TY - RPRT TI - Frequency reproducibility of solid-state thorium-229 nuclear clocks AU - Ooi, Tian [University of Colorado, Boulder, CO (United States)] (ORCID:0009000427380186) AU - Doyle, Jack F. [University of Colorado, Boulder, CO (United States)] AU - Zhang, Chuankun [University of Colorado, Boulder, CO (United States)] (ORCID:0000000156699082) AU - Higgins, Jacob S. [University of Colorado, Boulder, CO (United States)] AU - Ye, Jun [University of Colorado, Boulder, CO (United States)] (ORCID:0000000300762112) AU - Beeks, Kjeld [TU Wien, Vienna (Austria)] (ORCID:0000000287076723) AU - Sikorsky, Tomas [TU Wien, Vienna (Austria)] (ORCID:0000000302800928) AU - Schumm, Thorsten [TU Wien, Vienna (Austria)] (ORCID:000000021066202X) PY - 2026 DO - 10.1038/s41586-025-09999-5 UR - https://www.osti.gov/biblio/3376368 ID - 3376368 ER -