Recent results on the interaction of slow few-electron high Z ions with solids
Conference
·
OSTI ID:199783
- Lawrence Livermore National Lab., CA (United States)
A brief review is presented of the recent results from studies of the interaction of slow (ca. keV/u) few electron high Z ions (e.g. to Kr{sup 34+}, Xe{sup 50+}, Th{sup 80+}) with metallic and insulating solid surfaces and near surface regions, using the extracted ion facility of the electron beam ion trap (EBIT) at L.L.N.L., with its newly developed UHV surface preparation and analysis capabilities. This system is of considerable interest due to its extreme non-equilibrium nature. The formation and decay of highly inverted {open_quotes}hollow atoms{close_quotes}, both outside and inside the solid are fascinating phenomena. Topics investigated include electron and x-ray emission, nanometer scale surface defect production due to {open_quotes}Coulomb explosions{close_quotes}, charge and neutral secondary particle emission, energy loss and range measurements, as well as charge exchange cross sections (including large cross sections for negative ion production) and image charge modified trajectories in the grazing incidence scattering limit. As a results of such studies, a self consistent view of the interaction dynamics of this exotic ion-solid system is emerging.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 199783
- Report Number(s):
- CONF-941129--
- Country of Publication:
- United States
- Language:
- English
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