99 citations · 476 across the 11 of their papers we have counts for
4 papers · 1 filter
Symmetry-constrained electron vortex propagation
L. Clark, G. Guzzinati, A. Béché +2
Electron vortex beams hold great promise for development in transmission electron microscopy, but have yet to be widely adopted. This is partly due to the complex set of interactio…
A new way of producing electron vortex probes for STEM
J. Verbeeck H. Tian A. Béché
A spiral holographic aperture is used in the condensor plane of a scanning transmission electron microscope to produce a focussed electron vortex probe carrying a topological charg…
Quantitative measurement of orbital angular momentum in electron microscopy
L. Clark, A. Béché, G. Guzzinati +1
Electron vortex beams have been predicted to enable atomic scale magnetic information measurement, via transfer of orbital angular momentum. Research so far has focussed on develop…
Exploiting lens aberrations to create electron vortex beams
L. Clark, A. Béché, G. Guzzinati +4
A model for a new electron vortex beam production method is proposed and experimentally demonstrated. The technique calls on the controlled manipulation of the degrees of freedom o…