Assessing the Robustness of the Clock Transition in a Mononuclear S = 1 Ni(II) Complex Spin Qubit

Ni­(II) complexes with an integer spin S = 1 that behave as clock transition spin qubits at zero magnetic field are resilient to magnetic fluctuations of the spin bath, while Co­(II) complexes with a half-integer spin (S = 3/2) lose their coherence when they are subject to the same fluctuating magne...

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Published inJournal of the American Chemical Society Vol. 147; no. 6; pp. 4685 - 4688
Main Authors Tlemsani, Idris, Lambert, François, Suaud, Nicolas, Herrero, Christian, Guillot, Régis, Barra, Anne-Laure, Gambarelli, Serge, Mallah, Talal
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 12.02.2025
Subjects
Americans
Chemical Sciences
Coordination chemistry
design
magnetic fields
or physical chemistry
Theoretical and
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ISSN0002-7863
1520-5126
1520-5126
DOI10.1021/jacs.4c14367

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Summary:Ni­(II) complexes with an integer spin S = 1 that behave as clock transition spin qubits at zero magnetic field are resilient to magnetic fluctuations of the spin bath, while Co­(II) complexes with a half-integer spin (S = 3/2) lose their coherence when they are subject to the same fluctuating magnetic field as the Ni­(II) ones. These findings demonstrate that adequately designed Ni­(II) complexes are excellent candidates for spin qubits.
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ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/jacs.4c14367