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SUMMARY:Electron diffractive imaging of extended objects - Dr Christian Dw
 yer\, Department of Materials\, University of Oxford
DTSTART:20070515T140000Z
DTEND:20070515T150000Z
UID:TALK7404@talks.cam.ac.uk
CONTACT:Nathan Church
DESCRIPTION:The generally higher spatial frequency information contained i
 n electron diffraction patterns implies that so-called diffractive imaging
  (diffraction-based phase retrieval) has the potential to offer structural
  information at higher resolution than axial phase contrast imaging. Despi
 te this\, to date there are exceedingly few articles reporting electron di
 ffractive imaging experiments\, and these have been restricted to localize
 d objects\, e.g. nanotubes and nanoparticles. In this talk I will discuss 
 some of the limitations and difficulties associated with this seemingly si
 mple method of imaging\, and our current efforts to overcome them in order
  to make the method amenable to extended objects.
LOCATION:T001 [Tower Seminar Room]\, Materials Science and Metallurgy\, De
 partment of
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