Mechanism of fragmentation of organic molecules during keV particle bombardment

D. W. Moon, N. Winograd

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

A simplified scheme is presented to distinguish between surface and gas-phase fragmentation of molecular ions in SIMS or FABMS experiments. The scheme is based on the measurement of the polar angle distribution of ejected parent and daughter cluster-ions and is derived from straightforward considerations of classical mechanics. Examples are given for chlorobenzene, benzene and pyridine adsorbed onto Ag(111) at 153 K.

Original languageEnglish (US)
Pages (from-to)217-221
Number of pages5
JournalInternational Journal of Mass Spectrometry and Ion Physics
Volume52
Issue number2-3
DOIs
StatePublished - Sep 1 1983

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