Details of Grant 

EPSRC Reference:	EP/H006060/1
Title:	Determination of Surface and Interface Processes in Materials Science
Principal Investigator:	McPhail, Dr DS
Other Investigators:	Lee, Professor W Shollock, Professor B Jones, Professor JR Curson, Professor NJ Kilner, Professor JA Skinner, Professor SJ Heutz, Professor S
Researcher Co-Investigators:
Project Partners:
Department:	Materials
Organisation:	Imperial College London
Scheme:	Standard Research
Starts:	01 August 2009	Ends:	31 July 2013	Value (£):	2,320,824
EPSRC Research Topic Classifications:	Materials Characterisation Solar Technology Surfaces & Interfaces
EPSRC Industrial Sector Classifications:	Environment Healthcare Energy
Related Grants:
Panel History:	Panel Date Panel Name Outcome 01 Jul 2009 Physical Sciences Panel - Materials Announced
Summary on Grant Application Form
Society is currently facing many important scientific challenges including developments in the areas of healthcare for an aging population, climate change and sustainable development. In this proposal it is our intention to use a state-of-the-art surface sensitive mass spectrometer to investigate the interaction of a wide range of materials with their environment, and analyse how these interactions affect the performance of the component in operation. Thematic areas that we will address include Materials for Energy, Healthcare, Nanomaterials, and Transport. The surface is a vital part of a material and often determines whether the material is 'fit for purpose'. By applying an instrument that can probe materials surfaces with unparalleled precision we will be able to better understand and optimize the materials we are developing. To achieve this we are combining two techniques in a unique configuration to unravel questions surrounding the physics and chemistry of surfaces. One technique, low energy ion scattering, will enable us to examine the outermost surface layer of atoms. The other, Time-of-Flight Secondary Ion Mass Spectrometry, will allow us to characterise the very near surface. Together they will give us a detailed picture of the surface and how it is changing with time. Imperial College and University College London have a dynamic nanotechnology centre that is working to develop the next generations of electronic and optoelectronic devices to underpin the information technology revolution, and for example, find a replacement for the silicon transistor. But nanotechnology also involves materials developments in medicine and energy, for example in photovoltaics and is highly interdisciplinary. Understanding surfaces and interfaces is vital in these fast-moving areas. In terms of the science this instrument will enable, energy is one of the sectors of greatest significance. Concerns over the effects of carbon dioxide emissions and the security of supply of existing fossil fuel reserves lead to the search for alternative and renewable energy technologies. There are, of course, many alternatives and here we will study materials being used to produce fuel cells and photovoltaics, seeking devices that work at lower temperatures and/or with higher efficiency. For fuel cell technology the understanding of surfaces and interfaces holds the key to enhancing performance and promises far superior devices. In both fuel cells and photovoltaics advances in nanotechnology are associated with these developments and as nanomaterials advance, the characterisation of these materials also has to advance. A combined LEIS-SIMS instrument will provide the enhanced characterisation required to fully exploit these technological advances. Our work on healthcare represents a second critical technology area and will focus on developing sensors for the early detection of disease, vascular grafts and heart patches to repair damaged tissue and scaffold for bone tissue engineering. In this work the ability to understand the highly complex chemistry at the interface between the biomaterial and its environment using mass spectrometry will yield vital information. We will also study materials for the containment of nuclear waste where we will measure, with great precision, the stability of glasses and ceramics being proposed for the containment of radioactive waste materials. Since we will be able to measure very small changes (less than one nanometre) we will be able to measure corrosion rates of a fraction of a millimetre per millennium. In conclusion, the work detailed in this application brings together a broad spectrum of materials scientists and engineers, representing each of the areas outlined, with specialists in surface science in a truly collaborative research application that will provide a paradigm shift in surface analysis. This instrument will give the UK a world-leading surface analysis facility.
Key Findings
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Potential use in non-academic contexts
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Organisation Website:	http://www.imperial.ac.uk