3D shaping of electron beams using amplitude masks

Roy Shiloh; Ady Arie

doi:10.1016/j.ultramic.2017.02.001

3D shaping of electron beams using amplitude masks

Roy Shiloh^*, Ady Arie

^*Corresponding author for this work

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Shaping the electron wavefunction in three dimensions may prove to be an indispensable tool for research involving atomic-sized particle trapping, manipulation, and synthesis. We utilize computer-generated holograms to sculpt electron wavefunctions in a standard transmission electron microscope in 3D, and demonstrate the formation of electron beams exhibiting high intensity along specific trajectories as well as shaping the beam into a 3D lattice of hot-spots. The concepts presented here are similar to those used in light optics for trapping and tweezing of particles, but at atomic scale resolutions.

Original language	English
Pages (from-to)	30-35
Number of pages	6
Journal	Ultramicroscopy
Volume	177
DOIs	https://doi.org/10.1016/j.ultramic.2017.02.001
State	Published - 1 Jun 2017

Keywords

Amplitude masks
Computer generated holograms
Electron microscopy
Particle manipulation
Synthesis
Trapping

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10.1016/j.ultramic.2017.02.001

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KW - Amplitude masks

KW - Computer generated holograms

KW - Electron microscopy

KW - Particle manipulation

KW - Synthesis

KW - Trapping

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3D shaping of electron beams using amplitude masks

Abstract

Keywords

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