Ab-Initio Study of Calcium Fluoride Doped with Heavy Isotopes
نویسندگان
چکیده
Precision laser spectroscopy of the 229-thorium nuclear isomer transition in a solid-state environment would represent significant milestone field metrology, opening door to realization clock. Working toward this goal, experimental methods require knowledge various properties large band-gap material, such as calcium fluoride doped with specific isotopes heavy elements thorium, actinium, cerium, neptunium, and uranium. By accurately determining atomic structure potential charge compensation schemes by using generalized gradient approximation within ab-initio framework density functional theory, calculations electric gradients on dopants become accessible, which cause quadrupole splitting nuclear-level that can be probed experimentally. Band gaps absorption coefficients range are estimated G0W0 method solving Bethe–Salpeter equation.
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ژورنال
عنوان ژورنال: Crystals
سال: 2022
ISSN: ['2073-4352']
DOI: https://doi.org/10.3390/cryst12081128