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Yusuf Hamied Department of Chemistry

Portrait of sjj24

Professor of Physical & Computational Surface Chemistry

Our research is focussed upon the application of first-principles theory and ultra-high-vacuum single-crystal experiments to problems in surface chemistry and catalysis. We make use of fibre-optic low-energy electron diffraction (FO-LEED) to obtain structural information, reflection absorption infra-red spectroscopy (RAIRS) to obtain vibrational information, single-crystal adsorption calorimetry (SCAC) to obtain energetic information, supersonic molecular beams (SMB) to obtain kinetic information, and low- temperature scanning tunnelling microscopy (LT-STM) to obtain morphological, topographic and electronic information about surfaces and the molecules that adsorb, diffuse and react upon them. Density functional theory (DFT) provides a framework within which to calculate comparable data, which aids in the interpretation of our experimental work.

Our work is concentrated within four main research themes:

  • complex interadsorbate interactions; 
  • nanoscale surface phenomena; 
  • chiral surface systems;
  • and tuning reactivity and catalysis.

Individual research projects are chosen to reflect these themes, lending coherence to a diverse range of topical studies. Thus, by way of example, our work on the adsorption of alanine on Cu{531} addresses issues relating to the formation of complex hydrogen-bonded adsorbate networks, whilst also shedding light on the interaction of chiral molecules with an intrinsically chiral metal surface; moreover, certain adsorbates can cause this unstable surface to break up into nanoscale facets, whose catalytic properties will differ markedly from those of the notionally ideal surface. Tackling these interlinked aspects of surface science requires a flexible approach, making use of multiple experimental techniques complemented by a rigorously benchmarked theoretical methodology.

Professor Jenkins discusses his research


Increased thermal stability of activated N
SJ Jenkins, T Liu, I Temprano
– Physical Chemistry Chemical Physics
Energy landscapes and dynamics of glycine on Cu(110).
M Sacchi, DJ Wales, SJ Jenkins
– Physical Chemistry Chemical Physics
Adsorption of atmospheric gases on cementite 010 surfaces
D Muñoz Ramo, SJ Jenkins
– Journal of Chemical Physics
Activity of iron pyrite towards low-temperature ammonia production
I Temprano, T Liu, SJ Jenkins
– Catalysis Today
Dipole-Moment Reversal in a Polar Organic Monolayer Probed by Sum and Difference Frequency Spectroscopy
N García Rey, M Sacchi, SJ Jenkins, H Arnolds
– Journal of Physical Chemistry C
Mass Transport in Surface Diffusion of van der Waals Bonded Systems: Boosted by Rotations?
H Hedgeland, M Sacchi, P Singh, AJ McIntosh, AP Jardine, G Alexandrowicz, DJ Ward, SJ Jenkins, W Allison, J Ellis
– J Phys Chem Lett
Ir-induced activation of Au towards CO adsorption: Ir films deposited on Au(111)
T Zhang, SM Driver, SJ Pratt, SJ Jenkins, DA King
– Surface Science
Repulsion-Induced Surface-Migration by Ballistics and Bounce
SY Guo, SJ Jenkins, W Ji, Z Ning, JC Polanyi, M Sacchi, C-G Wang
– The Journal of Physical Chemistry Letters
Proline-Derived Structural Phases on Cu{311}
DC Madden, I Temprano, SJ Jenkins, SM Driver
– Topics in Catalysis
Spontaneous local symmetry breaking: A conformational study of glycine on Cu{311}
DC Madden, I Temprano, M Sacchi, SJ Jenkins
– Journal of Physical Chemistry C
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01223 336502

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