Transition wavelengths and unresolved transition array statistics of ions with Z = 72 − 89

Title: Transition wavelengths and unresolved transition array statistics of ions with Z = 72 − 89
Authors: Kilbane, Deirdre
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Date: 28-Aug-2011
Abstract: Potential extreme ultraviolet and soft x-ray radiation sources have been identified, using the flexible atomic code (FAC), as emission peaks arising from the 4d–4f and 4p–4d transitions in Pd-like to Rb-like ions of hafnium through actinium. The effects of configuration interaction are investigated and for increasing nuclear charge, these strong emitters are seen to separate and move to shorter wavelengths. Each source is characterized using the unresolved transition array model. They are proposed to complement the currently used nitrogen and argon sources in the 'water window', and as possible successors to tin in next-generation lithography.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: Institute of Physics
Journal: Journal of Physics B: Atomic, Molecular and Optical Physics
Volume: 44
Issue: 16
Copyright (published version): 2011 IOP Publishing
Keywords: Extreme ultravioletX-ray radiation sources
Subject LCSH: Ultraviolet radiation
DOI: 10.1088/0953-4075/44/16/165006
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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