Elastic scattering of electron vortex beams in magnetic matter

Abstract

Elastic scattering of electron vortex beams on magnetic materials leads to a weak magnetic contrast due to Zeeman interaction of orbital angular momentum of the beam with magnetic fields in the sample. The magnetic signal manifests itself as a redistribution of intensity in diffraction patterns due to a change of sign of the orbital angular moment. While in the atomic resolution regime the magnetic signal is most likely under the detection limits of present transmission electron microscopes, for electron probes with high orbital angular momenta, and correspondingly larger spatial extent, its detection is predicted to be feasible.

5 pages, 3 figures

References in corpus (8)

• Magnetic monopole field exposed by electrons
• Holographic generation of highly twisted electron beams
• Is magnetic chiral dichroism feasible with electron vortices?
• Using electron vortex beams to determine chirality of crystals in transmission electron microscopy
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• Radiative recombination of twisted electrons with bare nuclei: going beyond the Born approximation
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• Paraxial wave function and Gouy phase for a relativistic electron in a uniform magnetic field
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