Ground-state configurations and unresolved transition arrays in extreme ultraviolet spectra of lanthanide ions

Theoretical ground-state configurations of lanthanide ions calculated with the Cowan suite of codes are presented. Theoretical 4d-4f and 4p-4d spectra of Pd-like to Rb-like lanthanide ions calculated using the relativistic flexible atomic code are also shown. The effects of configuration interaction...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2010-12, Vol.82 (6), Article 062504
Main Authors: Kilbane, D., O’Sullivan, G.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
ATOMIC NUMBER
CHARGED PARTICLES
COMPARATIVE EVALUATIONS
CONFIGURATION
CONFIGURATION INTERACTION
ELEMENTS
EMISSION
ENERGY LEVELS
ENERGY RANGE
EVALUATION
EXTREME ULTRAVIOLET SPECTRA
GROUND STATES
IONS
METALS
RARE EARTHS
RELATIVISTIC RANGE
SPECTRA
ULTRAVIOLET SPECTRA
WAVELENGTHS
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Summary:Theoretical ground-state configurations of lanthanide ions calculated with the Cowan suite of codes are presented. Theoretical 4d-4f and 4p-4d spectra of Pd-like to Rb-like lanthanide ions calculated using the relativistic flexible atomic code are also shown. The effects of configuration interaction are investigated, and the results compare favorably with experiments in which, for increasing nuclear charge, strong emission peaks are observed to move toward shorter wavelength. The application of these strong emitters as extreme ultraviolet radiation sources, a topic of emerging interest, is discussed.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.82.062504