MOLAT - Atomic and Molecular Data

(in preparation)

VUV Spectra of Atomic Ions

Lanthanide ions

Eu III

Eu III
Extended analysis of the Eu III spectrum
J.-F Wyart, W.-Ü L. Tchang-Brillet, S. S. Churilov and A.N. Ryabtsev
Astron. & Astrophys. 483, 339-359 (2008)
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Table 5 Spectrum of Eu III :
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Complete table of gA for Eu III (200-900nm) :
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Nd IV
Nd IV
- Energy levels of 4f³ in the Nd³⁺ free ion from emission spectra
  Jean-François Wyart, Ali Meftah, Annick Bachelier, Jocelyne Sinzelle, Wan-Ü Lydia Tchang-Brillet, Norbert Champion, Nissan Spector and Jack Sugar
  J.Phys.B: At. Mol. Opt. Phys. 39, L77-L82 (2006)
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- Analysis of the free ion Nd³⁺ spectrum (Nd IV)
  Jean-François Wyart, Ali Meftah, Wan-Ü Lydia Tchang-Brillet, Norbert Champion, Omar Lamrous, Nissan Spector and Jack Sugar
  J.Phys.B: At. Mol. Opt. Phys.40, 3957-3972 (2007)
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  Table 1. Odd parity energy levels of Nd³⁺ :
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  Table 2. Even parity energy levels of Nd³⁺ :
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  Classified spectral lines of Nd IV :
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- Observation and interpretation of the 5p⁵4f³5d core-excited configuration in triply ionized neodymium Nd3+(NdIV)
  Kamel Arab, Djamel Deghiche, Ali Meftah, Jean-François Wyart, Wan-Ü Lydia Tchang-Brillet, Norbert Champion, Christophe Blaess and Omar Lamrous
  Journal of Quantitative Spectroscopy & Radiative Transfer 229, 145-156 (2019).
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  Table 1. Observed lines identified as the 5p6_4f3 - 5p5_4f3_5d transitions in Nd IV :
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  Table 2. Even-parity energy levels of the 5p5_4f3_5d configuration of Nd3+ :
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Nd V
Nd V
- Spectrum and energy levels of the Nd⁴⁺ free ion (Nd V)
  Ali Meftah, Jean-François Wyart, Jocelyne Sinzelle, Wan-Ü Lydia Tchang-Brillet, Nissan Spector and Jack Sugar
  Phys. Scr. 77, 055302 (2008)
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  Table 1. Even parity levels of Nd⁴⁺ :
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  Table 2. Odd parity levels of Nd⁴⁺ :
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  Table 3. Classified lines of Nd V :
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- Observation of core-excited configuration in four-time ionized neodymium Nd4+ (Nd V) Djamel Deghiche, Ali Meftah, Jean-François Wyart, Norbert Champion, Christophe Blaess and Wan-Ü Lydia Tchang-Brillet,
  Physica Scripta 90 (2015) 095402 (17pp)
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  Table 1. Observed lines identified as the 5p6_4f2 - 5p5_4f2_5d transitions in Nd V :
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  Table 2. Odd-parity energy levels of the 5p5_4f2_5d configuration of Nd4+ :
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Er IV

Er IV
Analysis of the free ion spectrum of Er³⁺ (Er IV) A Meftah, S Ait Mammar, J-F Wyart, W-Ü L Tchang-Brillet, N Champion, C Blaess, D Deghiche and O Lamrous
J. Phys. B: At. Mol. Opt. Phys. 49 (2016) 165002 (19pp)
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Appendix Table 3A Identified lines in Er IV (.pdf)
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Table 1. Odd parity energy levels of the two configurations 4f¹¹ and 4f¹⁰6p of the Er³⁺ ion :
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Table 2. Even parity energy levels of the 4f¹⁰5d configuration of the Er³⁺ ion :
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Table 3A. Identified lines in Er IV (supplementary data to the published article) :
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Tm IV

Tm IV
Observation and interpretation of the Tm³⁺ free ion spectrum
European Physical Journal D 44, 35-45 (2007)
Ali Meftah, Jean-François Wyart, Norbert Champion et Wan-Ü Lydia Tchang-Brillet
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Table 1. Even parity levels of Tm³⁺ :
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Table 2. Odd parity levels of Tm³⁺ :
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Classified lines of Tm IV :
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Yb IV

