My degrees are from Cambridge (Natural Science, 1976) and Harvard (Biophysics, 1981). I worked for 11 years at Bell Labs in its heyday and then started teaching as Professor of Physics at the University of Illinois (Urbana, USA) in 1992. I came to UCL in 2006.
My specialisation is X-ray diffraction using synchrotron radiation. During the Bell Labs years, I developed the methods for studying surface structure using X-ray diffraction. These methods, based on crystal truncation rods, have become the definitive technique for the determination of the atomic positions at surfaces and interfaces. These surface methods are still used today at the major SR facilities, NSLS (Brookhaven), ESRF (Grenoble), APS(Chicago) and SRS (Daresbury). More recently I have been developing method of using the very high coherence of the latest SR sources to enable direct 3D imaging of structure. This is potentially useful for examining strain distributions inside complex materials.
The coherent X-ray diffraction methods will develop and expand further with the inauguration of the new Diamond Light Source (DLS) presently being built at Rutherford Lab near Oxford. My research at UCL is largely focused on this development, although we continue to do experiments at ESRF and APS during the buildup period.
A list of PhD projects is available for donwload
Presently teaching 3C25 Solid State Physics