Electronic ground state of Ni 2 +

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title = "Electronic ground state of Ni 2 +",
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.",
author = "V. Zamudio-Bayer and R. Lindblad and C. B{\"u}low and G. Leistner and A. Terasaki and Issendorff, {B. V.} and Lau, {J. T.}",
year = "2016",
month = "11",
day = "21",
doi = "10.1063/1.4967821",
language = "English",
volume = "145",
journal = "Journal of Chemical Physics",
issn = "0021-9606",
publisher = "American Institute of Physics",
number = "19",