Negative ion formation in small carbon clusters
Conference
·
OSTI ID:10163267
Laser ablation of graphite into a rare gas supersonic jet has been used to generate C{sub m} clusters (both neutral and ionic) in the size range m {le} 30. Negative ions produced by three different mechanisms have been studied: (1) ion formation during the ablation process, (2) low energy electron attachment (Rydberg electron transfer) to neutral clusters, and (3) charge transfer from ground state rubidium atoms to neutral clusters. The C{sub m}{sup {minus}} distributions observed for the three cases are distinctly different, providing insights into the structures, stabilities, and electron attachment dynamics of small carbon clusters.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 10163267
- Report Number(s):
- CONF-9304144--3; ON: DE93015436
- Country of Publication:
- United States
- Language:
- English
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