Electron spin relaxation, important in quantum information science, can be slowed down at clock transitions — which are insensitive to magnetic noise. It has now been shown that such transitions can be tuned, to high frequency, in rare-earth coordination complexes through control of s- and d-orbital mixing.
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McInnes, E.J.L. Molecular spins clock in. Nat. Chem. 14, 361–362 (2022). https://doi.org/10.1038/s41557-022-00919-y
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DOI: https://doi.org/10.1038/s41557-022-00919-y
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