Direct Injection Supersonic Cluster Beam Source for FT-ICR Studies of Clusters
Interim technical rept.
RICE UNIV HOUSTON TX DEPT OF CHEMISTRY
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A miniaturized pulsed supersonic beam source has been developed using laser vaporization of a computer-controlled target disc, producing intense beams of cluster ions with excellent repeatability and control. Due to its small size and narrow pulse width, the entire source is adequately pumped by a single 170 1s turbopump. The resultant vacuum quality permits this source to be attached to a fourier transform ion cyclotron resonance apparatus FT-ICR such that the supersonic cluster ion beam is directly injected. The result is a powerful but simple FT-ICR instrument of wide applicability. The new source is suited as well for a variety of other uses such as molecular beam epitaxy. Keywords Direct injection Supersonic cluster beam source.
- Physical Chemistry
- Radiation and Nuclear Chemistry