Spectrochimica Acta Part B-Atomic Spectroscopy vol:54 issue:8 pages:1219-1231
We explored the continuum structure of Co I and Ni I near the first ionization limit using one-color and two-color two-step photoionization spectroscopy. The ionization spectra of both elements show a large number of autoionizing features, The use of different excitation schemes involving intermediate states with different angular momentum allowed the assignment of the angular momentum for part of the detected autoionizing states. Several of these states could be identified as members of different Rydberg series. (C) 1999 Elsevier Science B.V. All rights reserved.