New approaches to the imaging of surface potentials

Uwe Weierstall, G. G. Hembree, John Spence

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Towards the goal of recording and analysing the elastically filtered intensity of 4-50 keV electrons within the two-dimensional reflection rocking curves (convergent-beam RHEED patterns), preliminary experiments with a one-dimensional serial energy filter have been performed. Zero-loss and plasmonloss filtered linescans through the specular disc of a CB-RHEED pattern from the Si(001)-2 × 1 surface at 4 kV are shown and compared with dynamical calculations. Energy-filtered detection of CB-RHEED patterns is necessary for quantitative analysis of the surface potential.

Original languageEnglish (US)
Pages (from-to)10665-10675
Number of pages11
JournalJournal of Physics Condensed Matter
Issue number47
StatePublished - Nov 26 2001

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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