A high-efficiency electron momentum spectrometer for direct imaging of orbital electron density

  • Xue Guang Ren
  • , Chuan Gang Ning
  • , Jing Kang Deng
  • , Shu Feng Zhang
  • , Guo Lin Su
  • , Bin Li
  • , Xue Jun Chen

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Direct three-dimensional images for orbital electron density are obtained by using our newly developed electron momentum spectrometer with simultaneous detection in energy and momentum, and the instruments resolutions of Δθ = ±0.7 degrees, Δφ = ±1.9 degrees, ΔE = 1.2 eV, and ΔT = 2.0 ns. The detection efficiency is about 100 times higher than conventional spectrometers. The design and performance of the apparatus are reported together with the experimental results on argon to show the extensive improvements in experimental resolutions, detection efficiency and versatility.

Original languageEnglish
Pages (from-to)1382-1385
Number of pages4
JournalChinese Physics Letters
Volume22
Issue number6
DOIs
StatePublished - 1 Jun 2005

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