Towards a holographic approach to spherical aberration correction in scanning transmission electron microscopy

Abstract

Recent progress in phase modulation using nanofabricated electron holograms has demonstrated how the phase of an electron beam can be controlled. In this paper, we apply this concept to the correction of spherical aberration in a scanning transmission electron microscope and demonstrate an improvement in spatial resolution. Such a holographic approach to spherical aberration correction is advantageous for its simplicity and cost-effectiveness.

arXiv comment5 pages, 2 figures

References in corpus (3)

• Self accelerating electron Airy beams
• Sculpturing the Electron Wave Function
• Realization of electron vortices with large orbital angular momentum using miniature holograms fabricated by electron beam lithography

Cited by in corpus (6)

• Optical Modulation of Electron Beams in Free Space
• Electron Beam Aberration Correction Using Optical Near Fields
• Spherical aberration correction in a scanning transmission electron microscope using a sculpted foil
• Interpretable and efficient contrast in scanning transmission electron microscopy with a diffraction grating beamsplitter
• Electron round lenses with negative spherical aberration by a tightly focused cylindrically polarized light beam
• Theoretical and practical aspects of the design and production of synthetic holograms for transmission electron microscopy