Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum

Filin, Dmytro; Savukov, Igor Mykhaylovych; Colgan, James Patrick

doi:10.3390/atoms9040096

Title: Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum

Abstract

Recently, there has been increased interest in developing advanced bright sources for lithography. Sn ions are particularly promising due to their bright emission spectrum in the required wavelength range. Cowan’s code has been used to model the emission; however, it has adjustable parameters, which limit its predictive power, and it has limited relativistic treatment. Here, we present calculations based on ab initio relativistic configuration-interaction many-body perturbation theory (CI-MBPT), with relativistic corrections included at the Dirac-Fock level and core-polarization effects with the second-order MBPT. As a proof of principle that the theory is generally applicable to other Sn ions with proper development, we focused on one ion where direct comparison with experimental observations is possible. The theory can also be used for ions of other elements to predict emissions for optimization of plasma-based bright sources.

Authors:

Filin, Dmytro ^[1];

^[1];

^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: 2021-11-22

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Laboratory Directed Research and Development (LDRD) Program

OSTI Identifier:: 1838300

Report Number(s):: LA-UR-21-29646
Journal ID: ISSN 2218-2004; TRN: US2300976

Grant/Contract Number:: 89233218CNA000001

Resource Type:: Accepted Manuscript

Journal Name:: Atoms

Additional Journal Information:: Journal Volume: 9; Journal Issue: 4; Journal ID: ISSN 2218-2004

Publisher:: MDPI

Country of Publication:: United States

Language:: English

Subject:: 74 ATOMIC AND MOLECULAR PHYSICS; CI-MBPT; configuration-interaction many-body perturbation theory; highly charged Sn ions spectra

Citation Formats


                    Filin, Dmytro, Savukov, Igor Mykhaylovych, and Colgan, James Patrick. Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum.  United States: N. p., 2021. 
Web.  doi:10.3390/atoms9040096.

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                    Filin, Dmytro, Savukov, Igor Mykhaylovych, & Colgan, James Patrick. Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum.  United States.  https://doi.org/10.3390/atoms9040096

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                    Filin, Dmytro, Savukov, Igor Mykhaylovych, and Colgan, James Patrick. Mon .  
"Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum".  United States.  https://doi.org/10.3390/atoms9040096.  https://www.osti.gov/servlets/purl/1838300.

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@article{osti_1838300,

  title        = {Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum},

  author       = {Filin, Dmytro and Savukov, Igor Mykhaylovych and Colgan, James Patrick},

  abstractNote = {Recently, there has been increased interest in developing advanced bright sources for lithography. Sn ions are particularly promising due to their bright emission spectrum in the required wavelength range. Cowan’s code has been used to model the emission; however, it has adjustable parameters, which limit its predictive power, and it has limited relativistic treatment. Here, we present calculations based on ab initio relativistic configuration-interaction many-body perturbation theory (CI-MBPT), with relativistic corrections included at the Dirac-Fock level and core-polarization effects with the second-order MBPT. As a proof of principle that the theory is generally applicable to other Sn ions with proper development, we focused on one ion where direct comparison with experimental observations is possible. The theory can also be used for ions of other elements to predict emissions for optimization of plasma-based bright sources.},

  doi          = {10.3390/atoms9040096},

  journal      = {Atoms},

  number       = 4,

  volume       = 9,

  place        = {United States},

  year         = {2021},

  month        = {11}

}

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Works referenced in this record:

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Similar Records

Title: Relativistic Configuration-Interaction and Perturbation Theory Calculations of the Sn XV Emission Spectrum

Abstract

Citation Formats

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Combination of the many-body perturbation theory with the configuration-interaction method journal, November 1996

Configuration-interaction many-body-perturbation-theory energy levels of four-valent Si i journal, February 2015

Atomic structure considerations for the low-temperature opacity of Sn
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Accurate calculations of energies and oscillator strengths for light neon-like ions
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journal, November 2002

Calculation of parity non-conservation in thallium
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journal, February 2016

Prominent radiative contributions from multiply-excited states in laser-produced tin plasma for nanolithography
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Relativistic configuration-interaction perturbation-theory method with application to intercombination and allowed transitions of light Be-like ions
journal, October 2004

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journal, October 1989

Analyses of the Sn IX–Sn XII spectra in the EUV region
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