 10980121

Kröger, E., Sayago, D., Allegretti, F., Knight, M., Polcik, M., Unterberger, W., Lerotholi, T., Hogan, K., Lamont, C. and Woodruff, D. (2007) ‘The structure of the V2O3(0001) surface: A scanned-energy mode photoelectron diffraction studySurface Science , 601 (16), pp. 3350-3360. ISSN 00396028

2006

Nisbet, G., Lamont, C., Polcik, M., Terborg, R., Sayago, D., Hoeft, J., Kittel, M., Toomes, R. and Woodruff, D. (2006) ‘Structural analysis of Pt(1 1 1)c(?3 × 5)rect.–CO using photoelectron diffractionSurface science , 601 (5), pp. 1296-1303. ISSN 0039-6028

2005

Sayago, D., Polcik, M., Nisbet, G., Lamont, C. and Woodruff, D. (2005) ‘Local structure determination of a chiral adsorbate: Alanine on Cu(110)Surface Science , 590 (1), pp. 76-87. ISSN 0039-6028

2004

Polcik, M., Allegretti, D., Savago, D., Nisbet, G., Lamont, C. and Woodruff, D. (2004) ‘Circular Dichroism in Core Level Photoemission from an Adsorbed Chiral MoleculePhysical Review Letters , 92 (23), p. 236103. ISSN 00319007

2003

Sayago, D., Kittel, M., Hoeft, J., Polcik, M., Pascal, M., Lamont, C., Toomes, R., Robinson, J. and Woodruff, D. (2003) ‘The structure of the Ni(100)c(2×2)–N2 surface: a chemical-state-specific scanned-energy mode photoelectron diffraction determinationSurface Science , 538 (1-2), pp. 59-75. ISSN 00396028

Sayago, D., Hoeft, J., Polcik, M., Kittel, M., Toomes, R., Robinson, J., Woodruff, D., Pascal, M., Lamont, C. and Nisbet, G. (2003) ‘Bond Lengths and Bond Strengths in Weak and Strong Chemisorption: N_{2}, CO, and CO/H on Nickel SurfacesPhysical Review Letters , 90 (11), pp. 116104-116108. ISSN 00319007

Hoeft, J., Polcik, M., Sayago, D., Kittel, M., Terborg, R., Toomes, R., Robinson, J., Woodruff, D., Pascal, M., Nisbet, G. and Lamont, C. (2003) ‘Local adsorption sites and bondlength changes in Ni(1 0 0)/H/CO and Ni(1 0 0)/COSurface Science , 540 (2-3), pp. 441-456. ISSN 00396028

2002

Toomes, R., Polcik, M., Kittel, M., Hoeft, J., Sayago, D., Pascal, M., Lamont, C., Robinson, J. and Woodruff, D. (2002) ‘Structure determination of methanethiolate on unreconstructed Cu(1 1 1) by scanned-energy mode photoelectron diffractionSurface Science , 513 (3), pp. 437-452. ISSN 0039-6028

Pascal, M., Lamont, C., Kittel, M., Hoeft, J., Constant, L., Polcik, M., Bradshaw, A., Toomes, R. and Woodruff, D. (2002) ‘Methyl on Cu(111)-structural determination including influence of co-adsorbed iodineSurface Science , 512, pp. 173-184. ISSN 0039-6028

Pascal, M., Lamont, C., Kittel, M., Hoeft, J., Constant, L., Polcik, M., Bradshaw, A., Toomes, R. and Woodruff, D. (2002) ‘Methyl on Cu(111)––structural determination including influence of co-adsorbed iodineSurface Science , 512 (3), pp. 173-184. ISSN 0039-6028

Kittel, M., Hoeft, J., Bao, S., Polcik, M., Toomes, R., Kang, J., Woodruff, D., Pascal, M. and Lamont, C. (2002) ‘The local adsorption geometry of CO and NH3 on NiO(1 0 0) determined by scanned-energy mode photoelectron diffractionSurface Science , 499 (1), pp. 1-14. ISSN 0039-6028

2001

Pascal, M., Lamont, C., Kittel, M., Hoeft, J., Terborg, R., Polcik, M., Kang, J., Toomes, R. and Woodruff, D. (2001) ‘Quantitative structural determination of the high coverage phase of the benzoate species on Cu(110)Surface Science , 492, pp. 285-293. ISSN 0039-6028

Hoeft, J., Kittel, M., Polcik, M., Bao, S., Toomes, R., Kang, J., Woodruff, D., Pascal, M. and Lamont, C. (2001) ‘Molecular Adsorption Bond Lengths at Metal Oxide Surfaces: Failure of Current Theoretical MethodsPhysical Review Letters , 87 (8), pp. 086101-086104. ISSN 00319007

Kittel, M., Polcik, M., Terborg, R., Hoeft, J., Baumgartel, P., Bradshaw, A., Toomes, R., Kang, J., Woodruff, D., Pascal, M., Lamont, C. and Rotenberg, E. (2001) ‘The structure of oxygen on Cu(100) at low and high coveragesSurface Science , 470 (3), p. 311. ISSN 00396028

2000

Pascal, M., Lamont, C., Baumgartel, P., Terborg, R., Hoeft, J., Schaff, O., Polcik, M., Bradshaw, A., Toomes, R. and Woodruff, D. (2000) ‘Photoelectron diffraction study of the Ag(110)-(2×1)-O reconstructionSurface Science , 464 (2-3), pp. 83-90. ISSN 0039-6028

Research Degree Supervision

Structural studies of small adsorbates on single crystal surfaces using Photoelectron Diffraction

Photoelectron diffraction is a surface science experimental technique which enables precise structural information to be determined for molecules adsorbed on surfaces. The experiments are performed at the BESSY II synchrotron radiation facility in Berlin and the data is analysed using computer simulation programs in Huddersfield. This is part of an ongoing collaboration with the Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin and the University of Warwick. Over the years we have investigated a range of phenomena. This includes precise structural parameters for simple adsorbates on metal single crystal surfaces. Such information is important for theoretical physicists and chemists who model processes at surfaces. We have also investigated the process of thin oxide film growth, the production of chiral surfaces as well as looking at more complicated adsorbates.

Diffusion of potassium in vegetables

Potassium is an important nutrient which is present in many vegetables. If the level becomes too high in the body, however, this can lead to heart problems. People with renal failure do not remove potassium efficiently from the body and therefore are on a diet with a restricted intake of certain vegetables, in particular potatoes. It is recommended that potatoes are peeled, cut up and soaked in water for at least two hours prior to cooking. The guidance is somewhat vague. The aim of this project is to carry out a systematic study of the diffusion of potassium out of potatoes with a view to determining kinetic parameters so that a more precise and more efficient method of pre-treating potatoes can be developed. Experimental results will be combined with computer simulations. As part of this project, other nutrients within the potato will also be investigated.

Last updated Thursday 6 March 2014
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