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Quantum information science

Noncovalent interactions enable optical initialization of spin-based quantum states

Although molecular qubits offer precise, controllable design for quantum information science, their scalability remains a challenge. Now, it has been shown that photoinduced spin polarization can be transferred via hydrogen bonding pathways, enabling the fabrication of 2D arrays of molecular qubits through alternative noncovalent design strategies.

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Fig. 1: Enhanced intersystem crossing and exchange coupling in radical–triplet state dyads.

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Correspondence to Natia L. Frank.

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Ghosh, S., Frank, N.L. Noncovalent interactions enable optical initialization of spin-based quantum states. Nat. Chem. 17, 463–465 (2025). https://doi.org/10.1038/s41557-025-01786-z

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