Coulomb explosion of ions produced by electron impact ionization of toluene

Autor:	S. Matt-Leubner, Tilmann D. Märk, Paul Scheier, T. Tepnual, K. Gluch, V. G. Hasan, Olof Echt, S. Feil, Verena Grill
Rok vydání:	2005
Předmět:	Chemical ionization Chemistry Metastability Analytical chemistry Coulomb explosion Condensed Matter Physics Kinetic energy Mass spectrometry Instrumentation Dissociation (chemistry) Electron ionization Surfaces Coatings and Films Ion
Zdroj:	Vacuum. 78:187-191
ISSN:	0042-207X
DOI:	10.1016/j.vacuum.2005.01.024
Popis:	Doubly charged C 7 H 7 2 + ions produced by electron impact ionization of toluene (C7H8) show metastable unimolecular dissociation into two singly charged fragments. A high-resolution double focusing mass spectrometer (reversed Nier–Johnson type BE geometry) was used to monitor these decomposition reactions. We have identified four competing charge separation channels. The mass-analyzed ion kinetic energy (MIKE) technique was used to determine mean values of the kinetic energy release (KER). We obtained values of the average KER for the charge separation reactions of C 7 H 7 2 + ranging from 2.5 to 3.5 eV.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b074de5a770579bef2984281e300d9fd https://doi.org/10.1016/j.vacuum.2005.01.024 Zobrazit plný text záznamu Full Text from ScienceDirect