Isotopic shift analysis of GdO by LAMIS

M. Gaft, L. Nagli, J. Fernandes, V. Gardette, Y. Raichlin, V. Motto-Ros

Research output: Contribution to journalArticlepeer-review

Abstract

LAMIS is a known technique for isotopic shift analysis of light elements, such as B, C, etc. Its application for heavy molecules has been studied less. We proved that vibrational and rotational transitions A(1–0), A(1–2), and A(2–1) of GdO in Laser-Induced Plasma exhibit apparent differences between natural GdO, 156GdO, and 158GdO emissions. The absolute values are in the 0.4–0.5 cm−1 range. Besides its adequate spectral resolution, the Demon HR Double Echelle Monochromator proved its sensitivity for isotopic analysis of Rare Earth Elements.

Original languageEnglish
Article number106993
JournalSpectrochimica Acta - Part B Atomic Spectroscopy
Volume218
DOIs
StatePublished - Aug 2024

Keywords

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

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