229ThF4 thin films for solid-state nuclear clocks

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Abstract

After nearly 50 years of searching, the vacuum ultraviolet 229Th nuclear isomeric transition has recently been directly laser excited1,2 and measured with high spectroscopic precision3. Nuclear clocks based on this transition are expected to be more robust4,5 than and may outperform6,7 current optical atomic clocks. These clocks also promise sensitive tests for new physics beyond the standard model5,8–12.

Year of Publication
2024
Date Published
2024/12/01
Journal Title
Nature
Volume
636
Issue
8043
Start Page or Article ID
603-608
ISBN Number
1476-4687
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ThF4 thin film coating