EVIDENCE OF SMALL ODD-NUMBERED DIANIONIC CARBON CLUSTER BEAMS FROM A CESIUM-SPUTTER NEGATIVE ION SOURCE

摘要

Evidence of odd-numbered C-n(2-) (n=7-13) cluster beams produced in a cesium-sputter negative ion source has been observed. The minimum lifetime of smallest dianion, C-7(2-), is estimated to be at least 55 mu s. An experiment to investigate the structure of these dianions is also described. (C) 1996 American Institute of Physics. [References: 11]