Formation of local thorium silicate compound by electrochemical deposition from an acetone solution of thorium nitrate

Borisyuk, P. V.; Vasilyev, O. S.; Krasavin, А. V.; Lebedinskiǐ, Yu. Yu.; Troyan, V. I.; Chubunova, E. V.; Derevyashkin, S. P.

doi:10.1007/s10971-016-4267-x

Cited by 2 publications

(1 citation statement)

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“…Subsequently, the ions are implanted into a SiO 2 surface, which is expected to provide a sufficiently large band-gap to suppress the isomer's internal conversion decay channel. Thorium-oxide coatings on a SiO 2 surface were investigated as a substrate for observing the isomer's radiative decay and for the development of a solid-state nuclear clock in [32,33,35,40,381,384,385]. In 2018, laserplasma excitation of the isomeric state was reported, together with a determination of the isomer's excitation energy to 7.1 ± 0.1 eV and a value for the isomer's radiative half-life of 1880 ± 170 s [43] (see also [44,203]).…”

Section: Population Via Nuclear Excitation By Electron Capturementioning

confidence: 99%

The $$^{229}$$Th isomer: prospects for a nuclear optical clock

Wense

2020

Eur. Phys. J. A

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The proposal for the development of a nuclear optical clock has triggered a multitude of experimental and theoretical studies. In particular the prediction of an unprecedented systematic frequency uncertainty of about $$10^{-19}$$ 10 - 19 has rendered a nuclear clock an interesting tool for many applications, potentially even for a re-definition of the second. The focus of the corresponding research is a nuclear transition of the $$^{229}$$ 229 Th nucleus, which possesses a uniquely low nuclear excitation energy of only $$8.12\pm 0.11$$ 8.12 ± 0.11 eV ($$152.7\pm 2.1$$ 152.7 ± 2.1 nm). This energy is sufficiently low to allow for nuclear laser spectroscopy, an inherent requirement for a nuclear clock. Recently, some significant progress toward the development of a nuclear frequency standard has been made and by today there is no doubt that a nuclear clock will become reality, most likely not even in the too far future. Here we present a comprehensive review of the current status of nuclear clock development with the objective of providing a rather complete list of literature related to the topic, which could serve as a reference for future investigations.

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