Nature Communications (Mar 2018)

A high-brightness large-diameter graphene coated point cathode field emission electron source

  • Xiuyuan Shao,
  • Avinash Srinivasan,
  • Wei Kean Ang,
  • Anjam Khursheed

DOI
https://doi.org/10.1038/s41467-018-03721-y
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 8

Abstract

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Traditional cold field emission electron sources rely on single crystal tungsten sharpened wires. Here, the authors use graphene-coated nickel point cathodes to devise alternative cold field emission electron sources for electron microscopy and lithography applications.