Stability of fragmentation of carbon clusters

Metastable evaporation of carbon cluster ions produced from excimer laser ablation of polyimide has been investigated in a reflection time-of-flight (TOF) mass spectrometer. Rate constants for the decay process are extracted from the parent and fragment peak intensities. The rate constants increase...

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Bibliographic Details
Published in:Chemical physics letters 1990-12, Vol.175 (5), p.505-510
Main Authors: Campbell, E.E.B., Ulmer, G., Busmann, H.-G., Hertel, I.V.
Format: Article
Language:English
Subjects:
Atomic and molecular clusters
Atomic and molecular physics
Exact sciences and technology
Physics
Studies of special atoms, molecules and their ions
clusters
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Summary:Metastable evaporation of carbon cluster ions produced from excimer laser ablation of polyimide has been investigated in a reflection time-of-flight (TOF) mass spectrometer. Rate constants for the decay process are extracted from the parent and fragment peak intensities. The rate constants increase with decreasing delay between laser pulse and TOF extraction field for a given laser fluence and decrease with increasing laser fluence for a given delay.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(90)85572-T