High-resolution LIBS and LIBS-MLIF of REE molecular emission in laser-induced plasma

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Abstract

We accomplished the high-resolution study by LIBS and LIBS-MLIF techniques of molecular emission of REE in LIP to evaluate its suitability for the isotopic shift analysis. The GdO molecular is the best choice for natural isotope analysis by combining its molecular weight and emission spectra. The isotopic shifts depend on the specific vibrational transition and are in the range from tenths to several cm−1. For the artificially induced isotopes, the lightest REE (Sc and Y) may be the optimal candidates.

Original languageEnglish
Article number106667
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume204
DOIs
StatePublished - Jun 2023

Keywords

  • Isotopes
  • LIBS
  • LIBS-MLIF
  • Molecular emission
  • Rare-earth elements

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