A 6 m toroidal-grating-monochromator beam line for high momentum-resolution photoelectron spectroscopy

P. Thiry, P. A. Bennett, S. D. Kevan, W. A. Royer, E. E. Chaban, J. E. Rowe, N. V. Smith

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

We describe the design and performance of a beam line installed recently at Brookhaven intended primarily for high resolution photoemission studies on solid surfaces int he photon energy range 8-250 eV. The monochromator is a 6 m/160° toroidal grating instrument having three gratings 288, 822 and 2400 g/mm designed for a resolution as good as 0.2 eV over almost its entire range and considerably better than this at low energies. The photoelectron spectrometer is based on a hemispherical analyzer with a specially designed zoom lens, multianode detection, two rotational degrees of freedom and is capable of an ultimate resolution of 20 meV in energy and {precedes above single-line equals sign}0.01 A ̊-1 in momentum.

Original languageEnglish (US)
Pages (from-to)85-90
Number of pages6
JournalNuclear Instruments and Methods In Physics Research
Volume222
Issue number1-2
DOIs
StatePublished - May 15 1984
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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