Electron Photodetachment Cross Sections of Small Carbon Clusters: Evidence for Nonlinear Isomers

Absolute cross sections for photodetachment of negative carbon clusters are reported for C$_n^-$ (n = 3,..., 8). The results indicate that various neutral isomers exist, some with electron affinities as low as 1 electron volt. The method of production plays an important role in the characteristics o...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1992-11, Vol.258 (5085), p.1129-1131
Main Authors: Zajfman, D., Feldman, H., Heber, O., Kella, D., Majer, D., Vager, Z., Naaman, R.
Format: Article
Language:English
Subjects:
Anions
Atomic and molecular physics
Carbon
Electron affinity
Electrons
Exact sciences and technology
Ion sources
Isomers
Laser beams
Lasers
Molecular properties and interactions with photons
Molecules
Nuclear research
Photodetachment
Photon interactions with molecules
Photons
Physics
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Summary:Absolute cross sections for photodetachment of negative carbon clusters are reported for C$_n^-$ (n = 3,..., 8). The results indicate that various neutral isomers exist, some with electron affinities as low as 1 electron volt. The method of production plays an important role in the characteristics of carbon clusters.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.258.5085.1129