Electronic ground state of Ni 2 +

Research output: Contribution to journalArticle

Abstract

The Φ9/24 ground state of the Ni2+ diatomic molecular cation is determined experimentally from temperature and magnetic-field-dependent x-ray magnetic circular dichroism spectroscopy in a cryogenic ion trap, where an electronic and rotational temperature of 7.4±0.2 K was reached by buffer gas cooling of the molecular ion. The contribution of the spin dipole operator to the x-ray magnetic circular dichroism spin sum rule amounts to 7Tz=0.17±0.06μB per atom, approximately 11% of the spin magnetic moment. We find that, in general, homonuclear diatomic molecular cations of 3d transition metals seem to adopt maximum spin magnetic moments in their electronic ground states.

Details

Authors
  • V. Zamudio-Bayer
  • R. Lindblad
  • C. Bülow
  • G. Leistner
  • A. Terasaki
  • B. V. Issendorff
  • J. T. Lau
Organisations
External organisations
  • Helmholtz-Zentrum Berlin for Materials and Energy
  • Albert-Ludwigs University Freiburg
  • Toyota Technological Institute
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Physical Chemistry
Original languageEnglish
Article number194302
JournalJournal of Chemical Physics
Volume145
Issue number19
Publication statusPublished - 2016 Nov 21
Publication categoryResearch
Peer-reviewedYes