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Crispin Hetherington

Position:    Research Engineer

Phone:    046 222 4295
Cell phone:    0721 602806
Room:    O42 Kemicentrum
Address:    Box 124
221 00 Lund

University:    Lund University
Division:    Centre for Analysis and Synthesis, Department of Chemistry
Research Area(s):    Materials Science
Nanoelectronics- & photonics
Interests:    TEM, atomic structures, EELS

During 2015, I have been funded in part by NanoLund as "expert staff". The role includes instructing students in the use of the JEOL 3000F transmission electron microscope, and training people in the use of Image Simulations. I give some lectures and classes on the following undergraduate and postgraduate EM courses. KOO 105 Materials Analysis at the Nanoscale KOO 065 Microscopical Characterisation of Materials PhD course High resolution electron microscopy
My research interests cover the application of electron microscopy to materials problems. In particular I feel it is important to understand the reasons behind the contrast in all images. For example why do HREM images of wurtzite commonly exhibit strong contrast from 0001 planes (spacing approx. 0.6nm) even though the 0001 structure factor has zero amplitude. One nmC-funded project concerned the measurement of band gaps in nanowires through electron energy loss spectroscopy. The measurement must be performed on electron microscopes that are equipped with a cold FEG or monochromated source and a high energy-resolution spectrometer. Since initial observations did not reveal significant results, further data analysis is underway. Research projects outside the area of nanowires include investigations into the "white layer" formed during machining of the Inconel nickel-iron based superalloy, and the structure and composition of soot.

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