Publikace na Matematicko-fyzikální fakulta |
2012
Abstrakt
Electron ionization (EI) to dimethylphenylsilane (DMPS) is studied in crossed electron-molecular beams experiment. Using this technique with improved energy resolution of the electron beam, the positive mass spectra and the relative partial cross sections for EI to DMPS are obtained.
The ionization energy of DMPS of 9.04 +/- 0.06eV and the threshold energies for dissociative ionization channels are estimated. The bond dissociation energies for single bond cleavage channels are also estimated on the basis of experimental observations.
The detection of doubly charged ions of DMPS2+ (AE=26.3 +/- 1eV) as well as several other doubly charged fragments is discussed in detail.