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An (e, 2e + ion) investigation of dissociative ionization of methane
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10.1063/1.4798931
/content/aip/journal/jcp/138/13/10.1063/1.4798931
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/13/10.1063/1.4798931
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The TOF spectrum of the fragmented ions for the dissociative ionization of CH by 54 eV electrons. The arrows denote the TOF for different ions with zero kinetic energy. The shaded areas represent the TOF condition windows for selection of CH +, CH +, H + background and H + ions from right to left, respectively, as discussed in the rest part of the paper.

Image of FIG. 2.
FIG. 2.

The energy deposition distributions of CH + and CH +. The black (red) solid line is the Gaussian fit for the main peak of CH + (CH +). The data have been normalized to unity at the maximum.

Image of FIG. 3.
FIG. 3.

(a) The KEDs of CH + and CH +, and (b) the KER for the formation of CH +.

Image of FIG. 4.
FIG. 4.

(a) Energy deposition distribution of CH +. The solid green triangles are the experimental result. The black dashed lines are the fitted Gaussian peaks and the red solid line is the sum of the fits. The center of each fitted peak is indicated by black vertical lines. (b) Two-dimensional plot for the ion yields as a function of the energy deposition (horizontal axis) and the TOF of the ion (vertical axis). The blue horizontal lines denote the TOF for different ions with zero kinetic energy.

Image of FIG. 5.
FIG. 5.

Energy deposition distribution of H +. The red solid circles are the experimental result, while the black solid line is the Gaussian fit.

Image of FIG. 6.
FIG. 6.

The energy deposition distributions of different ions.

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/content/aip/journal/jcp/138/13/10.1063/1.4798931
2013-04-04
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: An (e, 2e + ion) investigation of dissociative ionization of methane
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/13/10.1063/1.4798931
10.1063/1.4798931
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