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DTSTART:19701025T020000
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DTSTAMP:20261112T121329Z
DTSTART;TZID=Europe/London:20230612T140000
DTEND;TZID=Europe/London:20230613T150000
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SUMMARY:School of Chemistry Colloquium:  Prof. David McComb (Ohio State University)
DESCRIPTION:School of Chemistry Colloquium.  This event is open to final year undergraduate students, MSc students, PhD students, Post-Doctoral Research Fellows and staff.    The drive to characterize chemistry, structure and bonding with high spatial resolution has driven the exciting developments in electron energy-loss spectroscopy (EELS) in the scanning transmission electron microscope (STEM) over the last two decades.  This has been achieved with the development of high-performance electron monochromators, improved spectrometer electron optics and introduction of new detectors with a high detector quantum efficiency (DQE). [1] For example, using a STEM equipped with a thermally assisted field emission source enables EELS to be performed with an energy resolution (E) in the range 0.5-0.8eV as measured by the full width half maximum (FWHM) of the zero-loss peak in the spectrum.  Introduction of a commercially available monochromated instrument at the turn of the century enabled E https://events.st-andrews.ac.uk/events/school-of-chemistry-colloquium-prof-david-mccomb-ohio-state-university/
LOCATION:Purdie Building
URL:https://events.st-andrews.ac.uk/events/school-of-chemistry-colloquium-prof-david-mccomb-ohio-state-university/
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