Physics

Magnetic electron collimation in three-dimensional semi-metals

X. Huang, C. Putzke, et al.

This groundbreaking research by Xiangwei Huang and colleagues illustrates the capability to control tightly focused electron beams in micro-devices made from Cd3As2 crystals. By manipulating magnetic fields, they achieve precise control over electron jet propagation, revealing unique properties of 3D semi-metals.

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Playback language: English

Index

Abstract

This paper demonstrates controlled generation of tightly focused electron beams in micro-devices machined from Cd3As2 crystals. Current beams are guided by tilting a magnetic field, and their range is tuned by field strength. Finite element simulations support the picture of controlled electron jets, showcasing direct control over non-local signal propagation unique to 3D semi-metals.

Publisher

npj Quantum Materials

Published On

Feb 18, 2020

Authors

Xiangwei Huang, Carsten Putzke, Chunyu Guo, Jonas Diaz, Markus König, Horst Borrmann, Nityan L. Nair, James G. Analytis, Philip J. W. Moll

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