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Atoms 2019, 7(1), 10; https://doi.org/10.3390/atoms7010010

Stark Widths of Yb III and Lu IV Spectral Lines

1
Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia
2
Sorbonne Université, Observatoire de Paris, Université PSL, CNRS, LERMA, F-92190 Meudon, France
Current address: Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia.
Received: 2 December 2018 / Revised: 3 January 2019 / Accepted: 4 January 2019 / Published: 10 January 2019
(This article belongs to the Special Issue Atomic and Ionic Collisions with Formation of Quasimolecules)
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Abstract

Rare Earth Elements are important for stellar atmosphere analysis but the corresponding Stark broadening data are scarce. For Yb III and Lu IV theoretical as well as experimental data on Stark broadening parameters of spectral lines are absent in the literature. Using the modified semiempirical method of Dimitrijević and Konjević, we determined Stark widths for four Yb III and four Lu IV transitions, belonging to the erbium isoelectronic sequence. The obtained results are also used to discuss similarities between homologous transitions in the erbium isoelectronic sequence. We note as well that calculated widths will be implemented in the STARK-B database which is also a part of the Virtual Atomic and Molecular Data Center. View Full-Text
Keywords: Stark broadening; line profiles; atomic data Stark broadening; line profiles; atomic data
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Dimitrijević, M.S. Stark Widths of Yb III and Lu IV Spectral Lines. Atoms 2019, 7, 10.

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