Photoelectron emission from lithiated diamond

Kane M. O'Donnell*, Tomas L. Martin, Mark T. Edmonds, Anton Tadich, Lars Thomsen, Jürgen Ristein, Christopher I. Pakes, Neil A. Fox, Lothar Ley

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

30 Citations (Scopus)


This paper reviews electron emission from negative electron affinity (NEA) diamond and gives account of the recent developments in alternatives to hydrogen-termination for producing NEA diamond surfaces, particularly using lithium on oxygen-terminated diamond. We discuss the background and motivation for using alkali metals and present both experimental and computational results that cover structure, electronic properties, photoemission, and total photoyield. Secondary yield enhancement of over 200 × is demonstrated over a reference surface with positive electron affinity.

Original languageEnglish
Pages (from-to)2209-2222
Number of pages14
Journalphysica status solidi (a)
Issue number10
Publication statusPublished - 19 Aug 2014


  • Diamond
  • Electron affinity
  • Electron emission
  • Lithium
  • Negative
  • Photoemission


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