TY - JOUR
T1 - Measured and calculated absolute total cross-sections for the single ionization of CFx and NFx by electron impact
AU - Deutsch, H.
AU - Märk, T. D.
AU - Tarnovsky, V.
AU - Becker, K.
AU - Cornelissen, C.
AU - Cespiva, L.
AU - Bonacic-Koutecky, V.
N1 - Funding Information:
madet o the donors of the PetroleumR esearch Fund, administeredb y theA mericanC hemical Society, in partial support of this research (New York). Two of us (VT, KB) would like to thank Dr. R.S. Freund, Mr. R.C. Wetzel and ProfessorR .A. Bonham for many helpful and stimulatingd iscussions.
Funding Information:
This work was supportedb y the osterrei-chischer Fonds zur Fiirderung der Wissen-schaftlichenF orschung (Innsbruck), by the Bundesministerium fiir Wissenschaft und Forschung, Wien (Innsbruck), by the Deutsche Forschungsgemeinschaft,D FG, through SonderforschungsbereicShF B 337 (Berlin), by the U.S. National ScienceF oun-dation, NSF, through grant Nos. CTS-8902405a nd CTS-9017211( New York), by the City University of New York through a PSC-CUNY granta ndt hroughp artial support from a NATO CollaborativeR esearchG rant (CRG-920089). Acknowledgement is also
PY - 1994/10/6
Y1 - 1994/10/6
N2 - Various additivity rules and the Deutsch-Märk (DM) formalism have been used to calculate total absolute electron-impact cross-sections for single ionization of the CFx (x = 1-3) free radicals, the NFx (x = 1,2) free radicals and the NF3 molecule. A comparison is made with experimentally determined total single ionization cross-sections which have been obtained from recently measured absolute partial ionization cross-sections for the parent and dissociative ionization of these species. The overall best agreement between the measured and the calculated cross-sections in terms of the absolute values, the shapes and the cross-section ordering was obtained using a recently proposed "new" additivity rule. Common trends and tendencies in the ionization cross-sections within each class of targets, CFx and NFx, and between the two target families CFx and NFx are highlighted and a comparison will be made with the previously measured and calculated ionization cross-sections for the SiFx (x = 1-3) free radicals.
AB - Various additivity rules and the Deutsch-Märk (DM) formalism have been used to calculate total absolute electron-impact cross-sections for single ionization of the CFx (x = 1-3) free radicals, the NFx (x = 1,2) free radicals and the NF3 molecule. A comparison is made with experimentally determined total single ionization cross-sections which have been obtained from recently measured absolute partial ionization cross-sections for the parent and dissociative ionization of these species. The overall best agreement between the measured and the calculated cross-sections in terms of the absolute values, the shapes and the cross-section ordering was obtained using a recently proposed "new" additivity rule. Common trends and tendencies in the ionization cross-sections within each class of targets, CFx and NFx, and between the two target families CFx and NFx are highlighted and a comparison will be made with the previously measured and calculated ionization cross-sections for the SiFx (x = 1-3) free radicals.
KW - Cross-sections
KW - Electron impact ionization
KW - Free radicals
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U2 - 10.1016/0168-1176(94)04053-2
DO - 10.1016/0168-1176(94)04053-2
M3 - Article
AN - SCOPUS:0002434684
VL - 137
SP - 77
EP - 91
JO - International Journal of Mass Spectrometry and Ion Processes
JF - International Journal of Mass Spectrometry and Ion Processes
SN - 1387-3806
IS - C
ER -