Yb IV
Extended analysis of the spectrum of triply-ionized Ytterbium (Yb IV) and transition probabilities
J.-F. Wyart, W.-Ü L. Tchang-Brillet, N. Spector, P. Palmeri, P. Quinet and E. Bièmont
Physica Scripta 63, 113-121 (2001)
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Classified lines of Yb IV :
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Energy levels of Yb IV :
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Yb V
Yb V
- Spectrum and energy levels of the Yb⁴⁺ free ion (Yb V) A Meftah, J-F Wyart, W-Ü L Tchang-Brillet, C Blaess and N Champion
  Physica Scripta 88 (2013) 045305 (12pp)
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  Supplementary online data (.pdf)
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  Table 1 Even parity energy levels of the two configurations 4f¹² and 4f¹¹6p of the Yb⁴⁺ ion
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  Table 2 Odd parity energy levels of the two configurations 4f¹¹5d and 4f¹¹6s of the Yb⁴⁺ ion
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  Table 3 Classified lines in Yb V (supplementary data to the published article, ASCII file)
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Actinides

SELECTED CONSTANTS, ENERGY LEVELS AND ATOMIC SPECTRA OF ACTINIDES( Laboratoire Aimé-Cotton)

Transition metal ions

Mn IV

Mn IV
   The 3d⁴ - 3d³4p Transitions of Triply Ionized Manganese (MnIV)
   W.-Ü L. Tchang-Brillet, M.-C. Artru, J.-F. Wyart,
   Physica Scripta, 33, 390-400 (1986)
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Fe V

Fe V
   Determination of the 3d³4d and 3d³5s configurations of Fe V
   V.I. Azarov, W.-Ü L. Tchang-Brillet, J.-F. Wyart, F. Launay and M. Benharrous
   Physica Scripta 63, 438- 461 (2001)
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Ta III

Ta III
   The third spectrum of tantalum (Ta III)
   V.I. Azarov, W.-Ü L. Tchang-Brillet , J.-F. Wyart and F.G. Meijer
   Physica Scripta 67, 190, (2003)
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Os IV

Os IV
   Analysis of the spectrum of the (5d⁵ + 5d6s) - (5d⁴6p + 5d³6s6p) system of three time ionized osmium (Os IV)
   A.N. Ryabtsev, A.J.J. Raassen, W.-Ü L. Tchang-Brillet, Y.N. Joshi, P.H.M. Uylings and V.I. Azarov,
   Physica Scripta 57, 82-108, 1998
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Os VI

Os VI
   Analysis of the spectrum of five time ionized osmium (Os VI)
   A.J.J. Raassen, V.I. Azarov, P.H.M. Uylings, Y.N. Joshi, W.-Ü L. Tchang-Brillet
   and A.N. Ryabtsev, Physica Scripta 54, 56-67, 1996
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Au III

Au III
Extended analysis of the spectrum of doubly ionized gold (Au III), J.-F. Wyart, Y. N. Joshi,
W.-Ü L. Tchang- Brillet and A.J.J. Raassen, Physica Scripta 53, 174-196, 1996
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Au IV

Au IV
   Analysis of the (5d⁸+5d⁷6s) - 5d⁷6p Transition Array of Triply-Ionized Gold (Au IV)
   J.-F. Wyart, Y. N. Joshi, A.J.J. Raassen, P.H.M. Uylings and W.-Ü L. Tchang-Brillet
   Physica Scripta 50, 672-695, 1994
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Pd-like ions

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   Revised and extended analyses of the Pd-like Sb VI, Te VII and I VIII ion spectra
   S.S. Churilov, V.I. Azarov, A.N. Ryabtsev, W.-Ü L. Tchang-Brillet and J.-F. Wyart
   Physica Scripta 61, 420-430 (2000)
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   Analysis of the spectra of Pd-like ions from Xe IX through Ce XIII
   S.S. Churilov, A.N. Ryabtsev, W.-Ü L. Tchang-Brillet and J.-F. Wyart
   Physica Scripta 66, 293-307 (2002)
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   Analysis of the spectra of Pd-like praseodymium and neodymium (Pr XIV and Nd XV)
   S.S. Churilov, A.N. Ryabtsev, W.-Ü L. Tchang-Brillet and J.-F. Wyart and Y.N. Joshi
   Physica Scripta 71, 589-598 (2005)
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Last update : 04/04/2022