Performance characteristics of a chemical imaging time-of-flight mass spectrometer

Robert M. Braun, Paul Blenkinsopp, Steve J. Mullock, Clive Corlett, Kenneth F. Willey, John C. Vickerman, Nicholas Winograd

Research output: Contribution to journalArticlepeer-review

172 Scopus citations

Abstract

A chemical imaging time-of-flight secondary ion mass spectrometer is described. It consists of a liquid metal ion gun, medium energy resolution reflectron mass analyzer, liquid nitrogen cooled sample stage, preparation chamber and dual stage entry port. Unique features include compatibility with laser postionization experiments, large field of view, cryogenic sample handling capability and high incident ion beam current. Instrument performance is illustrated by the characterization of scanning electron microscopy grids, silver and functionalized polystyrene beads and the postionization of an organic overlayer on a gold substrate.

Original languageEnglish (US)
Pages (from-to)1246-1252
Number of pages7
JournalRapid Communications in Mass Spectrometry
Volume12
Issue number18
DOIs
StatePublished - Sep 24 1998

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry

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