Daniel A Rehn

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CaF2 crystals 1 defect chemistry 1 density functional theory 1 solid-state nuclear clocks 1 thorium-229 1

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physics.atom-ph2026

Defect assignment of the clock site in $^{229} Th:CaF_{2}$

Daniel A. Rehn, Harry W. T. Morgan, Harris E. Mason +6

The paper reexamines which crystal defect hosts the 229Th nucleus in CaF2, showing that an isolated Th4+ substituting for Ca2+ with two nearby fluoride interstitials best explains…

physics.atom-ph2025

$^{229}$ Th Nuclear Spectroscopy in an Opaque Material: Laser-Based Conversion Electron MÃ¶ssbauer Spectroscopy of $^{229}$ ThO $_{2}$

Ricky Elwell, James E. S. Terhune, Christian Schneider +11

Here, we report the first demonstration of laser-induced conversion electron MÃ¶ssbauer spectroscopy of the $^{229}$ Th nuclear isomeric state, which provides the ability to probe t…

Defect assignment of the clock site in 229Th:CaF2​

229Th Nuclear Spectroscopy in an Opaque Material: Laser-Based Conversion Electron MÃ¶ssbauer Spectroscopy of 229ThO2​

Defect assignment of the clock site in $^{229} Th:CaF_{2}$

$^{229}$ Th Nuclear Spectroscopy in an Opaque Material: Laser-Based Conversion Electron MÃ¶ssbauer Spectroscopy of $^{229}$ ThO $_{2}$